{"slug":"jeffallan-cpp-pro","source_name":"jeffallan/cpp-pro","name":"Jeffallan/Cpp Pro","description":"Writes, optimizes, and debugs C++ applications using modern C++20/23 features, template metaprogramming, and high-performance systems techniques. Use when building or refactoring C++ code requiring concepts, ranges, coroutines, SIMD optimization, or careful memory management — or when addressing performance bottlenecks, concurrency issues, and build system configuration with CMake.","version":1,"lift":{"pass_rate_delta_pts":31.82,"pass_rate_pct":59.1,"total_cases":22,"passed_cases":13,"tokens_delta_pct":31.1,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-12T14:16:22.365485+00:00"},"skill_score":0.5909,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":31.82,"with_pass_pct":59.1,"without_pass_pct":27.3,"tokens_delta_pct":31.1,"turns_delta_pct":0,"total_cases":22,"cases_aggregated":22,"verdict":"mixed","never_hurt":false,"completed_at":"2026-08-12T14:16:22.365485+00:00","run_id":"250e7972-ceca-4875-b4c9-42d9cf8c20b4","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"128165775df15429b108c15abda4106cb1c7c518306c3b898f40d800bb2e5fc5","raw_url":"https://app.decimal.ai/s/jeffallan-cpp-pro/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/jeffallan-cpp-pro"}