claude

fable-mode

Make Claude Opus 4.8 behave like Claude Fable 5 — doctrine output style, drift-catching hooks (stop-gate, tool discipline, honesty nudges), and an eval loop against golden Fable transcripts.

3 on GitHubby rennf93v0.1.3MITupdated 10 days agodevelopment
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Plugin fable-mode from marketplace rennf93 in rennf93/agent-runway. Commands read from the repo's manifest — 10 days ago.

This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.

What it installs

Skills (3)

  • fable-fanout

    Use when a task involves 2+ independent units of work (files, modules, questions) or any broad codebase sweep — enforces Fable's delegation-first parallel orchestration.

  • fable-turn-check

    Use before ending any turn that involved multi-step work — Fable's end-of-turn gate catches promised-but-undone work, buried findings, and unverified claims.

  • fable-voice

    Use when about to write your final reply, a summary, PR description, commit message, or any user-facing conclusion — enforces Fable's outcome-first, prose-first communication contract.

Slash commands (2)

  • /fable-mode:fable-eval

    Run the fable-mode eval suite (probes → pairwise judge → report). Costs tokens — runs headless claude many times. Optional arg: a probe id substring to filter.

  • /fable-mode:fable-status

    Report fable-mode posture — output style, model/effort, hook telemetry drift counts

Subagents (1)

  • critic

    Adversarial verifier. Use PROACTIVELY before claiming a nontrivial change is done, fixed, or passing — give it the claim plus the relevant diff/paths and it attempts to refute the claim with evidence.

Hooks (7)

  • SessionStart

    "${CLAUDE_PLUGIN_ROOT}/hooks/session-start.sh"

  • UserPromptSubmit

    "${CLAUDE_PLUGIN_ROOT}/hooks/prompt-nudge.sh"

  • Stop

    "${CLAUDE_PLUGIN_ROOT}/hooks/stop-gate.sh"

  • SubagentStop

    "${CLAUDE_PLUGIN_ROOT}/hooks/stop-gate.sh" subagent

  • PreToolUse

    "${CLAUDE_PLUGIN_ROOT}/hooks/bash-discipline.sh"

  • PostToolUse

    "${CLAUDE_PLUGIN_ROOT}/hooks/honesty-nudge.sh"

  • PreCompact

    "${CLAUDE_PLUGIN_ROOT}/hooks/precompact.sh"

View source on GitHub

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