From 5c0e1e064244b6b026f41fd22f60e8e738dccfa4 Mon Sep 17 00:00:00 2001 From: schoibs Date: Sun, 27 Apr 2025 00:17:42 +0800 Subject: [PATCH 1/4] Initialize mcp plugin implementation --- plugins/mcpPlugin/.gitignore | 3 + plugins/mcpPlugin/README.md | 0 plugins/mcpPlugin/package-lock.json | 1220 +++++++++++++++++++++++++++ plugins/mcpPlugin/package.json | 19 + plugins/mcpPlugin/src/example.ts | 0 plugins/mcpPlugin/src/index.ts | 3 + plugins/mcpPlugin/src/mcpClient.ts | 148 ++++ plugins/mcpPlugin/src/mcpPlugin.ts | 118 +++ plugins/mcpPlugin/tsconfig.json | 113 +++ 9 files changed, 1624 insertions(+) create mode 100644 plugins/mcpPlugin/.gitignore create mode 100644 plugins/mcpPlugin/README.md create mode 100644 plugins/mcpPlugin/package-lock.json create mode 100644 plugins/mcpPlugin/package.json create mode 100644 plugins/mcpPlugin/src/example.ts create mode 100644 plugins/mcpPlugin/src/index.ts create mode 100644 plugins/mcpPlugin/src/mcpClient.ts create mode 100644 plugins/mcpPlugin/src/mcpPlugin.ts create mode 100644 plugins/mcpPlugin/tsconfig.json diff --git a/plugins/mcpPlugin/.gitignore b/plugins/mcpPlugin/.gitignore new file mode 100644 index 00000000..64f046d1 --- /dev/null +++ b/plugins/mcpPlugin/.gitignore @@ -0,0 +1,3 @@ +dist/ +node_modules/ +coverage/ \ No newline at end of file diff --git a/plugins/mcpPlugin/README.md b/plugins/mcpPlugin/README.md new file mode 100644 index 00000000..e69de29b diff --git a/plugins/mcpPlugin/package-lock.json b/plugins/mcpPlugin/package-lock.json new file mode 100644 index 00000000..14bce892 --- /dev/null +++ b/plugins/mcpPlugin/package-lock.json @@ -0,0 +1,1220 @@ +{ + "name": "mcpplugin", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "mcpplugin", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "@modelcontextprotocol/sdk": "^1.10.2", + "@virtuals-protocol/game": "^0.1.14" + }, + "devDependencies": { + "typescript": "^5.8.3" + } + }, 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"description": "", + "devDependencies": { + "typescript": "^5.8.3" + }, + "dependencies": { + "@modelcontextprotocol/sdk": "^1.10.2", + "@virtuals-protocol/game": "^0.1.14" + } +} diff --git a/plugins/mcpPlugin/src/example.ts b/plugins/mcpPlugin/src/example.ts new file mode 100644 index 00000000..e69de29b diff --git a/plugins/mcpPlugin/src/index.ts b/plugins/mcpPlugin/src/index.ts new file mode 100644 index 00000000..7f268942 --- /dev/null +++ b/plugins/mcpPlugin/src/index.ts @@ -0,0 +1,3 @@ +import McpPlugin from "./mcpPlugin"; + +export default McpPlugin; diff --git a/plugins/mcpPlugin/src/mcpClient.ts b/plugins/mcpPlugin/src/mcpClient.ts new file mode 100644 index 00000000..44dd6f4e --- /dev/null +++ b/plugins/mcpPlugin/src/mcpClient.ts @@ -0,0 +1,148 @@ +// import { Anthropic } from "@anthropic-ai/sdk"; +// import { +// MessageParam, +// Tool, +// } from "@anthropic-ai/sdk/resources/messages/messages.mjs"; +import { Client } from "@modelcontextprotocol/sdk/client/index.js"; +import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js"; +// import readline from "readline/promises"; +// import dotenv from "dotenv"; + + +// dotenv.config(); + + +// Example usage +interface IMcpClientOptions { + command: string; + args: string[]; + env: Record; +} + + +class McpClient { + + private command: string; + private args: string[]; + private env: Record; + + private mcp: Client; + private transport: StdioClientTransport | null = null; + + + constructor(options: IMcpClientOptions) { + this.command = options.command; + this.args = options.args; + this.env = options.env; + + this.mcp = new Client({ + name: "mcp-client-cli", + version: "1.0.0" + }); + } + + async connectToServer() { + try { + // this.transport = new StdioClientTransport({ + // command: "/usr/local/bin/docker", + // args: [ + // "run", + // "-i", + // "--rm", + // "-e", + // "BRAVE_API_KEY", + // "mcp/brave-search" + // ], + // env: { + // "BRAVE_API_KEY": "" + // } + // }); + this.transport = new StdioClientTransport({ + command: this.command, + args: this.args, + env: this.env + }); + this.mcp.connect(this.transport); + + // const toolsResult = await this.mcp.listTools(); + + + + } catch (e) { + console.log("Failed to connect to MCP server: ", e); + throw e; + } + } + + async getTools() { + return await this.mcp.listTools(); + } + + async callTool(name: string, args: Record) { + return await this.mcp.callTool({ + name, + arguments: args + }); + } + +// async processQuery(query: string) { +// const messages: MessageParam[] = [ +// { +// role: "user", +// content: query, +// }, +// ]; + +// const response = await this.anthropic.messages.create({ +// model: "claude-3-5-sonnet-20241022", +// max_tokens: 1000, +// messages, +// tools: this.tools, +// }); + +// const finalText = []; +// const toolResults = []; + +// for (const content of response.content) { +// if (content.type === "text") { +// finalText.push(content.text); +// } else if (content.type === "tool_use") { +// const toolName = content.name; +// const toolArgs = content.input as { [x: string]: unknown } | undefined; + +// const result = await this.mcp.callTool({ +// name: toolName, +// arguments: toolArgs, +// }); +// toolResults.push(result); +// finalText.push( +// `[Calling tool ${toolName} with args ${JSON.stringify(toolArgs)}]` +// ); + +// messages.push({ +// role: "user", +// content: result.content as string, +// }); + +// const response = await this.anthropic.messages.create({ +// model: "claude-3-5-sonnet-20241022", +// max_tokens: 1000, +// messages, +// }); + +// finalText.push( +// response.content[0].type === "text" ? response.content[0].text : "" +// ); +// } +// } + +// return finalText.join("\n"); +// } + + async cleanup() { + await this.mcp.close(); + } +} + +export default McpClient; +export type { IMcpClientOptions }; diff --git a/plugins/mcpPlugin/src/mcpPlugin.ts b/plugins/mcpPlugin/src/mcpPlugin.ts new file mode 100644 index 00000000..9d756277 --- /dev/null +++ b/plugins/mcpPlugin/src/mcpPlugin.ts @@ -0,0 +1,118 @@ +import { + GameWorker, + GameFunction, + ExecutableGameFunctionResponse, + ExecutableGameFunctionStatus, +} from "@virtuals-protocol/game"; +import McpClient, { IMcpClientOptions } from "./mcpClient"; + +// Example usage +interface IMcpPluginOptions { + id: string; + name: string; + description: string; + mcpClientConfiguration: IMcpClientOptions; +} + +class McpPlugin { + private id: string; + private name: string; + private description: string; + private mcpClientConfiguration: IMcpClientOptions; + + private mcpClient: McpClient; + // private mcpClientTransport: StdioClientTransport || ; + private mcpFunctions: GameFunction[]; + + constructor(options: IMcpPluginOptions) { + this.id = options.id; + this.name = options.name; + this.description = options.description; + + // Initialize the MCP client + this.mcpClientConfiguration = options.mcpClientConfiguration; + this.mcpClient = new McpClient(this.mcpClientConfiguration); + this.mcpFunctions = []; + + // Populate the MCP functions for this client + this.getMcpFunctions().then(funcs => { + this.mcpFunctions = funcs; + }); + } + + private async getMcpFunctions() { + const toolsResult = await this.mcpClient.getTools(); + + // TODO: Implement error handling + for (const tool of toolsResult.tools) { + + // brave_web_search + const name = tool.name; + // Performs a web search using the Brave Search API, ideal for general queries, news, articles, and online content. + // Use this for broad information gathering, recent events, or when you need diverse web sources. + // Supports pagination, content filtering, and freshness controls. + // Maximum 20 results per request, with offset for pagination. + const description = tool.description; + // { + // type: 'object', + // properties: { + // query: { + // type: 'string', + // description: 'Search query (max 400 chars, 50 words)' + // }, + // count: { + // type: 'number', + // description: 'Number of results (1-20, default 10)', + // default: 10 + // }, + // offset: { + // type: 'number', + // description: 'Pagination offset (max 9, default 0)', + // default: 0 + // } + // }, + // required: [ 'query' ] + // } + const inputSchema = tool.inputSchema; + + // TODO: Fix game args: + // this particular mcp argument is only expecting 1 argument, which is an object with threee properties, + // but we are passing 3 arguments here + const game_args = Object.entries(inputSchema.properties || {}).map(([key, value]: [string, any]) => ({ + name: key, + description: value.description || '', + type: value.type || 'string' + })); + + this.mcpFunctions.push(new GameFunction({ + name: name as string, + description: description as string, + args: game_args, + // TODO: Implement the executable function + executable: async (args: Record, logger) => { + return new ExecutableGameFunctionResponse( + ExecutableGameFunctionStatus.Done, + "Done" + ); + } + })); + } + + return this.mcpFunctions; + } + + public getWorker(data: { + getEnvironment?: () => Promise>; + }): GameWorker { + return new GameWorker({ + id: this.id, + name: this.name, + description: this.description, + functions: this.mcpFunctions, + getEnvironment: data?.getEnvironment, + }); + } + +} + +export default McpPlugin; \ No newline at end of file diff --git a/plugins/mcpPlugin/tsconfig.json b/plugins/mcpPlugin/tsconfig.json new file mode 100644 index 00000000..979e10ec --- /dev/null +++ b/plugins/mcpPlugin/tsconfig.json @@ -0,0 +1,113 @@ +{ + "compilerOptions": { + /* Visit https://aka.ms/tsconfig to read more about this file */ + + /* Projects */ + // "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */ + // "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */ + // "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */ + // "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */ + // "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */ + // "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */ + + /* Language and Environment */ + "target": "es2017", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */ + "lib": ["es2017", "dom"], + // "jsx": "preserve", /* Specify what JSX code is generated. */ + // "libReplacement": true, /* Enable lib replacement. */ + // "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */ + // "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */ + // "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */ + // "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */ + // "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */ + // "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */ + // "noLib": true, /* Disable including any library files, including the default lib.d.ts. */ + // "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */ + // "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */ + + /* Modules */ + "module": "commonjs", /* Specify what module code is generated. */ + // "rootDir": "./", /* Specify the root folder within your source files. */ + // "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */ + // "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */ + // "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */ + // "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */ + // "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */ + // "types": [], /* Specify type package names to be included without being referenced in a source file. */ + // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ + // "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */ + // "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */ + // "rewriteRelativeImportExtensions": true, /* Rewrite '.ts', '.tsx', '.mts', and '.cts' file extensions in relative import paths to their JavaScript equivalent in output files. */ + // "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */ + // "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */ + // "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */ + // "noUncheckedSideEffectImports": true, /* Check side effect imports. */ + // "resolveJsonModule": true, /* Enable importing .json files. */ + // "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */ + // "noResolve": true, /* Disallow 'import's, 'require's or ''s from expanding the number of files TypeScript should add to a project. */ + + /* JavaScript Support */ + // "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */ + // "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */ + // "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */ + + /* Emit */ + // "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */ + // "declarationMap": true, /* Create sourcemaps for d.ts files. */ + // "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */ + // "sourceMap": true, /* Create source map files for emitted JavaScript files. */ + // "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */ + // "noEmit": true, /* Disable emitting files from a compilation. */ + // "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */ + // "outDir": "./", /* Specify an output folder for all emitted files. */ + // "removeComments": true, /* Disable emitting comments. */ + // "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */ + // "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */ + // "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */ + // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ + // "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */ + // "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */ + // "newLine": "crlf", /* Set the newline character for emitting files. */ + // "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */ + // "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */ + // "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */ + // "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */ + // "declarationDir": "./", /* Specify the output directory for generated declaration files. */ + + /* Interop Constraints */ + // "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */ + // "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */ + // "isolatedDeclarations": true, /* Require sufficient annotation on exports so other tools can trivially generate declaration files. */ + // "erasableSyntaxOnly": true, /* Do not allow runtime constructs that are not part of ECMAScript. */ + // "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */ + "esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */ + // "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */ + "forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */ + + /* Type Checking */ + "strict": true, /* Enable all strict type-checking options. */ + // "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */ + // "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */ + // "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */ + // "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */ + // "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */ + // "strictBuiltinIteratorReturn": true, /* Built-in iterators are instantiated with a 'TReturn' type of 'undefined' instead of 'any'. */ + // "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */ + // "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */ + // "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */ + // "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */ + // "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */ + // "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */ + // "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */ + // "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */ + // "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */ + // "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */ + // "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */ + // "allowUnusedLabels": true, /* Disable error reporting for unused labels. */ + // "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */ + + /* Completeness */ + // "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */ + "skipLibCheck": true /* Skip type checking all .d.ts files. */ + } +} From dba114dcf120e348dfe02a53eb596a2a47f9f975 Mon Sep 17 00:00:00 2001 From: schoibs Date: Sun, 27 Apr 2025 22:12:38 +0800 Subject: [PATCH 2/4] Implement executable function for GameFunction of MCP plugin --- plugins/mcpPlugin/src/example.ts | 48 ++++++++++++++++++ plugins/mcpPlugin/src/mcpClient.ts | 78 ++---------------------------- plugins/mcpPlugin/src/mcpPlugin.ts | 55 +++++++++++++++------ 3 files changed, 93 insertions(+), 88 deletions(-) diff --git a/plugins/mcpPlugin/src/example.ts b/plugins/mcpPlugin/src/example.ts index e69de29b..2318dd37 100644 --- a/plugins/mcpPlugin/src/example.ts +++ b/plugins/mcpPlugin/src/example.ts @@ -0,0 +1,48 @@ +import { GameAgent } from "@virtuals-protocol/game"; +import McpPlugin from "./mcpPlugin"; + +// Create a worker with the functions +const braveMcpPlugin = new McpPlugin({ + id: "brave_mcp_worker", + name: "Brave MCP Worker", + description: "A worker that acts as a MCP client for Brave Browser. It can executes perform a web search using the Brave Search API.", + mcpClientConfiguration: { + "command": "/usr/local/bin/docker", + "args": [ + "run", + "-i", + "--rm", + "-e", + "BRAVE_API_KEY", + "mcp/brave-search" + ], + "env": { + "BRAVE_API_KEY": "" + } + }, +}); + +const createAgent = async () => { + const agent = new GameAgent("", { + name: "Web Search Bot", + goal: "A bot that will search the web for information.", + description: "This agent will constantly search the web for information.", + workers: [ + await braveMcpPlugin.getWorker(), + ], + }); + + agent.setLogger((agent, message) => { + console.log(`-----[${agent.name}]-----`); + console.log(message); + console.log("\n"); + }); + + await agent.init(); + // Run the agent for with 60 seconds interval + // this will stop when agent decides to wait + await agent.run(5, { verbose: true }); +}; + +createAgent(); + diff --git a/plugins/mcpPlugin/src/mcpClient.ts b/plugins/mcpPlugin/src/mcpClient.ts index 44dd6f4e..a693882d 100644 --- a/plugins/mcpPlugin/src/mcpClient.ts +++ b/plugins/mcpPlugin/src/mcpClient.ts @@ -39,35 +39,19 @@ class McpClient { name: "mcp-client-cli", version: "1.0.0" }); + + this.connectToServer(); } async connectToServer() { try { - // this.transport = new StdioClientTransport({ - // command: "/usr/local/bin/docker", - // args: [ - // "run", - // "-i", - // "--rm", - // "-e", - // "BRAVE_API_KEY", - // "mcp/brave-search" - // ], - // env: { - // "BRAVE_API_KEY": "" - // } - // }); this.transport = new StdioClientTransport({ command: this.command, args: this.args, env: this.env }); - this.mcp.connect(this.transport); - - // const toolsResult = await this.mcp.listTools(); + this.mcp.connect(this.transport); - - } catch (e) { console.log("Failed to connect to MCP server: ", e); throw e; @@ -75,70 +59,18 @@ class McpClient { } async getTools() { + // TODO: Implement error handling return await this.mcp.listTools(); } async callTool(name: string, args: Record) { + // TODO: Implement error handling return await this.mcp.callTool({ name, arguments: args }); } -// async processQuery(query: string) { -// const messages: MessageParam[] = [ -// { -// role: "user", -// content: query, -// }, -// ]; - -// const response = await this.anthropic.messages.create({ -// model: "claude-3-5-sonnet-20241022", -// max_tokens: 1000, -// messages, -// tools: this.tools, -// }); - -// const finalText = []; -// const toolResults = []; - -// for (const content of response.content) { -// if (content.type === "text") { -// finalText.push(content.text); -// } else if (content.type === "tool_use") { -// const toolName = content.name; -// const toolArgs = content.input as { [x: string]: unknown } | undefined; - -// const result = await this.mcp.callTool({ -// name: toolName, -// arguments: toolArgs, -// }); -// toolResults.push(result); -// finalText.push( -// `[Calling tool ${toolName} with args ${JSON.stringify(toolArgs)}]` -// ); - -// messages.push({ -// role: "user", -// content: result.content as string, -// }); - -// const response = await this.anthropic.messages.create({ -// model: "claude-3-5-sonnet-20241022", -// max_tokens: 1000, -// messages, -// }); - -// finalText.push( -// response.content[0].type === "text" ? response.content[0].text : "" -// ); -// } -// } - -// return finalText.join("\n"); -// } - async cleanup() { await this.mcp.close(); } diff --git a/plugins/mcpPlugin/src/mcpPlugin.ts b/plugins/mcpPlugin/src/mcpPlugin.ts index 9d756277..0ad38140 100644 --- a/plugins/mcpPlugin/src/mcpPlugin.ts +++ b/plugins/mcpPlugin/src/mcpPlugin.ts @@ -21,8 +21,10 @@ class McpPlugin { private mcpClientConfiguration: IMcpClientOptions; private mcpClient: McpClient; + // TODO: To see if other transport options other than StdioClientTransport // private mcpClientTransport: StdioClientTransport || ; private mcpFunctions: GameFunction[]; + private mcpFunctionsInitializationPromise: Promise | null = null; constructor(options: IMcpPluginOptions) { this.id = options.id; @@ -33,11 +35,16 @@ class McpPlugin { this.mcpClientConfiguration = options.mcpClientConfiguration; this.mcpClient = new McpClient(this.mcpClientConfiguration); this.mcpFunctions = []; - - // Populate the MCP functions for this client - this.getMcpFunctions().then(funcs => { - this.mcpFunctions = funcs; - }); + this.mcpFunctionsInitializationPromise = this.initializeMcpFunctions(); + } + + private async initializeMcpFunctions() { + try { + this.mcpFunctions = await this.getMcpFunctions(); + } catch (e) { + console.error('Failed to initialize MCP functions:', e); + throw e; // Re-throw to handle in getWorker + } } private async getMcpFunctions() { @@ -47,12 +54,12 @@ class McpPlugin { for (const tool of toolsResult.tools) { // brave_web_search - const name = tool.name; + const toolName = tool.name; // Performs a web search using the Brave Search API, ideal for general queries, news, articles, and online content. // Use this for broad information gathering, recent events, or when you need diverse web sources. // Supports pagination, content filtering, and freshness controls. // Maximum 20 results per request, with offset for pagination. - const description = tool.description; + const toolDescription = tool.description; // { // type: 'object', // properties: { @@ -73,26 +80,33 @@ class McpPlugin { // }, // required: [ 'query' ] // } - const inputSchema = tool.inputSchema; + const toolInputSchema = tool.inputSchema; // TODO: Fix game args: - // this particular mcp argument is only expecting 1 argument, which is an object with threee properties, + // this particular mcp argument is only expecting 1 argument, which is an object with three properties, // but we are passing 3 arguments here - const game_args = Object.entries(inputSchema.properties || {}).map(([key, value]: [string, any]) => ({ + const game_args = Object.entries(toolInputSchema.properties || {}).map(([key, value]: [string, any]) => ({ name: key, description: value.description || '', type: value.type || 'string' })); this.mcpFunctions.push(new GameFunction({ - name: name as string, - description: description as string, + name: toolName as string, + description: toolDescription as string, args: game_args, // TODO: Implement the executable function executable: async (args: Record, logger) => { + + const result = await this.mcpClient.callTool( + toolName, + args + ); + + console.log(result); return new ExecutableGameFunctionResponse( ExecutableGameFunctionStatus.Done, - "Done" + `MCP server ${this.name}: ${toolName} executed successfully.` ); } })); @@ -101,9 +115,20 @@ class McpPlugin { return this.mcpFunctions; } - public getWorker(data: { + public async getWorker(data?: { getEnvironment?: () => Promise>; - }): GameWorker { + }): Promise { + // TODO: Clean up this Cursor slop + // ensure initialization is complete + if (this.mcpFunctionsInitializationPromise) { + try { + await this.mcpFunctionsInitializationPromise; + } catch (error: unknown) { + const errorMessage = error instanceof Error ? error.message : 'Unknown error'; + throw new Error(`Failed to initialize MCP functions: ${errorMessage}`); + } + } + return new GameWorker({ id: this.id, name: this.name, From 009676af5347728eb0b84930fa35a8b13cfa73b3 Mon Sep 17 00:00:00 2001 From: schoibs Date: Sun, 27 Apr 2025 22:26:06 +0800 Subject: [PATCH 3/4] Edit README briefly --- plugins/mcpPlugin/README.md | 5 +++++ plugins/mcpPlugin/src/example.ts | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/plugins/mcpPlugin/README.md b/plugins/mcpPlugin/README.md index e69de29b..68355451 100644 --- a/plugins/mcpPlugin/README.md +++ b/plugins/mcpPlugin/README.md @@ -0,0 +1,5 @@ +# MCP Plugin for Virtuals Game + +This plugin enables your GAME agent to host MCP Clients that communicates directly with MCP servers. With this plugin, you can now integrate tools from any MCP server of your choice into your GAME agent's capabilities. + + diff --git a/plugins/mcpPlugin/src/example.ts b/plugins/mcpPlugin/src/example.ts index 2318dd37..70b5bffb 100644 --- a/plugins/mcpPlugin/src/example.ts +++ b/plugins/mcpPlugin/src/example.ts @@ -41,7 +41,7 @@ const createAgent = async () => { await agent.init(); // Run the agent for with 60 seconds interval // this will stop when agent decides to wait - await agent.run(5, { verbose: true }); + await agent.run(20, { verbose: true }); }; createAgent(); From 4880b8a88727a54aac9d6f0da64dc06aada80940 Mon Sep 17 00:00:00 2001 From: schoibs Date: Fri, 2 May 2025 14:46:29 +0800 Subject: [PATCH 4/4] Rewrite calling of getMcpFunctions --- plugins/mcpPlugin/package-lock.json | 192 +++++++++++++++++++++++++++- plugins/mcpPlugin/package.json | 4 +- plugins/mcpPlugin/src/example.ts | 9 +- plugins/mcpPlugin/src/mcpClient.ts | 21 +-- plugins/mcpPlugin/src/mcpPlugin.ts | 49 ++----- 5 files changed, 218 insertions(+), 57 deletions(-) diff --git a/plugins/mcpPlugin/package-lock.json b/plugins/mcpPlugin/package-lock.json index 14bce892..d57b48c9 100644 --- a/plugins/mcpPlugin/package-lock.json +++ b/plugins/mcpPlugin/package-lock.json @@ -10,12 +10,51 @@ "license": "ISC", "dependencies": { "@modelcontextprotocol/sdk": "^1.10.2", - "@virtuals-protocol/game": "^0.1.14" + "@virtuals-protocol/game": "^0.1.14", + "dotenv": "^16.5.0", + "ts-node": "^10.9.2" }, "devDependencies": { "typescript": "^5.8.3" } }, + "node_modules/@cspotcode/source-map-support": { + "version": "0.8.1", + "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz", + "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==", + "license": "MIT", + "dependencies": { + "@jridgewell/trace-mapping": "0.3.9" + }, + "engines": { + "node": ">=12" + } + }, + "node_modules/@jridgewell/resolve-uri": { + "version": "3.1.2", + "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz", + "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==", + "license": "MIT", + "engines": { + "node": ">=6.0.0" + } + }, + "node_modules/@jridgewell/sourcemap-codec": { + "version": "1.5.0", + "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.0.tgz", + "integrity": "sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ==", + "license": "MIT" + }, + "node_modules/@jridgewell/trace-mapping": { + "version": "0.3.9", + "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz", + "integrity": "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==", + "license": "MIT", + "dependencies": { + "@jridgewell/resolve-uri": "^3.0.3", + "@jridgewell/sourcemap-codec": "^1.4.10" + } + }, "node_modules/@modelcontextprotocol/sdk": { "version": "1.10.2", "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.10.2.tgz", @@ -37,6 +76,40 @@ "node": ">=18" } }, + "node_modules/@tsconfig/node10": { + "version": "1.0.11", + "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.11.tgz", + "integrity": "sha512-DcRjDCujK/kCk/cUe8Xz8ZSpm8mS3mNNpta+jGCA6USEDfktlNvm1+IuZ9eTcDbNk41BHwpHHeW+N1lKCz4zOw==", + "license": "MIT" + }, + "node_modules/@tsconfig/node12": { + "version": "1.0.11", + "resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.11.tgz", + "integrity": "sha512-cqefuRsh12pWyGsIoBKJA9luFu3mRxCA+ORZvA4ktLSzIuCUtWVxGIuXigEwO5/ywWFMZ2QEGKWvkZG1zDMTag==", + "license": "MIT" + }, + "node_modules/@tsconfig/node14": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.3.tgz", + "integrity": "sha512-ysT8mhdixWK6Hw3i1V2AeRqZ5WfXg1G43mqoYlM2nc6388Fq5jcXyr5mRsqViLx/GJYdoL0bfXD8nmF+Zn/Iow==", + "license": "MIT" + }, + "node_modules/@tsconfig/node16": { + "version": "1.0.4", + "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.4.tgz", + "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==", + "license": "MIT" + }, + "node_modules/@types/node": { + "version": "22.15.3", + "resolved": "https://registry.npmjs.org/@types/node/-/node-22.15.3.tgz", + "integrity": "sha512-lX7HFZeHf4QG/J7tBZqrCAXwz9J5RD56Y6MpP0eJkka8p+K0RY/yBTW7CYFJ4VGCclxqOLKmiGP5juQc6MKgcw==", + "license": "MIT", + "peer": true, + "dependencies": { + "undici-types": "~6.21.0" + } + }, "node_modules/@virtuals-protocol/game": { "version": "0.1.14", "resolved": "https://registry.npmjs.org/@virtuals-protocol/game/-/game-0.1.14.tgz", @@ -81,6 +154,36 @@ "node": ">= 0.6" } }, + "node_modules/acorn": { + "version": "8.14.1", + "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.14.1.tgz", + "integrity": 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{ + "version": "1.1.1", + "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz", + "integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==", + "license": "MIT" + }, "node_modules/cross-spawn": { "version": "7.0.6", "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz", @@ -269,6 +378,15 @@ "node": ">= 0.8" } }, + "node_modules/diff": { + "version": "4.0.2", + "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz", + "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==", + "license": "BSD-3-Clause", + "engines": { + "node": ">=0.3.1" + } + }, "node_modules/dotenv": { "version": "16.5.0", "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.5.0.tgz", @@ -691,6 +809,12 @@ "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==", "license": "ISC" }, + 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"diff": "^4.0.1", + "make-error": "^1.1.1", + "v8-compile-cache-lib": "^3.0.1", + "yn": "3.1.1" + }, + "bin": { + "ts-node": "dist/bin.js", + "ts-node-cwd": "dist/bin-cwd.js", + "ts-node-esm": "dist/bin-esm.js", + "ts-node-script": "dist/bin-script.js", + "ts-node-transpile-only": "dist/bin-transpile.js", + "ts-script": "dist/bin-script-deprecated.js" + }, + "peerDependencies": { + "@swc/core": ">=1.2.50", + "@swc/wasm": ">=1.2.50", + "@types/node": "*", + "typescript": ">=2.7" + }, + "peerDependenciesMeta": { + "@swc/core": { + "optional": true + }, + "@swc/wasm": { + "optional": true + } + } + }, "node_modules/type-is": { "version": "2.0.1", "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.1.tgz", @@ -1149,7 +1316,6 @@ "version": "5.8.3", "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz", "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==", - "dev": true, "license": "Apache-2.0", "bin": { "tsc": "bin/tsc", @@ -1159,6 +1325,13 @@ "node": ">=14.17" } }, + "node_modules/undici-types": { + "version": "6.21.0", + "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz", + "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==", + "license": "MIT", + "peer": true + }, "node_modules/unpipe": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", @@ -1168,6 +1341,12 @@ "node": ">= 0.8" } }, + "node_modules/v8-compile-cache-lib": { + "version": "3.0.1", + "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz", + "integrity": "sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==", + "license": "MIT" + }, "node_modules/vary": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", @@ -1198,6 +1377,15 @@ "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==", "license": "ISC" }, + "node_modules/yn": { + "version": "3.1.1", + "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz", + "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==", + "license": "MIT", + "engines": { + "node": ">=6" + } + }, "node_modules/zod": { "version": "3.24.3", "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.3.tgz", diff --git a/plugins/mcpPlugin/package.json b/plugins/mcpPlugin/package.json index 8507aaae..e6a37910 100644 --- a/plugins/mcpPlugin/package.json +++ b/plugins/mcpPlugin/package.json @@ -14,6 +14,8 @@ }, "dependencies": { "@modelcontextprotocol/sdk": "^1.10.2", - "@virtuals-protocol/game": "^0.1.14" + "@virtuals-protocol/game": "^0.1.14", + "dotenv": "^16.5.0", + "ts-node": "^10.9.2" } } diff --git a/plugins/mcpPlugin/src/example.ts b/plugins/mcpPlugin/src/example.ts index 70b5bffb..441b5ded 100644 --- a/plugins/mcpPlugin/src/example.ts +++ b/plugins/mcpPlugin/src/example.ts @@ -1,5 +1,10 @@ import { GameAgent } from "@virtuals-protocol/game"; import McpPlugin from "./mcpPlugin"; +import dotenv from 'dotenv'; + + +dotenv.config(); + // Create a worker with the functions const braveMcpPlugin = new McpPlugin({ @@ -17,13 +22,13 @@ const braveMcpPlugin = new McpPlugin({ "mcp/brave-search" ], "env": { - "BRAVE_API_KEY": "" + "BRAVE_API_KEY": process.env.BRAVE_API_KEY as string } }, }); const createAgent = async () => { - const agent = new GameAgent("", { + const agent = new GameAgent(process.env.GAME_API_KEY as string, { name: "Web Search Bot", goal: "A bot that will search the web for information.", description: "This agent will constantly search the web for information.", diff --git a/plugins/mcpPlugin/src/mcpClient.ts b/plugins/mcpPlugin/src/mcpClient.ts index a693882d..94de1b5c 100644 --- a/plugins/mcpPlugin/src/mcpClient.ts +++ b/plugins/mcpPlugin/src/mcpClient.ts @@ -1,18 +1,8 @@ -// import { Anthropic } from "@anthropic-ai/sdk"; -// import { -// MessageParam, -// Tool, -// } from "@anthropic-ai/sdk/resources/messages/messages.mjs"; import { Client } from "@modelcontextprotocol/sdk/client/index.js"; import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js"; -// import readline from "readline/promises"; -// import dotenv from "dotenv"; -// dotenv.config(); - -// Example usage interface IMcpClientOptions { command: string; args: string[]; @@ -21,15 +11,13 @@ interface IMcpClientOptions { class McpClient { - private command: string; private args: string[]; private env: Record; - private mcp: Client; private transport: StdioClientTransport | null = null; - + constructor(options: IMcpClientOptions) { this.command = options.command; this.args = options.args; @@ -43,6 +31,7 @@ class McpClient { this.connectToServer(); } + async connectToServer() { try { this.transport = new StdioClientTransport({ @@ -58,11 +47,13 @@ class McpClient { } } - async getTools() { + + async getTools() { // TODO: Implement error handling return await this.mcp.listTools(); } + async callTool(name: string, args: Record) { // TODO: Implement error handling return await this.mcp.callTool({ @@ -71,10 +62,12 @@ class McpClient { }); } + async cleanup() { await this.mcp.close(); } } + export default McpClient; export type { IMcpClientOptions }; diff --git a/plugins/mcpPlugin/src/mcpPlugin.ts b/plugins/mcpPlugin/src/mcpPlugin.ts index 0ad38140..2842d49d 100644 --- a/plugins/mcpPlugin/src/mcpPlugin.ts +++ b/plugins/mcpPlugin/src/mcpPlugin.ts @@ -6,7 +6,8 @@ import { } from "@virtuals-protocol/game"; import McpClient, { IMcpClientOptions } from "./mcpClient"; -// Example usage + + interface IMcpPluginOptions { id: string; name: string; @@ -14,40 +15,22 @@ interface IMcpPluginOptions { mcpClientConfiguration: IMcpClientOptions; } + class McpPlugin { private id: string; private name: string; private description: string; - private mcpClientConfiguration: IMcpClientOptions; - private mcpClient: McpClient; - // TODO: To see if other transport options other than StdioClientTransport - // private mcpClientTransport: StdioClientTransport || ; - private mcpFunctions: GameFunction[]; - private mcpFunctionsInitializationPromise: Promise | null = null; constructor(options: IMcpPluginOptions) { this.id = options.id; this.name = options.name; this.description = options.description; - - // Initialize the MCP client - this.mcpClientConfiguration = options.mcpClientConfiguration; - this.mcpClient = new McpClient(this.mcpClientConfiguration); - this.mcpFunctions = []; - this.mcpFunctionsInitializationPromise = this.initializeMcpFunctions(); + this.mcpClient = new McpClient(options.mcpClientConfiguration); } - private async initializeMcpFunctions() { - try { - this.mcpFunctions = await this.getMcpFunctions(); - } catch (e) { - console.error('Failed to initialize MCP functions:', e); - throw e; // Re-throw to handle in getWorker - } - } - - private async getMcpFunctions() { + private async getMcpFunctions(): Promise[]> { + let mcpFunctions = [] const toolsResult = await this.mcpClient.getTools(); // TODO: Implement error handling @@ -91,7 +74,7 @@ class McpPlugin { type: value.type || 'string' })); - this.mcpFunctions.push(new GameFunction({ + mcpFunctions.push(new GameFunction({ name: toolName as string, description: toolDescription as string, args: game_args, @@ -112,32 +95,22 @@ class McpPlugin { })); } - return this.mcpFunctions; + return mcpFunctions; } public async getWorker(data?: { getEnvironment?: () => Promise>; }): Promise { - // TODO: Clean up this Cursor slop - // ensure initialization is complete - if (this.mcpFunctionsInitializationPromise) { - try { - await this.mcpFunctionsInitializationPromise; - } catch (error: unknown) { - const errorMessage = error instanceof Error ? error.message : 'Unknown error'; - throw new Error(`Failed to initialize MCP functions: ${errorMessage}`); - } - } - return new GameWorker({ id: this.id, name: this.name, description: this.description, - functions: this.mcpFunctions, + functions: await this.getMcpFunctions(), getEnvironment: data?.getEnvironment, }); } } -export default McpPlugin; \ No newline at end of file + +export default McpPlugin;