Open sourceTypeScript · ≈1.8k stars · MIT
CC Safety Net
Blocks destructive git and filesystem commands before they run.
Guard that runs before an agent's tool calls and blocks destructive git and filesystem commands and attempts to read sensitive files, across many harnesses.
Neighbours on the workbench
JavaScript · ≈292k stars · MIT
affaan-m/ECC
Agent harness performance optimization system: skills, instincts, memory and security for coding agents.
Maintained by Affaan Mustafa
JavaScript · ≈52k stars · MIT
cloudflare/security-audit-skill
Cloudflare's skill for multi-phase security audits with independently verified findings.
Maintained by cloudflare
TypeScript · ≈27k stars · MIT
promptfoo/promptfoo
Test your prompts, agents and RAG — plus red-teaming.
Maintained by promptfoo
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Maintained by · 1
- kenryu42Organisation
Similar entries · 3
- Destructive Command GuardProject
- NeMo GuardrailsProject
- TDD GuardProject
Sources
Verified Oct 29, 2026