# Hook Conformance

> Audits MCP servers for Claude Code mcptool hook readiness: idempotency, latency, side-effects.

## Facts
- Page: https://tashan.sh/capability/pkg-mcp-hook-conformance
- tashan id: pkg:mcp-hook-conformance
- Source: https://github.com/studiomeyer-io/mcp-hook-conformance
- npm: https://www.npmjs.com/package/mcp-hook-conformance
- Type: npm
- Category: devtools
- tashan score: 43.0 / 100
- Adoption: 27.0
- Upkeep: 52.0
- Freshness: 77.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 84/week
- License: MIT
- Official: no

## Install

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

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

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.