ChatGPT

x402 Toolbox for ChatGPT

io.github.mayer-code/x402-toolbox

Free, read-only MCP subset of x402 Toolbox's cheap data endpoints, free via MCP.

client:ChatGPT transport:streamable-http tools:14

Install x402 Toolbox in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://lab.paidapis.net/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs

What ChatGPT can do once it is connected

x402 Toolbox in other clients

x402 Toolbox MCP server