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Web intelligence for AI agents: fetch, render, extract, research. x402 micropayments, no API keys.
About
Web intelligence for AI agents: fetch, render, extract, research. x402 micropayments, no API keys.
Remote endpoints: streamable-http: https://mcp.clawfetch.ai/mcp
Security Report
Valid MCP server (5 strong, 5 medium validity signals). 1 known CVE in dependencies Package registry verified. Imported from the Official MCP Registry.
Endpoint verified · Open access · 2 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: CLAWFETCH_PRIVATE_KEY
How to Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Documentation
View on GitHubFrom the project's GitHub README.
@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, 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).
HTTP Endpoints
| Endpoint | Method | Description |
|---|---|---|
/mcp | POST | Initialize session — returns Mcp-Session-Id header |
/mcp | GET | SSE stream for server-to-client notifications (requires session ID) |
/mcp | DELETE | Close a session |
/health | GET | Server health check (JSON) |
Session Flow
- Initialize:
POST /mcpwith JSON-RPCinitializerequest → getMcp-Session-Idheader - Call tools:
POST /mcpwithMcp-Session-Idheader + JSON-RPCtools/callrequest - Stream:
GET /mcp?sessionId=...for SSE notifications (optional) - Close:
DELETE /mcpwithMcp-Session-Idheader
Tools
| Tool | Description | Cost |
|---|---|---|
fetch_url | Fetch any URL as clean markdown | $0.001 |
render_page | Render JS-heavy pages (SPAs, React apps) | $0.005 |
extract_data | Extract structured data from 17+ site types | $0.008 |
research_topic | Multi-source research with citations | $0.02 |
check_domains | Check domain name availability | $0.008 |
suggest_domains | Generate available domain suggestions | $0.008 |
parse_document | Parse office docs (docx/pptx/xlsx/pdf/…) to markdown | $0.005 |
list_extractors | List supported structured data extractors | $0.001 |
health_check | Check API health status | Free |
wallet_info | Show payment wallet address | Free |
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
| Variable | Required | Default | Description |
|---|---|---|---|
CLAWFETCH_PRIVATE_KEY | Yes* | — | Ethereum private key (0x-prefixed) for x402 payments |
CLAWFETCH_BASE_URL | No | https://api.clawfetch.ai | API base URL |
CLAWFETCH_TRANSPORT | No | stdio | Transport: stdio or http |
CLAWFETCH_HOST | No | 0.0.0.0 | HTTP server bind address |
CLAWFETCH_PORT | No | 3001 | HTTP server port |
CLAWFETCH_TIMEOUT_MS | No | 60000 | Request timeout in ms |
CLAWFETCH_DEBUG | No | false | Enable debug logging (1 or true) |
* Required. 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
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