Try Quesen free.

Self-serve, instant, no signup. One call returns a sandbox key with 1000 starter credits:

curl -X POST https://web-production-3df26.up.railway.app/sandbox/keys

Then send a typed security context to POST https://web-production-3df26.up.railway.app/tsc/validate with header X-API-Key: sk_sandbox_... and gate your agent on the returned PASS/REVIEW/BLOCK/SKIP decision.

Install Quesen

pip install quesen-sdk        # Python
npm i quesen-sdk              # JavaScript / TypeScript
pip install quesen-langchain  # LangChain
pip install quesen-crewai     # CrewAI
pip install quesen-autogen    # AutoGen

Free sandbox key (no signup, no card): curl -X POST https://web-production-3df26.up.railway.app/sandbox/keys