# Greenlit Books MCP server

Agent View of the PolicyLayer registry record for Greenlit Books: identity, probed posture, risk grade, and all 5 tools classified. HTML page: https://policylayer.com/tools/com-greenlitbooks-catalog

## Facts

- Server id: `https://greenlitbooks.com/api/mcp`
- Homepage: https://github.com/greenlitbooks/mcp
- Registry record: grade C, identity unverified
- Lifecycle: active
- Auth posture: open
- Rate-limited: no
- Tools: 5 (5 with introspected schema)
- Tool categories present: Read
- Context-window cost: 763 tokens per request — https://policylayer.com/token-cost/com-greenlitbooks-catalog
- Tags: com greenlitbooks catalog
- Record last modified: 2026-08-26T23:35:47.703Z

## Tools (5)

| Tool | Category | Risk | Record |
| --- | --- | --- | --- |
| `find_books_for_topic` | Read | Low | https://policylayer.com/tools/com-greenlitbooks-catalog/find-books-for-topic.md |
| `get_book` | Read | Low | https://policylayer.com/tools/com-greenlitbooks-catalog/get-book.md |
| `get_concept` | Read | Low | https://policylayer.com/tools/com-greenlitbooks-catalog/get-concept.md |
| `get_reading_path` | Read | Low | https://policylayer.com/tools/com-greenlitbooks-catalog/get-reading-path.md |
| `search_greenlit_books` | Read | Low | https://policylayer.com/tools/com-greenlitbooks-catalog/search-greenlit-books.md |

## Tool descriptions

- `find_books_for_topic` — Match a topic or question area (for example: agent reliability, prompt injection, human in the loop, durable execution, when to trust AI) against the catalog's curated topic map. Returns the matching topics with their books, guide, and s…
- `get_book` — The full record for one Greenlit book by slug: metadata, chapter list, word count, free chapter one, Amazon Kindle and paperback links, prices, Kindle Unlimited status, and related reading.
- `get_concept` — Each Greenlit book answers one named question (its concept, for example: the green lie). Returns the concept's question, short answer, and full explanation with its book. If the slug is unknown, returns the list of all concept slugs.
- `get_reading_path` — One Greenlit series with its books in reading order. Use for questions like where to start with Claude Code or what order to read a series in.
- `search_greenlit_books` — Ranked full-text search over a catalog of practical books on working with AI: verification, agent reliability, guardrails, security, governance, agentic coding. Returns scored results with title, description, series, and links. Follow a …

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=com-greenlitbooks-catalog · API: https://policylayer.com/registry/api · Recommended policies for every tool: https://policylayer.com/policies/com-greenlitbooks-catalog