Penny
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| PENNY_MODEL | Yes | Model identifier accepted by the endpoint | |
| PENNY_API_KEY | No | x-api-key credential | |
| PENNY_BASE_URL | Yes | Endpoint root before /v1/messages | |
| PENNY_ENV_FILE | No | Override settings-file location | |
| PENNY_AUTH_TYPE | No | bearer or api-key | bearer |
| PENNY_MAX_TURNS | No | Maximum Claude Code worker turns | 30 |
| PENNY_AUTH_TOKEN | No | Bearer token | |
| PENNY_CLAUDE_BIN | No | Claude Code executable | claude |
| PENNY_AGENT_TIMEOUT | No | Worker timeout in seconds | 1800 |
| PENNY_MCP_STATE_DIR | No | MCP submission registry | ~/.penny |
| PENNY_CUSTOM_HEADERS | No | Optional additional headers | |
| PENNY_MCP_ALLOWED_ROOTS | Yes | Path-separated MCP repository roots |
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 |
|---|---|
| doctorB | Check that the local execution environment is ready for a repository. |
| validate_planA | Validate a YAML execution manifest without starting any work. |
| submit_planA | Validate a manifest and queue a run. Returns immediately with a run_id. |
| get_runB | Return the current state of a submitted run. |
| cancel_runB | Request cancellation of an active run. |
| get_reportB | Return the execution report for a run. |
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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