# Toolcairn

> Agent-first MCP server: AI coding agents find, compare, verify, and stack-build the right open-source tools across 35+ registries (npm, PyPI, Cargo, Maven, Go, RubyGems, NuGet, Hex, Composer, and more). Graph-aware ranking + version-aware compatibility in

## Facts
- Page: https://tashan.sh/capability/pkg-neurynae-toolcairn-mcp
- tashan id: pkg:@neurynae/toolcairn-mcp
- Source: https://github.com/neurynae/toolcairn-mcp
- npm: https://www.npmjs.com/package/@neurynae/toolcairn-mcp
- Type: npm
- Category: other
- tashan score: 42.0 / 100
- Adoption: 29.0
- Upkeep: 60.0
- Freshness: 63.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 112/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add neurynae-toolcairn -- npx -y @neurynae/toolcairn-mcp
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: 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.