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payfetch MCP Server

API key required

x402 paying-fetch client for AI agents. Spending caps, approval, receipts. Non-custodial.

To add payfetch to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 10 environment variables, listed below.

BrowserAIDevTools

Install

npx -y @forum-labs/payfetch@1.0.0

Environment variables

PAYFETCH_PRIVATE_KEYSet in your MCP config
PAYFETCH_KEY_FILESet in your MCP config
PAYFETCH_CDP_API_KEY_IDSet in your MCP config
PAYFETCH_CDP_API_KEY_SECRETSet in your MCP config
PAYFETCH_CDP_WALLET_SECRETSet in your MCP config
PAYFETCH_CDP_ACCOUNT_NAMESet in your MCP config
PAYFETCH_DATA_DIRSet in your MCP config
PAYFETCH_TEST_MODESet in your MCP config
PAYFETCH_APPROVERSet in your MCP config
PAYFETCH_VIASet in your MCP config

Install with your client

Terminal
claude mcp add payfetch --env PAYFETCH_PRIVATE_KEY=<YOUR_PAYFETCH_PRIVATE_KEY> --env PAYFETCH_KEY_FILE=<YOUR_PAYFETCH_KEY_FILE> --env PAYFETCH_CDP_API_KEY_ID=<YOUR_PAYFETCH_CDP_API_KEY_ID> --env PAYFETCH_CDP_API_KEY_SECRET=<YOUR_PAYFETCH_CDP_API_KEY_SECRET> --env PAYFETCH_CDP_WALLET_SECRET=<YOUR_PAYFETCH_CDP_WALLET_SECRET> --env PAYFETCH_CDP_ACCOUNT_NAME=<YOUR_PAYFETCH_CDP_ACCOUNT_NAME> --env PAYFETCH_DATA_DIR=<YOUR_PAYFETCH_DATA_DIR> --env PAYFETCH_TEST_MODE=<YOUR_PAYFETCH_TEST_MODE> --env PAYFETCH_APPROVER=<YOUR_PAYFETCH_APPROVER> --env PAYFETCH_VIA=<YOUR_PAYFETCH_VIA> -- npx -y @forum-labs/payfetch@1.0.0

Run this in a terminal to add the server to Claude Code.

What this does

payfetch exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.

Requirements

This server needs the following environment variables to be set before it can run:

PAYFETCH_PRIVATE_KEY
PAYFETCH_KEY_FILE
PAYFETCH_CDP_API_KEY_ID
PAYFETCH_CDP_API_KEY_SECRET
PAYFETCH_CDP_WALLET_SECRET
PAYFETCH_CDP_ACCOUNT_NAME
PAYFETCH_DATA_DIR
PAYFETCH_TEST_MODE
PAYFETCH_APPROVER
PAYFETCH_VIA

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

Frequently asked questions

How do I install payfetch?

Run the Claude Code command in the install section to add payfetch to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.

Which clients work with payfetch?

This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to payfetch as well.

Does payfetch need an API key?

Yes. Before it can run, set these environment variables: PAYFETCH_PRIVATE_KEY, PAYFETCH_KEY_FILE, PAYFETCH_CDP_API_KEY_ID, PAYFETCH_CDP_API_KEY_SECRET, PAYFETCH_CDP_WALLET_SECRET, PAYFETCH_CDP_ACCOUNT_NAME, PAYFETCH_DATA_DIR, PAYFETCH_TEST_MODE, PAYFETCH_APPROVER, PAYFETCH_VIA. They go in the env block of your MCP config.

Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.

Is this your MCP server?

Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.

Listed on clauderules.net

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