Versium REACH MCP MCP server

The Versium REACH MCP server enables AI agents to query Versium REACH APIs using natural language. It supports data appends (contact, demographic, firmographic), list generation, audience estimation, and data hygiene tasks like email validation, leveraging Versium's B2B2C identity graph.

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

OAuth sign-inEndpoint checked 2026-10-05Operated by Versium

MCP endpoint (Streamable HTTP)

https://app.versium.com/mcp/reach

Vendor documentation

What you can do with it

Enrich contacts with demographic and firmographic data
Generate B2B and consumer audience lists
Validate email addresses for data hygiene
Estimate audience sizes for market segments

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 versium-reach-mcp https://app.versium.com/mcp/reach

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 versium-reach-mcp --url https://app.versium.com/mcp/reach

Cursor

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

Cursor configuration

{
  "mcpServers": {
    "versium-reach-mcp": {
      "url": "https://app.versium.com/mcp/reach"
    }
  }
}

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": {
    "versium-reach-mcp": {
      "type": "streamableHttp",
      "url": "https://app.versium.com/mcp/reach",
      "disabled": false
    }
  }
}

VS Code

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

VS Code configuration

{
  "servers": {
    "versium-reach-mcp": {
      "type": "http",
      "url": "https://app.versium.com/mcp/reach"
    }
  }
}

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 versium-reach-mcp https://app.versium.com/mcp/reach

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": {
    "versium-reach-mcp": {
      "url": "https://app.versium.com/mcp/reach"
    }
  }
}

Windsurf

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

Windsurf configuration

{
  "mcpServers": {
    "versium-reach-mcp": {
      "serverUrl": "https://app.versium.com/mcp/reach"
    }
  }
}

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