Unstuck MCP MCP server

An official MCP server by Unstuck that provides AI agents with tools for lead generation, web data extraction, and market research. It allows agents to find companies by technology stack, verify emails, read web pages and PDFs, check domain availability, and search academic papers or security vulnerabilities, operating on a pay-per-call model.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Unstuck

MCP endpoint (Streamable HTTP)

https://unstuckapi.com/mcp

Vendor documentation

What you can do with it

Find Shopify stores using Klaviyo with contact emails
Verify if an email address is deliverable
Extract text from any web page or PDF
Check domain availability and DNS info

Tools advertised by the last live check:

web_search
read_page
screenshot
domain_check
domain_info
pdf_to_text
email_verify
email_find
keyword_volume
shopping_prices
business_listings
business_reviews
leads_by_tech
tech_stack
company_reviews
company_filings
insider_trades
company_financials
vulnerability_lookup
paper_search

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http unstuck-mcp https://unstuckapi.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add unstuck-mcp --url https://unstuckapi.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable unstuck-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "unstuck-mcp": {
      "url": "https://unstuckapi.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "unstuck-mcp": {
      "type": "streamableHttp",
      "url": "https://unstuckapi.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start unstuck-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "unstuck-mcp": {
      "type": "http",
      "url": "https://unstuckapi.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http unstuck-mcp https://unstuckapi.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "unstuck-mcp": {
      "url": "https://unstuckapi.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "unstuck-mcp": {
      "serverUrl": "https://unstuckapi.com/mcp"
    }
  }
}

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