agentassert-typec-proxy
HTTP forwarding proxy — formal behavioral contracts middleware with zero code change.
This is the flagship. Drop it between any agent harness and any LLM API. Set one env var. Done.
Quickstart
pip install agentassert-typec-proxy
agentassert-proxy proxy start --contract contract.yaml
Then in your agent environment:
export ANTHROPIC_BASE_URL=http://localhost:9000/anthropic
export OPENAI_BASE_URL=http://localhost:9000/openai
Supported Providers
| Provider | Route Prefix | Env Var |
|---|---|---|
| Anthropic | /anthropic |
ANTHROPIC_BASE_URL |
| OpenAI | /openai |
OPENAI_BASE_URL |
| Gemini | /gemini |
GEMINI_BASE_URL |
| OpenRouter | /openrouter |
OPENROUTER_BASE_URL |
Endpoints
| Method | Path | Description |
|---|---|---|
GET |
/health |
Health check, returns contract name and Θ |
GET |
/status |
Full status: Θ, JSD, violation count |
POST |
/admin/reload |
Trigger contract hot-reload |
Performance
- p99 overhead < 30ms (excluding provider RTT)
- All regex patterns pre-compiled at startup
- Hot-reload via SHA256 file polling (500ms interval)
- Fail-safe: invalid contract → keeps old monitor
License
MIT
1 maintainer
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