Server data from the Official MCP Registry
Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.
Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.
Remote endpoints: streamable-http: https://x402.charliemorrison.dev/mcp
Valid MCP server (2 strong, 2 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
3 tools verified · Open access · No issues found
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Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"dev-charliemorrison-agent-web-reader": {
"url": "https://x402.charliemorrison.dev/mcp"
}
}
}From the project's GitHub README.
Pay-per-call data tools for AI agents, settled per call in USDC on Base via the x402 protocol. The buyer is another agent: it discovers an endpoint, auto-pays per request (HTTP 402 → payment → data), and gets structured JSON back. No API key, no signup, no account — the seller's only setup is one public wallet address.
Live at https://x402.charliemorrison.dev — also listed as a remote MCP server in the
Official MCP Registry as
dev.charliemorrison/agent-web-reader.
| Tool | Endpoint | Price | Returns |
|---|---|---|---|
market_signal | GET /signal | $0.005 | Crypto market signal (price/trend/momentum) for a symbol |
web_read | GET /extract | $0.005 | Clean, readable text + metadata extracted from any URL |
repo_audit | GET /audit?owner=&repo= | $0.005 | GitHub repo discoverability/SEO score (0–100) + concrete fixes |
Free, unpaid routes:
GET / — discovery doc (service + paid-endpoint metadata, x402-aware)GET /healthz — livenessGET /.well-known/mcp.json — MCP discovery manifestGET /.well-known/agent.json — A2A Agent CardPOST /mcp — remote MCP server (Streamable HTTP). Lists the three tools; an
unpaid tools/call returns the decoded x402 payment-required challenge, and a call
carrying an x402 payment returns the data.base, payTo address).X-PAYMENT header.No private key ever lives in this server's config — it only receives. Settlement is delegated to an x402 facilitator (default: a zero-fee, gas-sponsored facilitator; Coinbase CDP facilitator is supported via env and inert unless configured).
npm install
PAY_TO=0xYourReceivingAddress node server.js # listens on :4021
Environment:
PAY_TO — your receiving wallet (USDC on Base). Required for real revenue.PORT — default 4021.CDP_API_KEY_ID / CDP_API_KEY_SECRET — optional; switches settlement to the
Coinbase CDP facilitator. Omitted by default.The buyer is a machine and distribution is a registry — there's no cold human audience to recruit, which is the wall that kills most indie API/tool launches. Seller setup is a single wallet address; every call is zero-marginal-cost public data.
MIT
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