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ai.clawfetch/mcp

Registre officiel Recherche et web

Web intelligence for AI agents: fetch, render, extract, research. x402 micropayments, no API keys.

Code source Documentation

Installation

Ajoutez ceci à la configuration MCP de votre client (Claude Desktop : claude_desktop_config.json ; Cursor : .cursor/mcp.json ; VS Code et les autres utilisent la même forme « mcpServers »).

NPM package @clawfetch/mcp
Claude Code 
claude mcp add ai-clawfetch-mcp -e 'CLAWFETCH_PRIVATE_KEY=<your clawfetch_private_key>' -- npx -y @clawfetch/mcp@0.4.0
Configuration JSON (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "ai-clawfetch-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "@clawfetch/mcp@0.4.0"
            ],
            "env": {
                "CLAWFETCH_PRIVATE_KEY": "<your clawfetch_private_key>"
            }
        }
    }
}

Variables d'environnement

  • CLAWFETCH_PRIVATE_KEY obligatoire secret EVM private key for a Base wallet holding USDC (pays x402 micropayments gaslessly)

Documentation

Tirée du README du projet sur GitHub, actualisée chaque semaine. Les liens ouvrent GitHub.

Sommaire
  1. @clawfetch/mcp
  2. Access and payment
  3. 💻 Self-Hosted Mode
  4. Tools
  5. Environment Variables
  6. Development
  7. License

@clawfetch/mcp

MCP (Model Context Protocol) server for ClawFetch — Web Intelligence API for AI Agents.

Gives any MCP-compatible client (Claude Desktop, Cursor, Windsurf, OpenClaw, etc.) instant access to ClawFetch's web intelligence tools: fetch pages as markdown, render JS-heavy SPAs, extract structured data from 17+ site types, research topics multi-source, enrich companies from a domain, and check domain availability.

Payments are handled automatically via the x402 protocol — USDC on Base. No API keys, no billing dashboards.

Access and payment

The public hosted MCP endpoint is retired and returns HTTP 410 Gone. Run the MCP locally using the setup below, or call https://api.clawfetch.ai directly. Paid tool calls use your own USDC-funded wallet on Base; ClawFetch does not subsidize requests.

💻 Self-Hosted Mode

Run your own instance with full control over the payment wallet.

Install
npm install -g @clawfetch/mcp
Configure (stdio — for local MCP clients)

Add to your MCP client config (e.g., Claude Desktop):

{
  "mcpServers": {
    "clawfetch": {
      "command": "clawfetch-mcp",
      "env": {
        "CLAWFETCH_PRIVATE_KEY": "0xYOUR_ETHEREUM_PRIVATE_KEY"
      }
    }
  }
}

The private key signs x402 micropayments (USDC on Base). Fund the corresponding address with USDC on Base mainnet.

Run as HTTP Server

Expose the MCP server over HTTP for remote clients:

CLAWFETCH_PRIVATE_KEY=0x... CLAWFETCH_TRANSPORT=http CLAWFETCH_PORT=3001 clawfetch-mcp

This starts a server at http://localhost:3001/mcp using the Streamable HTTP transport (MCP spec compliant). By default it binds to 127.0.0.1 and accepts only loopback Host headers, which blocks DNS-rebinding attacks from web pages. To serve remote clients, set CLAWFETCH_HOST=0.0.0.0 and list your public hostnames in CLAWFETCH_ALLOWED_HOSTS.

HTTP Endpoints
EndpointMethodDescription
/mcpPOSTInitialize session — returns Mcp-Session-Id header
/mcpGETSSE stream for server-to-client notifications (requires session ID)
/mcpDELETEClose a session
/healthGETServer health check (JSON)
Session Flow
  1. Initialize: POST /mcp with JSON-RPC initialize request → get Mcp-Session-Id header
  2. Call tools: POST /mcp with Mcp-Session-Id header + JSON-RPC tools/call request
  3. Stream: GET /mcp?sessionId=... for SSE notifications (optional)
  4. Close: DELETE /mcp with Mcp-Session-Id header

Tools

ToolDescriptionCost
fetch_urlFetch any URL as clean markdown$0.001
render_pageRender JS-heavy pages (SPAs, React apps)$0.005
extract_dataExtract structured data from 17+ site types$0.008
research_topicMulti-source research with citations$0.02
check_domainsCheck domain name availability$0.003
suggest_domainsGenerate available domain suggestions$0.003
parse_documentParse office docs (docx/pptx/xlsx/pdf/…) to markdown$0.005
enrich_companyCompany profile from a domain: socials, emails, tech stack, key pages$0.02
list_extractorsList supported structured data extractors$0.001
health_checkCheck API health statusFree
wallet_infoShow payment wallet addressFree
Supported Extractors

GitHub repos/profiles, npm packages, PyPI packages, Twitter/X profiles, LinkedIn profiles/companies, YouTube videos/channels, Product Hunt, Hacker News, Reddit, Crunchbase, Wikipedia, and more.

Use list_extractors to see all available types with their schema.

Environment Variables

VariableRequiredDefaultDescription
CLAWFETCH_PRIVATE_KEYYes*—Ethereum private key (0x-prefixed) for x402 payments
CLAWFETCH_BASE_URLNohttps://api.clawfetch.aiAPI base URL
CLAWFETCH_TRANSPORTNostdioTransport: stdio or http
CLAWFETCH_HOSTNo127.0.0.1HTTP server bind address
CLAWFETCH_ALLOWED_HOSTSNolocalhost,127.0.0.1,[::1]Comma-separated Host header allowlist for the HTTP transport (DNS-rebinding protection)
CLAWFETCH_PORTNo3001HTTP server port
CLAWFETCH_TIMEOUT_MSNo60000Request timeout in ms
CLAWFETCH_DEBUGNofalseEnable debug logging (1 or true)

\* Required for tool calls. Without it the server still starts and lists its tools, resources and prompts (so registries can inspect it), and every call returns setup instructions. Keep this key in your local configuration; never submit it to the ClawFetch website.

Development

git clone https://github.com/clawfetch/clawfetch-mcp.git
cd clawfetch-mcp
npm install
npm run build
npm test

License

MIT

Questions fréquentes

Qu'est-ce que ai.clawfetch/mcp ?

Web intelligence for AI agents: fetch, render, extract, research. x402 micropayments, no API keys.

Comment installer ai.clawfetch/mcp ?

Il s'exécute sur votre machine. Dans Claude Code : claude mcp add ai-clawfetch-mcp -e 'CLAWFETCH_PRIVATE_KEY=<your clawfetch_private_key>' -- npx -y @clawfetch/mcp@0.4.0. Pour les autres clients, collez la configuration JSON de cette page dans leurs réglages MCP.

Faut-il une clé API pour ai.clawfetch/mcp ?

Oui. Il attend CLAWFETCH_PRIVATE_KEY, à renseigner dans sa configuration.

ai.clawfetch/mcp est-il open source ?

Oui. Son code est sur GitHub sous licence MIT.

Qui maintient ai.clawfetch/mcp ?

Il est publié par clawfetch. AI.tn le référence sans le maintenir ni le recommander.

Issu du registre MCP officiel. Être listé n'est pas une recommandation : vérifiez le code et les permissions d'un serveur avant de lui donner accès à vos données.