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copilot-mcp MCP server · F · ToolBench

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copilot-mcp

github.com/VikashLoomba/copilot-mcp

Search, manage, and install Skills and MCP servers for your AI agents.

2026-07-28+STDIO3 tools

37/100

Definition Quality33

Protocol Readiness20

Supportability55

Spec posture

Inferred effective spec 2026-07-28+·current baseline 2026-07-28

Static source inference · medium confidence · detected: Dynamic Client Registration

Deprecated protocol patterns detected

Summary

This is a VSCode extension (not a standalone MCP server) that exposes 3 tools via chat participants. Tools are inferred from VSCode package.json configuration rather than explicit MCP registration. No input schemas are visible in source. Tool descriptions exist in VSCode contributes.commands but are minimal (10-50 chars). No output schemas documented. No parameter type definitions. Error handling not visible. This does not meet MCP server standards, it is a VSCode extension that *integrates* MCP but does not itself implement MCP as a stateless protocol server.

Tools (3)

installwritesource verified35/100

Install an MCP server

searchread onlysource verified33/100

Search for MCP servers to install

showLogsread only30/100

Show Copilot MCP Logs

Issues (7)

CRITICALtool ↗

No input schemas visible. The package.json declares tools as VSCode chat participants with only names and descriptions, no JSON Schema parameter definitions are present for any tool.

searchinstallshowLogs

CRITICALtool-description ↗

Tool descriptions are under 50 characters and lack actionable detail. 'Search for MCP servers to install' (36 chars) does not explain what data is required, what format is returned, or when to use this vs other discovery methods.

searchinstall

CRITICALtool-description ↗

No parameter documentation. Tools accept parameters (implied by 'search for', 'install X') but no schema defines parameter names, types, or ranges. An LLM cannot infer 'does search accept a category filter? a limit? a sort order?'

searchinstall

CRITICALtool ↗

No output schema documented. The tools promise to 'search', 'install', and 'show logs' but do not declare what fields or data structures are returned. LLMs cannot plan chained calls or extract needed fields.

Recommendations

Convert this VSCode extension into a proper MCP server with explicit tool registration (if the goal is to provide an MCP server), or document that it is a VSCode extension that consumes MCP, not an MCP server itself.
For each tool, add a 50-200 character description following the pattern: 'WHAT it does, WHEN to use it, WHAT it returns.' Example for 'search': 'Search a registry of available MCP servers by name, category, or keyword. Returns matching servers with install commands and descriptions. Use this to discover compatible tools before installing.'
Define input schemas with explicit parameter types, descriptions, and constraints. Example for 'search': {"query": {"type": "string", "description": "Search term or keyword (1-100 chars)"}, "category": {"type": "string", "enum": ["database", "browser", "file", "api"], "description": "Filter results by server category"}}.
Document output schemas. Example for 'search': 'Returns array of {name: string, description: string, install_command: string, category: string, url: string}. Max 20 results per call.'
Add error handling with recovery guidance. Example: 'If search returns no results, try a broader query or list all categories with search(query="*"). If install fails, check that the server name is exact, call search() first to verify the name.'
For 'install', clarify scope: does it modify VSCode settings.json? Clone a repo? Run npm install? Add clear pre/post conditions and required permissions.
Add parameter validation descriptions: 'search query must be 1-100 alphanumeric + hyphens; server name must match exactly (case-insensitive).'

Score history

Overall score trend

↓ 8 points across a rubric change (v1 → v2)

37/100

Scored	Grade	Overall	Spec posture	Rubric
2026-09-22	F	37	2026-07-28+	v2
2026-03-09	F	45	-	v1