# Librarian MCP

> Use this tool when you need to enhance AI model accuracy and reduce costs by leveraging pre-curated canonical memory and provenance checking. The Librarian MCP provides benchmark metrics and verifies prose and code origins to improve overall model performance. Ideal for use cases requiring reliable data validation and efficiency optimization across various AI tools and applications.

Canonical page: https://skillsregistry.net/skills/liana-banyan-librarian-mcp  
JSON: https://api.skillsregistry.net/v1/skills/liana-banyan-librarian-mcp

## Description

A Model Context Protocol server providing pre-curated canonical memory, prose/code provenance checking, and benchmark metrics to improve accuracy and reduce costs across AI tools.

## Trust

- **Trust score (0–1):** 0.89
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** monitoring
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/hg0r4m7uyi)
- **Repository:** <https://github.com/liana-banyan/librarian-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "liana-banyan-librarian-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/liana-banyan-librarian-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/liana-banyan-librarian-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt