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Aggregators and gateways · MCP server

OpenOSINT: MCP server, setup and security

OpenOSINT is an open-source MCP server published on GitHub that lets an AI agent investigate emails, breaches, IP addresses and domains using OSINT tools. Its repository has 1,802 stars and its last commit is from October 22, 2026 and it is licensed under MIT.

Actively maintainedNeeds secretsTop 10% by stars

What OpenOSINT does

According to its repository: “AI-powered OSINT agent & MCP server. 21 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.”

The Model Context Protocol (MCP) is a standard plug between an AI agent and an outside service: once the server is connected, its tools show up in the agent, which decides when to call them. OpenOSINT is listed under Aggregators and gateways, a category of 141 servers in the directory, where it ranks #9 by stars.

Topics declared by the repository: ai-agent, anthropic, claude, cybersecurity, osint, python.

Installing and connecting OpenOSINT

Distribution modes declared in the official MCP registry:

  • PyPI package (Python, started with uvx or pip)

It works with any MCP-compatible client (Claude Desktop, Claude Code, Cursor, VS Code, Codex and most recent agents). You add one entry to the client's MCP configuration: server name, start command or URL, environment variables. Project language: Python.

The registry lists 5 secret variables to provide (API key, access token). Keep them in the client's environment variables, never in a shared file or a repository.

Security: what to check

Connecting an MCP server means installing software that talks straight to your agent: it runs with your rights and the model trusts its tool descriptions. The risk therefore depends on what it can touch and how far its code can be trusted.

Points found for OpenOSINT:

  • Secrets: the server acts with your credentials. Create a dedicated key with minimum rights and an expiry date.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on May 6, 2026, the OpenOSINT/OpenOSINT repository has 1,802 stars and 281 forks, with 13 open issues. It has more stars than 94% of the servers in the directory. It received changes this month. Version published in the registry: 2.36.1 (October 19, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

PaperclipPaperclip : 106.8K106.8KOpenWork MCP GatewayOpenWork MCP Gateway : 24.2K24.2KGitDiagramGitDiagram : 18.4K18.4KAIHOTAIHOT : 8.5K8.5KBasebalance.cloud — x402 RPCBasebalance.cloud — x402 RPC : 7.5K7.5KTreg.toTreg.to : 6K6KMockserver monorepoMockserver monorepo : 5K5KDBHubDBHub : 3.7K3.7KOpenOSINTOpenOSINT : 1.8K1.8K
GitHub stars of the most followed servers in the category (log scale); OpenOSINT in orange. Checked October 25, 2026.

Verdict

OpenOSINT is one of the most solid servers in its category: followed, maintained and well framed.

Strengths

  • Active project: recent commit
  • Widely followed: 1.8K stars
  • Listed in the official MCP registry
  • Permissive licence (MIT)

Limitations

  • Requires an API key or token

Avoid if…

  • You do not want to give credentials to an agent

Frequently asked questions

How do I install OpenOSINT?

OpenOSINT is distributed as PyPI package (Python, started with uvx or pip). Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of OpenOSINT/OpenOSINT.

Is OpenOSINT free?

The code is published under the MIT licence and can be used free of charge. It needs an API key: the service it connects to may be paid.

Is OpenOSINT safe?

Points to watch: secrets. Give it minimum rights and approve sensitive actions.

Is it an official server?

Nothing says so: it is a project published by OpenOSINT on GitHub. Check who maintains it before giving it access.

What are the alternatives to OpenOSINT?

In the same category: GitDiagram, Mockserver monorepo, Paperclip, and Basebalance.cloud — x402 RPC & MCP gateway. GitDiagram scores higher on our grid.

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