Best Open Source Alternatives to Cobalt Strike

2 open-source tools that can replace Cobalt Strike. Compare tech stacks, licenses and stars below.

MCP

Open-source red teaming platform with AI agent, multi-platform support, and 100+ MITRE ATT&CK modules.

5.3k·Developer Tools·Open source

Alternative to

MCPAGPL-3.0

Open-source AI red team harness with 13+ agents, 176+ MCP tools, and 7,600+ attack skills for autonomous pentesting.

1.9k·AI Agents·Open source

Alternative to