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What is MCP?

The Model Context Protocol (MCP) is an open standard that lets AI-powered IDEs and tools connect to external data sources. Sixtyfour provides two MCP servers:
ServerURLPurpose
Documentationhttps://docs.sixtyfour.ai/mcpSearch Sixtyfour docs from your IDE
Company Filter Searchhttps://mcp.sixtyfour.ai/mcp?api_key=YOUR_API_KEYRun company filter searches via MCP tools

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Setup

Add both servers to your IDE’s MCP configuration file: 
{
  "mcpServers": {
    "sixtyfour-docs": {
      "url": "https://docs.sixtyfour.ai/mcp"
    },
    "sixtyfour-company-search": {
      "url": "https://mcp.sixtyfour.ai/mcp?api_key=YOUR_API_KEY"
    }
  }
}
Replace YOUR_API_KEY with your Sixtyfour API key. The exact location of the MCP configuration file varies by IDE.

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Common IDE config paths

IDEConfig location
Cursor.cursor/mcp.json in your project root or ~/.cursor/mcp.json globally
VS Code (Copilot).vscode/mcp.json in your project root
Claude CodeSee CLI commands in each server section below
Windsurf~/.codeium/windsurf/mcp_config.json

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Documentation MCP

Gives your IDE’s AI assistant direct access to Sixtyfour docs , API references, code examples, and guides — without leaving your editor.
This command is scoped to the directory you run it from. To make the server available across all projects, add --scope user to each command.

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Claude Code

claude mcp add --transport http sixtyfour-docs "https://docs.sixtyfour.ai/mcp"

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Example usage

  • “How do I use the enrich-company endpoint?”
  • “What parameters does find-email accept?”
  • “Show me an example of using webhooks with Sixtyfour AI”

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Company Filter Search MCP

Lets Claude Code or another MCP client drive the full company filter search flow , discover fields, inspect top values, and run paginated searches — without calling the HTTP endpoints directly.

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Claude Code

This command is scoped to the directory you run it from. To make the server available across all projects, add --scope user to each command.
claude mcp add --transport http sixtyfour-company-search "https://mcp.sixtyfour.ai/mcp?api_key=YOUR_API_KEY"

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Example usage

  • “Use Sixtyfour company filter search to find US companies with 100 to 5000 employees.”
  • “Use Sixtyfour company filter search to show the top values for industry for private Canadian companies.”
  • “Use Sixtyfour company filter search to build a simple_filters query for AI infrastructure companies and return the first page of results.”
Ask Claude Code to return the generated simple_filters or filters payload if you want the underlying query as JSON.