MCP server

Mercury402: Treasury/FRED financial data over x402

io.github.dudman1/mercury402-mcp

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

Treasury/FRED financial data over x402: pay-per-call US yields, macro and forex in USDC on Base

Working at last checkAbout 528 tokens per request once connected2 tools

https://mcp.mercury402.com/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 2
Token cost: About 528 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 mercury402-mcp https://mcp.mercury402.com/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.mercury402-mcp]
url = "https://mcp.mercury402.com/mcp"

Gemini CLI

{"mcpServers":{"mercury402-mcp":{"httpUrl":"https://mcp.mercury402.com/mcp"}}}

Cursor

{"mcpServers":{"mercury402-mcp":{"url":"https://mcp.mercury402.com/mcp"}}}

VS Code

{"servers":{"mercury402-mcp":{"type":"http","url":"https://mcp.mercury402.com/mcp"}}}

Antigravity

agy mcp add mercury402-mcp https://mcp.mercury402.com/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":"mercury402-mcp","server_url":"https://mcp.mercury402.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mercury402-mcp","server_url":"https://mcp.mercury402.com/mcp"}

get_endpoint_data ~345 tokens
Call a Mercury402 endpoint on the live API. This hosted endpoint is discovery-only: endpoints return HTTP 402 and this tool returns the price and x402 payment instructions instead of data. Pay with your own x402 client, or run mercury402-mcp locally (npx -y mercury402-mcp) with your own wallet. Use
list_endpoints ~183 tokens
List Mercury402 financial data endpoints (78 total) with path, method, category, description, price in USD (paid per call in USDC on Base via x402) and accepted parameters. Free; makes no network calls.

Stablecoin Gateways
Pay-per-call compliance data: OFAC sanctions, merchant check, LEI, SEC, WHOIS, FX. x402 in USDC/XRP
LastLook Data
FRED macro data, Treasury yields, FX rates & macro indicators for AI agents. Pay-per-query via x402.
DocParse
Docs to Markdown, SEC filings, insider trades, Treasury yields, FRED macro, FX rates, dev utils.
Tanod Finance
SEC XBRL financials, company lookup, Treasury yields, ECB FX, token prices, perp funding spreads.
Degenscan Intel
Cross-asset market event intelligence for AI trading agents. Pay per call (USDC/x402) or API key.
ScorpTech x402 API
112 x402 pay-per-call tools: web data, security/OSINT, SEC and public data, Solana/EVM lookups
HYPERneobroker.com
Live prices, perps, prediction markets and a paper trading desk over one MCP.
Agent Utility Suite (x402)
SEC red-flag alerts & company dossiers, token risk, wallet checks, x402 preflight, scraping, OFAC.

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