zpl-engine-mcp
by cicicalex
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| ZPL_MODE | No | Set to 'pure' (default) to hide AIN scores from AI on text-eval tools, or 'coach' to expose them. | pure |
| ZPL_API_KEY | Yes | Your ZPL user API key (zpl_u_...), required for most tools. Optional for zpl_about and zpl_validate_input. | |
| ZPL_ENGINE_URL | No | Engine base URL. | https://engine.zeropointlogic.io |
| ZPL_RATE_LIMIT | No | Max requests per minute (clamped 1-600). | 60 |
| ZPL_STORE_PATH | No | Local history storage path (legacy alias: ZPL_STORE_DIR). | ~/.zpl-engine/ |
| ZPL_BUDGET_WARN | No | Token budget warning threshold. | 500 |
| ZPL_MAX_RETRIES | No | Retry count for transient engine failures (clamped 0-5). | 2 |
| ANTHROPIC_API_KEY | No | Required for the 8 AI Eval tools (zpl_consistency_test, etc.). | |
| ZPL_ENGINE_HOST_ALLOWLIST | No | Comma-separated extra allowed hostnames for self-hosted engines. | |
| ZPL_ENGINE_DISABLE_URL_GUARD | No | Set to '1' to disable hostname allowlist (dangerous). | |
| ZPL_ENGINE_ALLOW_INSECURE_LOCAL | No | Set to '1' to allow HTTP to localhost. |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
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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