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Library

spacemandomains/library

This is a meta-registry that aggregates 25,000+ MCP servers from the official registry and Glama.ai, exposing them through search, inspect, and catalog tools. You can query by keyword, pull full metadata for any server, and check live status counts across registries. The standout feature is checkout, which detects payment protocols (x402 USDC on Base, MPP via Stripe/AgentCash, or prepaid API keys) and handles autonomous payments. Reach for this when you need programmatic discovery of MCP servers or want Claude to find and connect to tools without manual registry browsing. It's essentially a searchable index with built-in payment execution for paid MCP services.

tools
4
transport
HTTP
last updated
May 18, 2026
View on GitHub

Install

From registry metadata
$ npx add-mcp https://librarymcp.vercel.app/api/mcp --name library-mcp

Run in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport http library-mcp https://librarymcp.vercel.app/api/mcp

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 4 tools

Verified live against the running server on Nov 6, 2026.

searchSearch 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: titl...4 params

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: titl...

Parameters* required
limitnumber
Max total results (default 20, max 50). Use 20-30 for exploratory prompts, 10-15 for delegated tasks, 3-5 for specific directives.default: 20
payment_protocolarray
Filter results to servers using specific payment protocols. x402 queries x402.direct, mpp queries mppscan.com.
query*string
Server name/title (e.g. 'GitHub', 'Stripe') OR a task/capability (e.g. 'send emails', 'search the web', 'create pull requests', 'analyze crypto prices')
sourcesarray
Filter to specific sources: official-registry, glama, mcpso, x402direct, mppscan
inspectGet full metadata for any MCP server. Accepts reverse-DNS name, endpoint URL, or plain keyword. Includes payment protocol detection.1 params

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

Parameters* required
identifier*string
Reverse-DNS name, endpoint URL, or plain keyword
catalogList all registries being searched with live status and total server counts.

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

No parameters. Call it with no arguments.

checkoutDetect payment protocol for any MCP server and route to the correct payment execution. Supports x402 (USDC on Base), MPP (Stripe), and prepaid API keys.5 params

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.

Parameters* required
actionstring
fund | execute | checkone of fund · execute · checkdefault: fund
agent_idstring
Optional identifier for this agent
amountnumber
USD amount to fund if prepaid (default 5)default: 5
endpoint*string
MCP server endpoint URL
payloadobject
Request body for execute action

Sponsors

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Readme

Details

Repository
github.com/spacemandomains/library
Website
librarymcp.vercel.app
Category
Search & Web Crawling
Transport
HTTP
Registry
MCP registry, active
Tools verified
Nov 6, 2026

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