Redstamp
Description
own your agent security — a deterministic, offline firewall for AI agent tool calls. Blocks secret exfil, prompt injection and destructive commands before they run; same call, same verdict, no model in the decision path. 100% recall / 100% precision on a 298-sample corpus, scored in CI against live rivals. Claude Code hook or MCP proxy.
Installation
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open the source below and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
README
redstamp
**A deterministic, offline firewall for AI agent tool calls.**
Same call → same verdict, every time. No model in the decision path. Zero runtime dependencies.
[](https://github.com/askalf/redstamp/releases/latest) [](https://github.com/askalf/redstamp/actions/workflows/ci.yml) [](https://github.com/askalf/redstamp/actions/workflows/codeql.yml) [](https://scorecard.dev/viewer/?uri=github.com/askalf/redstamp) [](LICENSE) [](package.json) [](https://github.com/askalf/redstamp/releases/latest) [](SECURITY.md)
[Quick start](#quick-start) · [Scoreboard](#the-scoreboard) · [How it decides](#how-it-decides) · [Surfaces](#every-surface-an-agent-uses) · [Integrating](INTEGRATING.md) · [Threat model](SECURITY.md)
import { check, AuditLog } from '@askalf/redstamRelated Skills
Fastapi Review
Review a FastAPI application for architecture, async correctness, dependency injection, Pydantic schemas, secu
Defense in Depth
Implement multi-layered testing and security best practices.
SecLists Official Repository
[OWASP Testing Guide](https://owasp.org/www-project-web-security-testing-guide/)
Threat Hunting with Sigma Rules
Use Sigma detection rules to hunt for threats and analyze security events
Maintenance Walkthrough - 2026-03-29
- Re-triaged the full 2026-03-15 security finding set against current `main` and wrote a fresh current-head re
Google Workspace Model Armor
Filter user-generated content for safety
