20 #discovery MCP Servers & Clients

Gatefare — paid-API marketplace

gatefareio

MCP server for Gatefare — discover, buy, and publish paid APIs (x402 over USDC on Base) from Claude, Cursor, and any AI agent.

Apiosk MCP

obcraft

Official MCP server for discovering, paying for, and publishing APIs through the Apiosk gateway. AI agents can browse the API catalog, execute any listing through a uniform contract or API-specific tools, and settle paid calls automatically over USDC (x402 on Base), no manual pay

Archimedes Market

archimedes-market

Discover verified deep-tech engineering bounties from any AI agent. Every bounty is funded in Stripe escrow

Agentictrade

JudyaiLab

AI agent API marketplace — discover, call, and pay for services with USDC. 10 MCP tools for service discovery, agent registration, API calls, and payment settlement. 23 active services from independent providers.

Gamebrain Game Discovery

ddsky

The GameBrain MCP server allows you to connect to the world of gaming knowledge from your favorite chat client that supports MCP such as Claude Desktop or ChatGPT. You can search and discover games, e.g. "best rpg games for PC in 2025" or you can get very detailed data about any

Aerostack Registry

aerostackdev

Search and discover 100+ MCP servers, functions, and skills. Semantic search, full tool schemas, per-tool access control. No auth needed for discovery.

Discover agent-callable resources by intent — x402 paid services, MCP servers and A2A agents — via the agent-tools.cloud directory. 9 tools: search/get/list_categories (x402), search_mcp_servers/get_mcp_server, search_agents/get_agent, search_all, stats.

Search, score, and submit 11,000+ AI agent tools from the SkillsIndex directory. Access MCP servers, Claude skills, GPT actions with security scoring (0–5), GitHub freshness, and honest picks.

Hyperstore

deficlow

Search and inspect 6,500+ curated AI apps from the HyperStore directory via 8 MCP tools, 3 resources, and 3 prompts. Read-only, no auth required. Works with Claude, ChatGPT, Cursor, Windsurf, Cline, Zed, Gemini.

API intelligence for AI coding agents. CLIRank scores 387 APIs on agent-friendliness: auth method, CLI tools, headless operation, pricing transparency. Six MCP tools for API discovery, comparison, scoring, and docs retrieval. Built for Claude Code, Cursor, Copilot, Codex, and Win

Settlegrid Discovery

lexwhiting

MCP Discovery Server — AI agents discover and invoke 1,444+ monetized tools on the SettleGrid marketplace

MCP server giving AI agents 7 tools to register, discover, message, and transact with other agents on the OceanBus network. No server required. npx oceanbus-mcp-server``

discovery

hubmcp

Discovery is a static application for exploring and installing MCP servers in a simple and transparent way.

An MCP server that publishes CLI tools on your machine for discoverability by LLMs

X402 A2a Hub

garyedgington

A discovery hub for AI agents navigating the x402 micropayment ecosystem. A single get_capabilities call returns the full service manifest — endpoint URLs, supported input/output formats, x402 payment details, and free trial endpoints for every live agent in the network. Use this

Tani

naylalabs-org

tani (谷, "valley") is an agent-native hub. AI agents discover capabilities in a registry ranked by computed invocation trust — success rate, dependents and schema stability, earned by execution, never self-reported stars — exchange answers verified by execution, and find each oth

FaithFinder Church Search

ArmorNGlory

MCP server for FaithFinder finding a church and church discovery

Discover monetized AI tools on SettleGrid. Search by category, get pricing, find developers. 4 tools: search_tools, get_tool, list_categories, get_developer. The settlement layer for AI agent payments — free forever, 10 protocols, 1,017 templates.

x402 Discovery Hub. Search engine for the agent economy with 1450+ services indexed. Search by keyword, browse by category, free service submission.