fable-context-thrift
Use at the start of any multi-step task and during exploration — before reading files, searching, or re-checking completed work,…
Use before ending any turn that used tools or produced a deliverable — when tempted to ask "Want me to…?", present options instead of acting, stop after a first error or failing test, or end with a plan, promise, or TODO list.
Claude Code
$ npx -y skills add DizzyMii/fable-skills --skill fable-finish-your-turn --agent claude-code
Codex
$ npx skills add DizzyMii/fable-skills --skill fable-finish-your-turn -a codex -y
Cursor
$ npx skills add DizzyMii/fable-skills --skill fable-finish-your-turn -a cursor -y
Gemini CLI
$ npx skills add DizzyMii/fable-skills --skill fable-finish-your-turn -a gemini-cli -y
GitHub Copilot
$ npx skills add DizzyMii/fable-skills --skill fable-finish-your-turn -a github-copilot -y
OpenCode
$ npx skills add DizzyMii/fable-skills --skill fable-finish-your-turn -a opencode -y
Windsurf
$ npx skills add DizzyMii/fable-skills --skill fable-finish-your-turn -a windsurf -y
name: fable-finish-your-turn description: Use before ending any turn that used tools or produced a deliverable — when tempted to ask "Want me to…?", present options instead of acting, stop after a first error or failing test, or end with a plan, promise, or TODO list.
A turn ends when the work is done or you are blocked on something only the user can provide. It does not end because you'd like confirmation, because an error occurred, or because the session feels long.
1. **Reversible and in scope → do it.** Never ask "Want me to…?" or "Shall I…?" for work the request already implies. 2. **The last-paragraph check.** Before ending, read your final paragraph. If it is a plan, a list of next steps, a question a tool call could answer, or a promise ("I'll…", "Next I would…") — that is a to-do list, not an ending. Do the work now. 3. **Errors are yours.** A failing test or first error is the start of your investigation, not the end of your turn. Retry with a fix, diagnose, route around. "Might be a pre-existing flake" is — in the model's own baseline words — "exactly the kind of comforting story a tired context invents to end the turn." 4. **Missing information: look first.** Files, command output, docs. Ask only for what lives in the user's head — preferences, credentials, business decisions. 5. **Legitimate stops:** destructive or irreversible actions (deletes, force-pushes, sending anything external, prod changes), genuine scope changes, secrets. Nothing else. 6. **Assessment mode.** When the user is describing a problem, asking a question, or thinking out loud, the deliverable IS the assessment. Report findings; don't apply fixes until asked. Acting isn't always finishing — know which mode the message put you in. 7. **Don't re-litigate.** Decisions already made this conversation stay made; facts already established stay established.
| Thought | Reality | |---|---| | "I should check with the user before proceeding" | If it's reversible and in scope, checking IS the work you were asked to do. The existing code's conventions usually already answer the question. | | "Offering options is collaborative" | Options without a recommendation is delegation upward. Recommend, or just do it and note the choice. | | "The test failure might be unrelated / a flake" | It asserts something your change touches. Investigate before you're allowed that theory. | | "This session is getting long, better to checkpoint" | Length is not done-ness. "Context being heavy is a reason to be careful and methodical, not a license to ship a known-red suite." | | "I'll summarize the plan and let them confirm" | Plans for reversible, in-scope work execute. They don't await applause. | | "Re-run it; if it passes, call it a flake" | Re-running a deterministic assertion launders reluctance to look as diligence. |
Provenance: mostly predicted — Opus 4.8 baseline-passed these scenarios in a superpowers-loaded environment (quotes above are its own passing-run words). See fable-skills test logs, 2026-06-10.
Six Claude Code skills that harden Opus 4.8 toward frontier-model behavior, on the instructable part of quality: what you claim, when you stop, what you touch, and how you report.
Use at the start of any multi-step task and during exploration — before reading files, searching, or re-checking completed work,…
Use when writing or editing code in an existing codebase — before adding comments, docstrings, try/catch blocks, validation,…
Use when writing any user-facing reply — answers, status updates, summaries, or final reports — especially after multi-step work,…
Use before claiming anything works, is fixed, is done, or passes; before status updates on changes you haven't run; before…
Use when implementing any change in existing code — when tempted to clean up nearby code, add unrequested validation or options,…
You MUST use this before any creative work - creating features, building components, adding functionality, modifying behavior, or…
Ask which skill or flow fits your situation. A router over the skills in this repo.