Acacian/aegis

v0.9.3 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 1mo MCP Security & Auth

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✓ No known CVEs patched

Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

agent-security ai-agent-security ai-agents ai-governance ai-safety ai-security

+14 more

audit-trail compliance guardrails langchain llm-security mcp mcp-security model-context-protocol pii-detection policy-as-code policy-engine policy-testing prompt-injection selection-governance

Summary

AI summary

New pytest plugin, pre‑commit hook, ASGI proxy server, and ActionClaim execution workflow introduced.

Full changelog

What's New

pytest plugin (auto-discovered)

pip install agent-aegis
pytest --aegis-scan                      # detect ungoverned AI calls
pytest --aegis-scan --aegis-threshold C  # fail below grade C

Registered via pytest11 entry point — no config needed.

pre-commit hook

repos:
  - repo: https://github.com/Acacian/aegis
    rev: v0.9.3
    hooks:
      - id: aegis-scan

ASGI Proxy Server

aegis proxy --listen :8080 --upstream http://mcp-server:9090

Starlette-based HTTP gateway with /health, /v1/tool-call, /v1/status, and /mcp (JSON-RPC 2.0) endpoints.

Runtime ActionClaim execution

result = await runtime.execute_claim(claim)  # full governance pipeline

Direct ActionClaim → ClaimPolicy → execute flow with justification gap assessment, monotone constraint checking, and policy evaluation.

Differentiation section in README

New "What Only Aegis Does" section: Selection Governance, Justification Gap, Tripartite ActionClaim, Monotone Trust Constraint, Full Lifecycle.

Other

GitHub Marketplace listing (Security + Code quality)
Framework :: Pytest classifier on PyPI
6167 tests passing

Full Changelog: https://github.com/Acacian/aegis/compare/v0.9.2...v0.9.3

View diff on GitHub

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About Acacian/aegis

Policy-based governance for AI agent tool calls. YAML policies, approval gates, risk assessment, and audit logging. Cross-platform: LangChain, OpenAI, Anthropic, MCP.

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