Library MCP server

• catalogFree

  List all registries being searched with live status and total server counts.

• checkoutFree

  Detect payment protocol for any MCP server and route to the correct payment execution. Supports x402 (USDC on Base), MPP (Stripe), and prepaid API keys.

• inspectFree

  Get full metadata for any MCP server. Accepts reverse-DNS name, endpoint URL, or plain keyword. Includes payment protocol detection.

• searchFree

  Search MCP servers by server title/name, description, or by the tools they provide. Accepts natural language capability queries like 'send emails', 'search the web', 'create pull requests', or direct server names like 'GitHub' or 'Stripe'. Results are ranked by relevance: title match first, then tool name match, then description. Each result includes the server's tool list so you can confirm it does what you need. Set limit based on the type of request you received: - Prompting (general/exploratory — user is browsing or asking broadly): use 20-30 - Task assignment (user delegated a goal for you to execute autonomously): use 10-15 - Instruction/directive (specific command with a clear target server in mind): use 3-5

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 849ms20/20
• Tool poisoning4 tool descriptions checked15/15
• Auth qualityopen endpoint, read-only tools10/15
• Maintenancerepository not readable: repo not found3/15
• Maintainer identityno repository or website to verify2/10

Safety score

67/100

higher than 25% of 3,470 Web search servers

Tools

4

the typical Web search server has 5

Tools that change things

0%

typical: 0%. Fewer write tools means less an agent can break

Uptime

100%

of our recent checks; the typical remote Web search server answers 100%

Response time

316 ms

faster than 49% of 2,238 Web search servers

Library: common questions

Is Library MCP server safe?

With care: it is graded C, so read the findings first (67/100). Read the Library safety report

How do I install Library?

It runs remotely at librarymcp.vercel.app. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.

Does Library need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Library maintained?

The latest release is v1.1.7.

Is Library up?

100% of our last 28 checks got an answer. We check remote servers about four times a day.

What can I use instead of Library?

Servers from other publishers that do the same job: Zotero MCP server, Jshookmcp MCP server and Sui Knowledge Base (kapa.ai) MCP server.

How does Library compare with other Web search MCP servers?

safety score 67/100 (higher than 25% of 3,470 Web search servers); tools 4 (the typical Web search server has 5); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.