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AgentData

Official registry AI and agents

Free company data for AI agents: profiles, tech stacks, contact details and people. No sign-in.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http agentdata 'https://mcp.agentdata.run/mcp' --header 'Authorization: <Optional. Bearer YOUR_API_KEY (free at agentdata.run/signup) for personal email addresses.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "agentdata": {
            "type": "http",
            "url": "https://mcp.agentdata.run/mcp",
            "headers": {
                "Authorization": "<Optional. Bearer YOUR_API_KEY (free at agentdata.run/signup) for personal email addresses.>"
            }
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. AgentData MCP Server
  2. Quick start
  3. Tools
  4. Limits
  5. Example prompts
  6. Run from source
  7. Links

AgentData MCP Server

Free company data for AI agents, as MCP tools. AgentData profiles companies from the public web: tech stacks, web signals (pricing page, free trial, API docs, careers), email addresses with their verification status, people with titles, and switch signals (who just dropped or adopted a tool).

Works with Claude, Claude Code, ChatGPT, Codex, Gemini, Cursor, Windsurf, VS Code, GitHub Copilot, Zed, Cline and any other MCP client.

Quick start

No key is needed to look up a company's public profile, search companies, browse technologies or read switch signals. Emails and people need a free API key (1,000 contact reveals a day, no card): sign up at agentdata.run/signup and copy the key from agentdata.run/settings.

ChatGPT and Codex

AgentData is in ChatGPT's plugin directory: open Plugins in the sidebar, search AgentData (by DragApp.com Ltd) and choose Install plugin (open in ChatGPT). No sign-in: the company, technology and signal tools work straight away. Type @AgentData to use it in a chat. In Codex, open Sources, choose Use plugins and select AgentData.

Claude (claude.ai, Desktop, mobile)

Settings, Connectors, Add custom connector, then paste:

https://mcp.agentdata.run/mcp

No sign-in: the company, technology and signal tools work straight away.

Claude Code
claude mcp add agentdata -- npx -y agentdata-mcp-server --api-key YOUR_API_KEY
Claude Desktop, Cursor, Windsurf, VS Code, Cline

Add to the client's MCP config (claude_desktop_config.json, .cursor/mcp.json, mcp.json):

{
  "mcpServers": {
    "agentdata": {
      "command": "npx",
      "args": ["-y", "agentdata-mcp-server", "--api-key", "YOUR_API_KEY"]
    }
  }
}

Leave out --api-key to run anonymously (company profiles, technologies and signals; no emails or people).

Hosted (no install)
https://mcp.agentdata.run/mcp

Streamable HTTP. Send Authorization: Bearer YOUR_API_KEY for emails and people; without a header it serves the anonymous tools. In Claude Code:

claude mcp add agentdata --transport http https://mcp.agentdata.run/mcp --header "Authorization: Bearer YOUR_API_KEY"

Tools

ToolWhat it returnsCostKey
lookup_companyOne domain's record: company, tech stack (first and last seen), signals, email pattern. With a key, also email addresses and peoplenone without a key; with a key 1 reveal per domain per 30 daysno
search_companiesCompanies by name or by sector, size (estimate), b2b/b2c, model, technology, countrynoneno
get_technologiesThe technology index, or companies using one technologynoneno
get_signalsCompanies that added, removed or switched a tool; growth and hiring changesnoneno
find_peoplePeople by title, seniority, department, company filtersnone without a key (the first 20 matches, no emails); with a key 1 reveal per company in the responseno
get_personOne person by id, with email1 reveal (free if the company was revealed in the last 30 days)yes
check_usagePlan and what is left todaynoneno

Every response ends with a usage line (reveals, requests and companies left), so an agent can pace itself. A domain that has not been profiled yet is crawled on request and answers "retry in about two minutes" without charging. Without a key, get_person is not listed and find_people returns the first 20 matches.

Limits

AnonymousFree keyPro ($99 a year)
Contact reveals a daynone1,00010,000
Requests per 5 hours3005,00025,000
Requests a second2520
Distinct companies a day2005,00025,000

Nothing else is metered. Details at useagentdata.com/pricing.

Example prompts

  • "Which SaaS companies use Intercom? Give me small ones with a pricing page."
  • "Look up linear.app: tech stack, and who runs engineering."
  • "Who dropped Zendesk in the last 30 days?"
  • "Find heads of sales at fintech companies that use HubSpot, with email addresses."
  • "How many contact reveals do I have left today?"

Run from source

npm install
npm run build
node dist/index.js --api-key YOUR_API_KEY      # stdio
node dist/index.js --http --port 3001          # Streamable HTTP on POST /mcp, 127.0.0.1 only
node dist/index.js --help

AGENTDATA_API_KEY, PORT and HOST work as environment variables. npm run inspect opens the MCP Inspector.

The HTTP server binds to 127.0.0.1 by default and only answers local pages, so a key you start it with cannot be used by other sites or other machines. --host 0.0.0.0 makes it public; in that mode the startup key is ignored and every caller must send its own Authorization: Bearer key.

MIT licence.

Frequently asked questions

What is AgentData?

Free company data for AI agents: profiles, tech stacks, contact details and people. No sign-in.

How do I install AgentData?

It runs as a remote server. In Claude Code: claude mcp add --transport http agentdata 'https://mcp.agentdata.run/mcp' --header 'Authorization: <Optional. Bearer YOUR_API_KEY (free at agentdata.run/signup) for personal email addresses.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does AgentData need an API key?

Yes. It expects Authorization, which you set in its configuration.

Is AgentData open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains AgentData?

It is published by nick-timms. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.