# Free MCP Core

> Library-form fork of freee/freee-mcp. Exposes the MCP server framework, API client, OpenAPI schema loader, and skill resources as npm library exports for use as a dependency, while preserving upstream CLI binary compatibility.

## Facts
- Page: https://tashan.sh/capability/pkg-free-mcp-core
- tashan id: pkg:free-mcp-core
- Source: https://github.com/chisakiShinichirouToshiyuki/free-mcp-core
- npm: https://www.npmjs.com/package/free-mcp-core
- Type: npm
- Category: devtools
- tashan score: 42.0 / 100
- Adoption: 18.0
- Upkeep: 57.0
- Freshness: 87.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 18/week
- Official: no

## Install

```sh
claude mcp add free-mcp-core -- npx -y free-mcp-core
```

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

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 2026-08-16 by tashan (https://tashan.sh) from public evidence. Scorer s5.