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Beelzebub

Security and IT operations teams that want to detect misuse of AI agents by placing decoy tools in their environment.

  • Recommendedour rating
  • 2,192gitHub stars
  • GPL-3.0licence
  • 10 days agolast update
git clone https://github.com/beelzebub-labs/beelzebub.git

What it does

An open-source deception framework that lets you deploy decoy services and record how they are used. It can build decoy MCP tools that an agent would never call in normal work, so any use of them points to prompt injection or malicious agent behavior. Services and responses are defined in YAML.

Use cases

  1. 01Add decoy MCP tools to spot prompt injection attempts
  2. 02Record what an attacker does against a fake service
  3. 03Collect interaction logs as evidence for an investigation

Questions about
Beelzebub.

What is Beelzebub used for?

Security and IT operations teams that want to detect misuse of AI agents by placing decoy tools in their environment. An open-source deception framework that lets you deploy decoy services and record how they are used. It can build decoy MCP tools that an agent would never call in normal work, so any use of them points to prompt injection or malicious agent behavior. Services and responses are defined in YAML.

How do I install Beelzebub?

Run this in your terminal: git clone https://github.com/beelzebub-labs/beelzebub.git

Is Beelzebub open source?

Yes. The code is on GitHub (beelzebub-labs/beelzebub) under the GPL-3.0 licence.

Is Beelzebub safe to use?

It passed our automatic scan for credential theft, hidden instructions and risky install commands. Third party open source software. Sabemos AI does not maintain it. Check the code and permissions before you connect it to company data.