feat: add skill:// resource templates for Agent Skills discovery#2129
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feat: add skill:// resource templates for Agent Skills discovery#2129SamMorrowDrums wants to merge 1 commit intomainfrom
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Add MCP resource templates that expose Agent Skills (per agentskills.io
spec) from GitHub repositories via the skill:// URI scheme.
Resource templates:
- skill://{owner}/{repo}/{skill_name}/SKILL.md — fetch skill content
- skill://{owner}/{repo}/{skill_name}/_manifest — JSON manifest with
repo:// URIs for each file, composing with existing repo:// resources
Discovery uses the Git Trees API to find SKILL.md files under known
paths (.github/skills/, skills/, .copilot/skills/).
Completions support for owner, repo (reusing existing resolvers), and
skill_name (discovers skills via tree search).
Registered under a new non-default 'skills' toolset. Enable with
--toolsets=skills or --toolsets=default,skills.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Summary
Spike PR adding MCP resource templates that expose Agent Skills from GitHub repositories via the
skill://URI scheme, following the skills-as-resources approach discussed in the MCP Skills Interest Group.Resource Templates
skill://{owner}/{repo}/{skill_name}/SKILL.mdskill://{owner}/{repo}/{skill_name}/_manifestrepo://URIsThe manifest composes with existing
repo://resource templates — each file entry includes a workingrepo://URI that clients can read directly using the already-registered repository content resources.Discovery Conventions
Skills are discovered using the Git Trees API (recursive), matching these directory conventions from the agentskills.io ecosystem:
skills/*/SKILL.mdskills/{namespace}/*/SKILL.mdplugins/*/skills/*/SKILL.md*/SKILL.mdHidden directories (
.github/, etc.) and convention prefixes (skills/,plugins/) are excluded from root-level matching.Completions
Full completions support wired into the
CompletionsHandler:owner/repo— reuses existing resolversskill_name— discovers available skills via tree searchToolset
Registered under a new non-default
skillstoolset. Enable with:Example manifest output
{ "skill": "my-skill", "files": [ {"path": "SKILL.md", "uri": "repo://owner/repo/contents/skills/my-skill/SKILL.md", "size": 256}, {"path": "references/REFERENCE.md", "uri": "repo://owner/repo/contents/skills/my-skill/references/REFERENCE.md", "size": 1024} ] }References