{"slug":"testdouble-design-an-api","source_name":"testdouble/design-an-api","name":"Testdouble/Design An API","description":"Designs the contract for an API change inside one codebase — a component's props, a function surface, URL or query parameters, an event payload, or a module boundary — through a discovery pass, an options document with one recommendation, a question round, and an adversarial validation round, with every element of the contract justified from one stated goal. Use when you want to design, shape, decide, or nail down an interface, contract, signature, or API change for a capability you can already ","version":2,"lift":{"pass_rate_delta_pts":null,"pass_rate_pct":20,"total_cases":25,"passed_cases":5,"tokens_delta_pct":425.1,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-09-26T11:53:25.308143+00:00"},"skill_score":null,"benchmark_models":[{"model":"gemini-3.6-flash","headline":false,"delta_pts":null,"with_pass_pct":null,"without_pass_pct":null,"tokens_delta_pct":425.1,"turns_delta_pct":0,"total_cases":25,"cases_aggregated":5,"verdict":"mixed","never_hurt":false,"completed_at":"2026-09-26T11:53:25.308143+00:00","run_id":"106080f1-995e-4f9a-a874-a57d45a15075","latest_attempt":{"id":"106080f1-995e-4f9a-a874-a57d45a15075","runner_model":"gemini-3.6-flash","overall_verdict":"mixed","completed_at":"2026-09-26T11:53:25.308143+00:00","gate":"underpowered"},"version_number":2,"is_latest_version":true,"gate":"underpowered"}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"total_uses":0,"total_users":0,"manifest_hash":"72cf9034d09fa6cad984093abe49d77085caafb147795333f7e68e849dcace4b","install_name":"testdouble-design-an-api","version_id":"8c35a89c-82d7-4cdb-abcc-a69b40b14ca1","body_sha256":"72cf9034d09fa6cad984093abe49d77085caafb147795333f7e68e849dcace4b","render_hash":"8439d8e08ac1dcd20c9c3fccdcc44e99f3807f3c9933116e7bd95b755380a9fe","raw_url":"https://app.decimal.ai/s/testdouble-design-an-api/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/testdouble-design-an-api"}