Tools from jobs, not endpoints
Design a small task-shaped tool set from the jobs agents must complete. Never mirror REST 1:1.
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Task-shaped tools, pagination and truncation discipline, real auth, destructive-operation safety, and an eval harness that measures whether models actually complete the job.
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Design a small task-shaped tool set from the jobs agents must complete. Never mirror REST 1:1.
Pagination, truncation markers, and per-tool size budgets so models stop flooding context.
Authenticate callers and propagate end-user identity to your API in code, not in prompts.
Contract tests plus opt-in task evals. Optimize on task success and wrong-tool rate.
The skill pairs with Build AI SDK Agent Evals for dataset and scorer conventions when you measure task success with a real agent in the loop.
A billing API exposed as a handful of task-shaped tools instead of forty endpoint mirrors.
A remote Streamable HTTP server with OAuth and audit logs other companies can call safely.
A delete_project tool that refuses unconfirmed destructive calls in the harness.
An existing MCP server models misuse: diagnose with wrong-tool metrics, then edit descriptions.
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Lifecycle skills and UI craft skills