X402 List MCP

MCP server for x402-list: discover x402 payment services and on-chain-verified facilitator settlement volume. Its 7 documented tools cover x402, services, service.

People who work with x402, services and service and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-01 · ★ 30 · #36 OF 318 MAINTAINED FINANCE · VERIFIED 2026-09-18

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 2026-09-17

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

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 7 documented tools spanning x402, services, service, including x402_search_services, x402_get_service, x402_find_best_service, x402_check_health.

The 7 tools it gives your agent

Extracted from the project's README - what x402-list-mcp lets an agent do.

x402_search_services
- Search and filter the directory by query, category, network, status, and signable (whether the last observed 402 envelope carries the EIP-712 domain parameters
x402_get_service
- Full detail for one service by slug: endpoints, per-endpoint USD pricing, uptime windows, networks, settlement asset.
x402_find_best_service
- Ranked recommendation for a need, computed server-side (GET /api/v1/best). Ranks mostly by reliability, x402 compliance and price (status, verified, uptime, res
x402_check_health
- Live status, directory-wide or per service (uptime snapshots, consecutive failures).
x402_facilitator_volumes
- Per-facilitator on-chain-verified settlement volume (today UTC/7d/30d/all) in USD, tx counts, and an on-chain vs listed flag. The _24h fields cover today (UTC)
x402_change_events
- Free, read-only feed of what the monitor observed changing on listed services, most recent first, in exactly three event types (payto_changed, price_changed, sc
x402_assess_services
- 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

Latest releases

v0.5.1 · 2026-09-01

Tool titles and annotations added; all 7 tools under the x402_ namespace. See CHANGELOG.md.

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
finance - ranked #36 of 318 actively-maintained finance servers as of 2026-09-18.
release cadence
1 release in the last 90 days (latest 2026-09-01)
registry
com.x402-list/x402-list-mcp (active, first published 2026-07-06 · 8 versions)
packages
npm:x402-list-mcp

06 · X402 List MCP FAQ

Is X402 List MCP still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-01 and it shipped 1 release in the last 90 days. We re-verify nightly.

What can X402 List MCP do?

An agent gets 7 documented tools spanning x402, services, service, including x402_search_services, x402_get_service, x402_find_best_service, x402_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 2026-09-17; you can connect without credentials.

07 · Alternatives to X402 List MCP