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Documentation Index

Fetch the complete documentation index at: https://docs.dataforb2b.ai/llms.txt

Use this file to discover all available pages before exploring further.

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DataForB2B MCP

Connect your AI assistant to DataForB2B and search people, companies, and enrich profiles using natural language — directly from your IDE or chat. MCP Server URL: 
https://mcp.dataforb2b.ai/mcp

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Installation

Add to your Claude Desktop config file:macOS: ~/Library/Application Support/Claude/claude_desktop_config.jsonWindows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "dataforb2b": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://mcp.dataforb2b.ai/mcp"]
    }
  }
}

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Authentication

DataForB2B MCP uses OAuth 2.0. When you first connect, you’ll be redirected to log in to your DataForB2B account and authorize the connection.
  1. Sign up at app.dataforb2b.ai if you don’t have an account
  2. Connect the MCP server in your AI assistant
  3. Log in to your DataForB2B account and authorize access when prompted
No API key needed — just sign in and approve the connection.

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Available Tools

ToolDescription
search_natural_languageSearch people or companies using natural language queries with 70+ filters
enrich_profileEnrich a professional profile with work email, personal email, and GitHub profile
enrich_companyEnrich a company with full data from public sources
search_lookalikeFind similar people or companies using AI-powered vector similarity

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Usage Examples

Find CTOs and VPs of Engineering at SaaS companies
with 50-200 employees that raised Series A or Series B in the US
Then:
Enrich these profiles with verified work emails

Software engineers in SF with 5+ years of experience
who know Python and have worked at companies with 200+ employees
Then:
Find similar profiles using lookalike search

CTOs at companies backed by Sequoia

Software engineers at YC companies

Software engineers who previously worked at Palantir
and now work at companies with less than 50 employees
Then:
Enrich with work emails and GitHub profiles

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Troubleshooting

Make sure you have a DataForB2B account. Sign up at app.dataforb2b.ai and try connecting again.
Restart your MCP client after updating the config file. Some clients require a full restart to detect new MCP servers.
Claude Desktop requires the mcp-remote wrapper. Make sure you’re using the npx config:
{
  "command": "npx",
  "args": ["-y", "mcp-remote", "https://mcp.dataforb2b.ai/mcp"]
}

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Need help?

Contact us at [email protected].