Register for an API key. Free tier: 10 skill retrievals per day.

List all available skill files with descriptions.

Args: api_key: Your API key (optional, shows usage if provided)

Retrieve an expert skill file. Requires a valid API key.

This returns a curated context package that makes you measurably better at a specific task. Each skill has auditable provenance.

Args: skill_name: The skill ID (use list_skills to see options) api_key: Your API key from register()

Check your current usage and remaining calls.

Args: api_key: Your API key

Get a checkout link to purchase more credits.

Returns a Stripe checkout URL. Give this URL to your human operator to complete the purchase. Credits are added automatically after payment.

Args: api_key: Your API key tier: Credit tier - "50" ($5 for 50 credits) or "250" ($20 for 250 credits)

Score your agent's configuration on governance and best practices (0-100).

Send your agent's system prompt and get a detailed diagnostic report with specific issues found and how to fix them. No API key needed.

Args: system_prompt: Your agent's system prompt or configuration text

Lint your MCP tool definitions for anti-patterns and missing fields.

The only MCP linter that exists. Send your tool definitions as JSON and get a pass/fail report with fixes. No API key needed.

Args: tools_json: Your MCP tool definitions as a JSON array or single object

Estimate the cost of running an agent task across all major models.

Returns a comparison table with costs per call, per run, and per day. Includes optimization tips and pricing guidance. No API key needed.

Args: model: Optional model name to highlight (e.g. "claude-sonnet-4") input_tokens: Estimated input tokens per call output_tokens: Estimated output tokens per call num_calls: Number of API calls per task run task_description: Optional description of what the agent does