Sunglasses

Sunglasses is an open source filter that blocks prompt injection, MCP tool poisoning and credential exfiltration before they reach your AI agent. 1,124 tested patterns across 84 attack categories, shipping daily. Runs fully local. No cloud, no account, no telemetry. pip install sunglasses, gate PRs with the GitHub Action or paste any GitHub repo at sunglasses.dev/scan to see what your agent would swallow. MIT licensed with a reproducible benchmark inside the repo.