MCP server

Agent Tool Finder

ai.subpay/tool-finder

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Free search over ~50k agent tools: paid x402 APIs and MCP servers. Price, networks, how to call.

Working at last checkVerified publisher: subpay.aiAbout 1,037 tokens per request once connected3 tools

https://subpay.ai/find/mcp

At a glance

Type: MCP server
Publisher: subpay.ai (verified by the MCP Registry)
Status: Working at last check
Tools: 3
Token cost: About 1,037 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http tool-finder https://subpay.ai/find/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.tool-finder]
url = "https://subpay.ai/find/mcp"

Gemini CLI

{"mcpServers":{"tool-finder":{"httpUrl":"https://subpay.ai/find/mcp"}}}

Cursor

{"mcpServers":{"tool-finder":{"url":"https://subpay.ai/find/mcp"}}}

VS Code

{"servers":{"tool-finder":{"type":"http","url":"https://subpay.ai/find/mcp"}}}

Antigravity

agy mcp add tool-finder https://subpay.ai/find/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"tool-finder","server_url":"https://subpay.ai/find/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"tool-finder","server_url":"https://subpay.ai/find/mcp"}

check_payability ~380 tokens
Free. Check whether an x402 endpoint or MCP tool is real, payable and active BEFORE you pay it. Pass a URL; get a 0–100 payability score, the listed price and networks, when the catalog last saw it active, how many of the last 30 days its payment address was paid, on-chain USDC payments and distinct
find_tools ~338 tokens
Free. Free search across public agent-tool catalogs — paid x402 APIs and MCP tools (PayAI's x402 Bazaar) and MCP servers (the official MCP Registry). Describe what you need in plain words; get matching tools with price, payment networks and how to call them. Returns up to 10 matches with kind (x402-
report_unmet_need ~319 tokens
Free. Nothing fits? Say what you needed (free, no personal information): the report_unmet_need MCP tool, or POST https://subpay.ai/api/v1/find/unmet. It decides what gets built next.

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