Directory/MCP Directory/1Lookup
Sign in with OAuth, no API key needed. It exposes five tools: validate_phone, verify_email, ip_lookup, bulk_verify and get_account, and tool calls spend the same credits as the REST API.
Live Checked 27 minutes ago, answered in 328 ms
Answered with an MCP sign-in challenge, so the server is up and asks for your account.
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1Lookup shares its tool list only after you sign in, so these capabilities come from the listing and 1Lookup's own documentation. Your AI app shows the exact tools once it is connected.
1Lookup runs its own MCP server at https://app.1lookup.io/api/mcp (Streamable HTTP). Sign in with OAuth, no API key needed. It exposes five tools: validate_phone, verify_email, ip_lookup, bulk_verify and get_account, and tool calls spend the same credits as the REST API.
Read the full 1Lookup review: pricing, pros and cons, alternatives
Observed means our own checker saw it at the server URL, without signing in. Nothing here is copied from the vendor's marketing. Server details refresh weekly; last refreshed Oct 20, 2026.
When you add it, your AI app opens a sign-in window for 1Lookup. Log in with your own 1Lookup account and approve access. Nothing to copy or paste beyond the URL.
https://app.1lookup.io/api/mcpOn Team and Enterprise plans an owner adds it first under Organization settings.
claude mcp add --transport http '1lookup' 'https://app.1lookup.io/api/mcp'/mcp to check it shows as connected and to sign in.{"mcpServers":{"1lookup":{"url":"https://app.1lookup.io/api/mcp"}}}Steps follow Anthropic's guides to custom connectors and MCP in Claude Code. Menu names change, so check there if a label looks different. Start read only and keep sends, writes and credit spend on approval.
Yes. 1Lookup runs its own official MCP server at https://app.1lookup.io/api/mcp, so an AI assistant such as Claude, ChatGPT or Cursor can work inside 1Lookup with your own account and permissions.
The server URL is https://app.1lookup.io/api/mcp. Paste it into your AI app as a custom connector or remote MCP server.
Yes. You sign in with your own 1Lookup account when you add the connector, and the assistant only sees what your account can see.
At our last check, 27 minutes ago, it was live. Answered with an MCP sign-in challenge, so the server is up and asks for your account.
An official server only lets the assistant see and do what your own 1Lookup account allows. Start read only, keep anything that sends, writes or spends credits on approval, and check whether your admin needs to approve the connection.
From the Work Insiders directory, where 1Lookup's MCP server is checked against 1Lookup's own documentation. Status is checked once a day, so it can lag a real outage by up to a day. Vendors cannot pay to be listed here. How we make money.