# Conformance

> A framework for testing MCP (Model Context Protocol) client and server implementations against the specification.

## Facts
- Page: https://tashan.sh/capability/pkg-modelcontextprotocol-conformance
- tashan id: pkg:@modelcontextprotocol/conformance
- Source: https://github.com/modelcontextprotocol/conformance
- npm: https://www.npmjs.com/package/@modelcontextprotocol/conformance
- Type: npm
- Category: devtools
- tashan score: 70.0 / 100
- Adoption: 68.0
- Upkeep: 83.0
- Freshness: 55.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 73,858/week
- License: MIT
- Official: yes

## Install

```sh
claude mcp add modelcontextprotocol-conformance -- npx -y @modelcontextprotocol/conformance
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: attested
- Declared permission surface: network

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-09-12 by tashan (https://tashan.sh) from public evidence. Scorer s5.