# Protocol Conformance

> MCP conformance test harness. JSON-RPC, OAuth 2.1 PKCE, schemas, smoke, annotations. CLI + lib.

## Facts
- Page: https://tashan.sh/capability/pkg-mcp-protocol-conformance
- tashan id: pkg:mcp-protocol-conformance
- Source: https://github.com/studiomeyer-io/mcp-protocol-conformance
- npm: https://www.npmjs.com/package/mcp-protocol-conformance
- Type: npm
- Category: devtools
- tashan score: 40.0 / 100
- Adoption: 24.0
- Upkeep: 51.0
- Freshness: 74.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 48/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add protocol-conformance -- npx -y mcp-protocol-conformance
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: not attested

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 2026-09-13 by tashan (https://tashan.sh) from public evidence. Scorer s5.