MCPs › Data & APIs › Mercury x402 MCP
Mercury is a pay-per-call MCP server that lets AI agents discover and call financial data tools using the x402 HTTP payment protocol. 18 tools covering crypto prices, DeFi liquidity, NFT data, on-chain analytics, and more. tools/list is free — tools/call is billed per call using your Mercury API key.
Install Mercury x402 MCP
For anyone using Mercury x402 MCP — no Lulu account neededclaude mcp add --transport http mercury-x402-mcp https://mercury-x402--mercuryuser.run.tools
9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.
Get the Kit →FAQ
Run: claude mcp add --transport http mercury-x402-mcp https://mercury-x402--mercuryuser.run.tools
Yes — it’s a remote MCP server, so no local install is needed.
ChatGPT: Settings → Connectors → Advanced → Developer mode → Add connector, then paste https://mercury-x402--mercuryuser.run.tools.
Claude.ai: Settings → Connectors → Add custom connector, then paste the same URL.
3 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Similar servers
Works well together
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This is for the person who owns Mercury x402 MCP — adds Lulu Ads to your own code. Not the install steps above, those are for your users.
Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.
or set up manually at getlulu.dev/publishers
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Managed hosting with monetization built in — waitlist.
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