Heimdall

Our assessment of Heimdall

Maintenance, license and trust

• The repository was last updated about 4 months ago. That is recent enough to be usable, but agent tooling moves fast, so check the instructions against your agent's current version.
• Our last check on 2026-10-21 found the source still online.
• It is released under GPL-3.0, a copyleft license: you can use it, but modified versions you distribute must carry the same license.
• Its trust signals score 90/100, with 1 caution from licensing, adoption, age or documentation. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.

Heimdall compared with similar skills

All 4 of these similar skills score higher than Heimdall; compare them before choosing.

Frequently asked questions

How do I install Heimdall?

Run claude mcp add 2alf -- npx -y github:2alf/Heimdall. The install tabs above show the steps for each supported agent.

Which AI agents does Heimdall work with?

It is written for Claude Code, Claude Desktop and Cursor, as a MCP Server file. Other agents that read the same format can often use it too.

Is Heimdall safe to use?

It is GPL-3.0-licensed and scores 90/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.

Is Heimdall still maintained?

The repository was last updated about 4 months ago. That is recent enough to be usable, but agent tooling moves fast, so check the instructions against your agent's current version.