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← LibraryBuilder · B12

One real build, start to finish

Build-along · ~30 min at your own keyboard

Every lesson so far trained one move. This one runs them in order on a real piece of your own work, because the moves only pay off together. Grill: the AI interviews you, one question at a time, until you agree on what you are making. Most bad work starts with a misunderstanding nobody surfaced. Spec: that agreement goes into a one-page document, written before anything is drafted. Tickets: the spec is cut into small pieces. Each one can be finished and checked on its own, and each is a thin slice you could hand to someone, not one layer of everything. Build: one piece per fresh session, with the spec and that piece as the context, and a check before the next piece starts. Review: a new session that never saw the work reads the result against the spec and reports what is wrong. Then a short retro, so the next one goes better. The spec and the tickets are also your handoff. Any new session can pick up from them, so a full context window never strands the work. What you build here is work you owe someone, a package, a memo or a plan. It is not software.

Where these ideas come from: Grilling, Spec, The grill-me skill, The grill, spec, tickets and review skills, Clearing, Handoff artifact, Sycophancy (AI Hero dictionary and open-source skills library (MIT)). Paraphrased here.

Skill to keep · Brief

Write the one page brief

Turns what you agreed into one page you can hand to any chat as standing context.

Example. Brief for the family update. Problem: families hear about the week too late. Result: one short message each Friday with topics and what to practice. Out of scope: grades and anything about one student.

Where to save it
  • Claude. Upload the skill folder as a skill, or paste the text into a Project's instructions. In Claude Code, put the folder in your skills folder.
  • ChatGPT. Paste the text into a Project's instructions or a custom GPT's instructions, or into your custom instructions.
  • Gemini. Paste the text into a Gem's instructions.
  • Copilot. Paste the text into a Notebook's instructions, or keep it in a file you attach when you need it.
  • Any other assistant. Keep the file. Paste it at the start of a chat, then say which job you are on.

Then run it on one real piece of work and change the wording until it sounds like you.

Licence and credit

This skill is adapted from the to-spec skill in an open source set, the skills library. The wording and examples are rewritten for your work. The original licence travels with it. Every download carries NOTICE.md, and the copied text ends with a credit line.

MIT License

Copyright (c) 2026 Matt Pocock

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Skill to keep · Jobs

Cut it into small jobs

Cuts the brief into jobs that each work alone, and marks which ones need your OK.

Example. 1 List this week's topics and homework (check: matches my plan). 2 Draft the family message. 3 Send it, which needs my OK and is blocked by 2.

Where to save it
  • Claude. Upload the skill folder as a skill, or paste the text into a Project's instructions. In Claude Code, put the folder in your skills folder.
  • ChatGPT. Paste the text into a Project's instructions or a custom GPT's instructions, or into your custom instructions.
  • Gemini. Paste the text into a Gem's instructions.
  • Copilot. Paste the text into a Notebook's instructions, or keep it in a file you attach when you need it.
  • Any other assistant. Keep the file. Paste it at the start of a chat, then say which job you are on.

Then run it on one real piece of work and change the wording until it sounds like you.

Licence and credit

This skill is adapted from the to-tickets skill in an open source set, the skills library. The wording and examples are rewritten for your work. The original licence travels with it. Every download carries NOTICE.md, and the copied text ends with a credit line.

MIT License

Copyright (c) 2026 Matt Pocock

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Skill to keep · Do

Do one job and check it

Does one job from the list, checks it, and stops at anything that needs your OK.

Example. I paste job 2, draft the family message. It drafts it, checks the topics against my plan, and reports one homework item that does not match.

Where to save it
  • Claude. Upload the skill folder as a skill, or paste the text into a Project's instructions. In Claude Code, put the folder in your skills folder.
  • ChatGPT. Paste the text into a Project's instructions or a custom GPT's instructions, or into your custom instructions.
  • Gemini. Paste the text into a Gem's instructions.
  • Copilot. Paste the text into a Notebook's instructions, or keep it in a file you attach when you need it.
  • Any other assistant. Keep the file. Paste it at the start of a chat, then say which job you are on.

Then run it on one real piece of work and change the wording until it sounds like you.

Licence and credit

This skill is adapted from the implement skill in an open source set, the skills library. The wording and examples are rewritten for your work. The original licence travels with it. Every download carries NOTICE.md, and the copied text ends with a credit line.

MIT License

Copyright (c) 2026 Matt Pocock

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Skill to keep · Look back

Look back and fix the setup

After a piece of work or a week, it suggests changes to your setup so the next run goes better.

Example. It notices it kept guessing reading levels, and suggests a references file for my class profile with no names. It suggests moving my never-do list to the top of the map file.

Where to save it
  • Claude. Upload the skill folder as a skill, or paste the text into a Project's instructions. In Claude Code, put the folder in your skills folder.
  • ChatGPT. Paste the text into a Project's instructions or a custom GPT's instructions, or into your custom instructions.
  • Gemini. Paste the text into a Gem's instructions.
  • Copilot. Paste the text into a Notebook's instructions, or keep it in a file you attach when you need it.
  • Any other assistant. Keep the file. Paste it at the start of a chat, then say which job you are on.

Then run it on one real piece of work and change the wording until it sounds like you.

Licence and credit

This skill is adapted from the retro skill in an open source set, the skills library. The wording and examples are rewritten for your work. The original licence travels with it. Every download carries NOTICE.md, and the copied text ends with a credit line.

MIT License

Copyright (c) 2026 Matt Pocock

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Six skills in all, one for each step of the flow. See the whole kit

Do this

0/7

Share what happened

Paste the spec (trimmed to the essentials), the ticket list with how each one was checked, the review findings with what you did about each, and your three retro lines.