Pinned Tweet
We rebuilt every game on APit.fun. 13 tiny daily games that open in under a second. No install, no account. Same puzzle for everyone, every day. 🧵
We gave a boss to five blind AI playtesters. Zero of seventeen runs got past it. So we taught the angle and tuned the wall. Link in bio.
Tessera No. 18 · today’s board, par 570. Same board for everyone. Reply with your score. Link in bio.
Chess, Oct 19: White to move, mate in 2. Five tries. Same board for everyone. Reply with your score. Link in bio.
Tessera No. 16 · today’s board, par 620. Same board for everyone. Reply with your score. Link in bio.
The full ranked list of Claude Code skills, plugins and MCP servers lives on GitHub too, with Verified Working results in the header.
If it saved you from installing something broken, a star helps other people find it.
github.com/the911fund/skill-…
Chess, Oct 17: White to move, mate in 3. Five tries. Same board for everyone. Reply with your score. Link in bio.
How we check that a Claude Code tool actually works:
1. Pin the repo to a commit
2. Install it in a fresh Claude Managed Agents sandbox, no secrets
3. A deterministic harness, not the model, records what happened
437 run. 565 load clean. 14 fail, each one checked by hand.
Tessera No. 14 · today’s board, par 840. Same board for everyone. Reply with your score. Link in bio.
Stars say a repo is popular. They don't say it works.
So we tested 1,336 Claude Code skills, plugins and MCP servers, each in a fresh Claude Managed Agents sandbox at a pinned commit.
1,000+ now carry a ✅ Verified Working badge.
skills.911fund.io/tools?veri…










