Pinion
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| GEMINI_API_KEY | No | API key for Google Gemini (required if provider is gemini). | |
| GOOGLE_API_KEY | No | Alternative API key for Google Gemini. | |
| OPENAI_API_KEY | No | API key for OpenAI (required if provider is openai). | |
| PINION_LLM_MODEL | No | Model name override. | |
| ANTHROPIC_API_KEY | No | API key for Anthropic (required if provider is anthropic). | |
| PINION_MAX_ROUNDS | No | Max LLM re-synthesis rounds. | 3 |
| PINION_OLLAMA_URL | No | Ollama server URL (if provider is ollama). | http://localhost:11434 |
| PINION_GATEWAY_URL | No | Enterprise gateway URL (required if provider is enterprise-gateway). | |
| PINION_LLM_PROVIDER | No | LLM provider. Options: anthropic, openai, gemini, ollama, enterprise-gateway. | anthropic |
| PINION_GATEWAY_API_KEY | No | API key for enterprise gateway (required if provider is enterprise-gateway). | |
| PINION_SANDBOX_TIMEOUT | No | Timeout per case in seconds. | 5.0 |
| PINION_DEFAULT_THRESHOLD | No | Coverage threshold. | 0.8 |
| PINION_SANDBOX_MEMORY_MB | No | Memory limit per case in MB. | 256 |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| characterize_functionC | Generate characterization (regression) pytest tests for a single Python pure function. Returns a CharacterizationResult including the emitted pytest code. |
| characterize_methodA | v2: Generate characterization tests for a single Python class method. Returns a CharacterizationResult including the emitted pytest code with @pytest.fixture-based instance setup. |
| characterize_moduleA | Generate characterization tests for every pure top-level function in a module. Returns a list of CharacterizationResult, one per function (or per-function error dict). Failures don't abort the whole call. |
| health_checkA | Check Pinion configuration and LLM provider reachability. When |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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