X402 List MCP

MCP server for x402-list: discover x402 payment services and on-chain-verified facilitator settlement volume. Its 6 documented tools cover services, service.

People connecting filesystem tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-28 · ★ 58 · #2 OF 34 MAINTAINED FILESYSTEM · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install X402 List MCP

before you install - you'll need

MCP_HTTP_PORT

Environment variables documented in the project's README - it lists which are required and which have defaults.

Claude Code

claude mcp add mcccsm-x402-list-mcp --transport http https://mcp.x402-list.com/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "mcccsm-x402-list-mcp": {
      "url": "https://mcp.x402-list.com/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://mcp.x402-list.com/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to mcp.x402-list.com

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

repo age created 2026-07-06 - young repo, little track record yet

license MIT - declared in the repository

npm package x402-list-mcp - unscoped; check the name against the project README before installing

registry vendor namespace com.x402-list - domain-verified with the official MCP registry

03 · What X402 List MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

An agent gets 6 documented tools spanning services, service, including search_x402_services, get_service, find_best_service, check_health.

Capability map

Tools grouped from the project's README - what X402 List MCP lets an agent do.

read & search

4 tools - e.g. Search and filter the directory by query, category, network, status, and signable (whether the last observed 402 envelope carries the EIP-712 domain parameters ; Full detail for one service by slug…

search_x402_services · get_service · find_best_service · get_facilitator_volumes

Check

1 tool - e.g. Live status, directory-wide or per service (uptime snapshots, consecutive failures).

check_health

Assess

1 tool - e.g. Paid ($0.25 USDC on Base, x402). Fresh on-demand AI comparison of a shortlist of listed services for a stated need. Pass-through: it never holds keys, never sig

assess_services

04 · Who maintains X402 List MCP

x402-list-mcp is maintained by mcccsm. It's the only MCP server we track from this author; the repo dates to Jul 2026.

05 · Facts

category
filesystem - ranked #2 of 34 actively-maintained filesystem servers as of 2026-08-25.
registry
com.x402-list/x402-list-mcp (active, first published 2026-07-06 · 7 versions)
packages
npm:x402-list-mcp

06 · X402 List MCP FAQ

Is X402 List MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-28. We re-verify nightly.

What can X402 List MCP do?

An agent gets 6 documented tools spanning services, service, including search_x402_services, get_service, find_best_service, check_health.

How do I install X402 List MCP?

Run `npx -y x402-list-mcp`. The README documents one environment variable (MCP_HTTP_PORT) to set first. You can also paste the ready-made client config above.

Does X402 List MCP require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to X402 List MCP