web-scrapingx402researchstructured-extractionusdc
ClawFetch MCP gives an agent web-intelligence tools — markdown page fetching, JS-rendered scraping, structured extraction from 17+ site types, and multi-source research — billed automatically per call in USDC via x402, no API keys.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Remote HTTPConfigure Environment Variables (API Keys, Tokens, Options):
Add required secrets below — values are included directly in the generated snippet so you can copy and paste with confidence.
Quick Add:
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Overview
Use cases
Fetch a web page as clean markdown for an agent to read
Render and scrape a JavaScript-heavy single-page app
Extract structured data from a supported site type (e.g. a product or listing page)
Research a topic across multiple sources in one call
Key features
Markdown page fetching and JS-rendered scraping
Structured extraction from 17+ site types
Multi-source topic research and domain-availability checks
Automatic per-call USDC payment via x402 — no API keys
Hosted (recommended) or self-hosted with your own payment wallet
Capabilities & Tool Schemas (10)
Inspect callable tools, capabilities, and parameters exposed to AI agents by Clawfetch MCP.
fetch_urlFetch any URL as clean markdown
render_pageRender JS-heavy pages (SPAs, React apps)
extract_dataExtract structured data from 17+ site types
research_topicMulti-source research with citations
check_domainsCheck domain name availability
suggest_domainsGenerate available domain suggestions
Documentation Overview
@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
Configure (stdio — for local MCP clients)
Add to your MCP client config (e.g., Claude Desktop):
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:
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
License
MIT
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
Last commit
7d ago
Most recent push to the default branch.
Tools exposed
10
Callable tools this server registers over MCP.
Directory activity
2 views
Config copies, upvotes, and views on AllMCPs.
Reviews
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Frequently Asked Questions about Clawfetch MCP
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CategoryFinance & Fintech
PricingPaid
12/12 checks healthy over the last 43d
53Quality signal: Good · 53/100How this signal is calculated ▾
Server availabilityNot measured
Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.
Verified ownership10/20
Documentation & tools26/30
Adoption & activity4/15
Community engagement0/10
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