# LCSH MCP Server

> Use this tool when you need to access authoritative subject headings and related terms for information retrieval, cataloging, or metadata enrichment tasks. The LCSH MCP Server allows AI assistants to search the Library of Congress Subject Headings through a simple API interface, providing official subject headings and related terms as output. It is ideal for use cases involving knowledge graph construction, entity disambiguation, or semantic search.

Canonical page: https://skillsregistry.net/skills/kltng-lcsh-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/kltng-lcsh-mcp-server

## Description

Allows AI assistants to search the Library of Congress Subject Headings (LCSH) through a simple API interface, making it easy to query and retrieve official subject headings and related terms.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/nskr8ktblk)
- **Repository:** <https://github.com/kltng/cataloger-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": "kltng-lcsh-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/kltng-lcsh-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/kltng-lcsh-mcp-server/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