Apiosk Mcp
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
Project A2a
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
Mcp Cli Catalog
An MCP server that publishes CLI tools on your machine for discoverability by LLMs
Agenttoolscollection
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.
Clirank Mcp Server
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
MCP Discovery Server — AI agents discover and invoke 1,444+ monetized tools on the SettleGrid marketplace
Gamebrain Api Clients
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
Cinderwright Api
x402 Discovery Hub. Search engine for the agent economy with 1450+ services indexed. Search by keyword, browse by category, free service submission.
Hyperstore Mcp
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.
Discovery
Discovery is a static application for exploring and installing MCP servers in a simple and transparent way.
X402 Mcp X402node
X402 Mcp is an MCP server on MCP.so — view details, tools, and install instructions.
Settlegrid
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.
Aerostack Mcp
Search and discover 100+ MCP servers, functions, and skills. Semantic search, full tool schemas, per-tool access control. No auth needed for discovery.
Foragex402
Meta-search for x402 agent-payable services -- find paid APIs across every registry
Tani Mcp
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
Skillsindex
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.
Oceanbus
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``