{"id":"2035379469322776911","url":"https://x.com/mikefutia/status/2035379469322776911","text":"Self-improving Claude Code skills are f*cking ridiculous 🤯\n\nOne loop → 10 test runs, scored against an eval, prompt rewritten, retested, winner kept.\n\nA hook writer skill went from 32/50 to 47/50 overnight.\n\nAll inside Claude Code.\n\nPerfect for DTC brands and agencies who have built Claude Code skills but the output is still inconsistent — great 70% of the time, unusable the other 30%.\n\nIf you've been manually tweaking your skill prompts one run at a time, re-reading outputs, adjusting instructions based on vibes, and never quite getting the consistency you need...\n\nThis method eliminates the entire loop:\n\n→ You define 3-5 binary eval criteria for your skill\n→ Claude runs the skill 10 times with varied inputs\n→ A separate evaluator scores every output against your criteria\n→ It identifies the most common failure patterns\n→ Rewrites the skill prompt to fix what's failing\n→ Retests and keeps the winner\n→ Repeats until the score plateaus\n\nNo manual prompt tweaking.\nNo reviewing every output by hand.\nNo \"it worked that one time but I can't reproduce it.\"\n\nWhat you get:\n\n→ A skill prompt that's been through 50+ automated test runs\n→ A scored improvement log showing exactly what changed and why\n→ Eval criteria you can reuse every time you update the skill\n→ A method that works on any skill: hooks, briefs, ad copy, scripts, reports\n\nInspired by @karpathy's auto research repo, the same loop AI labs use to improve their own models, applied to your creative workflow.\n\nI put together a full playbook showing how to set up the eval, the exact Claude Code prompt for the improvement loop, and starter eval criteria for the 5 most common DTC creative skills.\n\nWant the playbook for free?\n\n> Like this post\n> Comment \"IMPROVE\"\n\nAnd I'll send it over (must be following so I can DM)","author":{"name":"Mike Futia","username":"mikefutia","avatarUrl":"https://pbs.twimg.com/profile_images/1923873453498646528/wNZGnvlf_200x200.jpg"},"createdAt":"Sat Mar 21 15:34:15 +0000 2026","engagement":{"replies":501,"retweets":53,"likes":830,"views":57745},"media":{"photos":[],"videos":[{"url":"https://video.twimg.com/amplify_video/2035379415534968833/vid/avc1/1280x720/5j8Ipk6ufmnhfBdc.mp4?tag=14","thumbnailUrl":"https://pbs.twimg.com/amplify_video_thumb/2035379415534968833/img/U2aqbcLblpZE3REL.jpg","width":1280,"height":720,"duration":8.3}]},"adhxContext":{"savedByCount":1,"publicTags":[],"previewUrl":"https://adhx.com/mikefutia/status/2035379469322776911"}}