--- title: "Data Legion MCP server" url: "https://martechdb.com/vendors/data-legion" markdown_url: "https://martechdb.com/vendors/data-legion.md" api_url: "https://martechdb.com/api/v1/vendors/datalegion.ai" updated: "2026-10-28" --- # Data Legion MCP server Yes. Data Legion publishes an official MCP server at https://api.datalegion.ai/mcp. It's hosted. It offers 9 tools. We last checked it on 6 Nov 2026. MartechDB lists only servers the vendor publishes itself, never community servers. **Key facts:** As of 6 Nov 2026, Data Legion's official MCP server scores 65/100 (provisional) on MartechDB's Agent Readiness Index (v1.1). It answered 9 of our 9 checks in the last 90 days and has 9 tools named in its documentation. - Website: [datalegion.ai](https://datalegion.ai) - Categories: [Prospecting & lead data](https://martechdb.com/categories/prospecting-lead-data.md) ## Review Data Legion's Data Legion MCP Server scores 65/100 on MartechDB's Agent Readiness Index: easy to connect an AI agent to, with a few gaps. The good: - Hosted by Data Legion: connect by URL, with nothing to install - Documented, with 9 tools known - Answered 100% of our checks in the last 90 days Not checked yet: how you sign in; what agent access costs. ## Agent Readiness Index: 65/100 (provisional) How friendly Data Legion is to AI agents, from its best official MCP server. Anything not yet researched scores nothing, so this score may rise once it is. Methodology v1.1: https://martechdb.com/methodology. - Official MCP server: 30/30 (Published by the vendor) - Hosted by the vendor: 25/25 (Connect by URL, nothing to install) - OAuth sign-in: pending (Sign-in: see vendor docs) - Documented tools: 10/10 (A docs page, and its tools are known) - Free to start, pay as you go: 0/15 (Not stated by the vendor) ## Data Legion MCP Server - Address: https://api.datalegion.ai/mcp - Runs: Hosted - Sign-in: Sign-in: see vendor docs (`unknown`) - Official MCP Registry: not listed - Documentation: https://www.datalegion.ai/docs/integrations/mcp-server - How we know it's official: Documented on Data Legion's own site, at www.datalegion.ai - First seen: 2026-10-28 - Last checked: 2026-11-06 - Recent checks: 7 of the last 7 reachable - Uptime: 100% (9 of 9 checks reachable since 2026-10-29) ### Tools (9) The server needs sign-in before it lists its tools, so these are as the vendor's documentation names them ([source](https://www.datalegion.ai/docs/integrations/mcp-server)), read on 2026-11-06. They may be out of date. - `person_enrich`: Look up a person by email, phone, name, LinkedIn, or other identifiers - `person_search`: Query people using SQL WHERE syntax - `company_enrich`: Look up a company by domain, name, ticker, or LinkedIn - `company_search`: Query companies using SQL WHERE syntax - `utility_clean`: Normalize emails, phones, names, domains, and other fields - `utility_hash_email`: Hash an email address (SHA-256, SHA-1, MD5) for privacy-safe lookups - `utility_validate`: Validate data format and get cleaning suggestions - `report_person`: Flag a data-quality issue with a person record (wrong, outdated, or misattributed value) - `report_company`: Flag a data-quality issue with a company record ### Connect it Claude Code: ```sh claude mcp add --transport http data-legion https://api.datalegion.ai/mcp ``` - Add to Cursor: - Add to VS Code: - Claude.ai and Claude Desktop: Customize, Connectors, "+", Add custom connector, then paste https://api.datalegion.ai/mcp - ChatGPT: Settings, Apps, Advanced settings, turn on Developer mode, Create, then paste https://api.datalegion.ai/mcp (this usually works only with servers that use self-serve sign-in or none) JSON for Cursor, Windsurf and other clients that connect to hosted servers: ```json { "mcpServers": { "data-legion": { "type": "http", "url": "https://api.datalegion.ai/mcp" } } } ``` ## Questions ### Does Data Legion have an official MCP server? Yes. Data Legion publishes its MCP server itself. Data Legion's own documentation describes it. MartechDB only lists servers a vendor publishes, never community copies. ### What is the Data Legion MCP server URL? The address is https://api.datalegion.ai/mcp. ### How do I connect Data Legion MCP to Claude, ChatGPT or Cursor? In Claude, add https://api.datalegion.ai/mcp as a custom connector (Customize, Connectors, Add custom connector). In Cursor, use the Add to Cursor link on MartechDB's page, or paste the JSON settings into your mcp.json. In Claude Code, run: claude mcp add --transport http data-legion https://api.datalegion.ai/mcp ### What can the Data Legion MCP server do? It offers 9 tools, including person\_enrich, person\_search, company\_enrich, company\_search and utility\_clean (as its documentation names them, read on 6 Nov 2026). ### Is the Data Legion MCP server in the official MCP Registry? No. Data Legion hasn't published it to the official MCP Registry. ### Is the Data Legion MCP server working? Yes. It answered our most recent check. We last checked it on 6 Nov 2026. ### What are the alternatives to Data Legion's MCP server? In Prospecting & lead data, the most agent-friendly alternatives with an official MCP server are Boomerang (97/100), Seamless.ai (94/100), Crossbeam (94/100), Poggio (94/100) and Scalelist (94/100). Data Legion scores 65/100 on the same index. ## Change history - 2026-10-28: Added to MartechDB with Data Legion MCP Server ## Alternatives to Data Legion's MCP server In Prospecting & lead data, the most agent-friendly first: - [Boomerang](https://martechdb.com/vendors/boomerang.md) (getboomerang.ai), Agent Readiness Index 97/100 - [Seamless.ai](https://martechdb.com/vendors/seamlessai.md) (seamless.ai), Agent Readiness Index 94/100 - [Crossbeam](https://martechdb.com/vendors/crossbeam.md) (crossbeam.com), Agent Readiness Index 94/100 - [Poggio](https://martechdb.com/vendors/poggio.md) (poggio.io), Agent Readiness Index 94/100 - [Scalelist](https://martechdb.com/vendors/scalelist.md) (scalelist.com), Agent Readiness Index 94/100 ## Get this data - API: `curl https://martechdb.com/api/v1/vendors/datalegion.ai` - MCP: `claude mcp add --transport http martechdb https://martechdb.com/mcp`, then ask about Data Legion. - Web page: https://martechdb.com/vendors/data-legion