plan-tune

plan-tune is a skill for Claude Code from timurgaleev/vibestack. It costs 86 tokens per session (5,858 once invoked), scanned A, original, MIT.

A question-preference and developer-profile tool for a set of coding-agent workflows. It records which questions appear, lets you set rules such as never ask or always ask, and shows declared and observed preferences.

In plain words
What is it for?
It helps tune clarification questions, inspect your developer profile, review question history, and turn question tuning on or off.
Why use it?
It helps reduce repeated questions and adjust future interactions to match how you prefer to work. It also makes the agent’s understanding of your working style visible.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: names the AskUserQuestion tool; mentions Codex.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/timurgaleev/vibestack/plan-tune
Any agent
npx skills add timurgaleev/vibestack --skill plan-tune
Clone the repo
git clone --depth 1 https://github.com/timurgaleev/vibestack

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for plan-tune

README.md
[![agentmods](https://agentmods.dev/badge/skills/timurgaleev/vibestack/plan-tune.svg)](https://agentmods.dev/skills/timurgaleev/vibestack/plan-tune)
Your own site
<a href="https://agentmods.dev/skills/timurgaleev/vibestack/plan-tune"><img src="https://agentmods.dev/badge/skills/timurgaleev/vibestack/plan-tune.svg" alt="Measured on agentmods" height="20"></a>
Per session 86 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,858 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00086 $0.05858
Opus 5 $0.00043 $0.02929
Sonnet 5 $0.00017 $0.01172
Haiku 4.5 $0.00009 $0.00586

Measured 2d ago against content hash 770d08b7c25a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

plan-tune scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/plan-tune/SKILL.md · 525 lines

How it starts

The opening of the file, as written. The whole thing — 525 lines — stays where its author put it; the contents beside it link to each section on GitHub.

When to invoke

Use when asked to "tune questions", "stop asking me that", "too many questions", "show my profile", "what questions have I been asked", "show my vibe", "developer profile", or "turn off question tuning".

Proactively suggest when the user says the same vibestack question has come up before, or when they explicitly override a recommendation for the Nth time.

Preamble

eval "$(~/.vibestack/bin/vibe-slug 2>/dev/null)" 2>/dev/null || SLUG="unknown"
_LEARN_FILE="${VIBESTACK_HOME:-$HOME/.vibestack}/projects/${SLUG:-unknown}/learnings.jsonl"
if [ -f "$_LEARN_FILE" ]; then
  _LEARN_COUNT=$(wc -l < "$_LEARN_FILE" 2>/dev/null | tr -d ' ')
  echo "LEARNINGS: $_LEARN_COUNT entries loaded"
  if [ "$_LEARN_COUNT" -gt 5 ] 2>/dev/null; then
    ~/.vibestack/bin/vibe-learnings-search --limit 5 2>/dev/null || true
  fi
else
  echo "LEARNINGS: none yet"
fi

{{include lib/snippets/session-host.md}}

{{include lib/snippets/decision-brief.md}}

{{include lib/snippets/working-protocols.md}}

{{include lib/snippets/state-protocols.md}}

Step 0: Detect what the user wants

Before routing on intent, check two implicit gates — they fire first:

  • Consent gate. If question_tuning is not true AND ${VIBESTACK_HOME:-$HOME/.vibestack}/.question-tuning-prompted does not exist → run Enable + setup. The marker is written whichever way the user answers (even a decline), so someone who said "not now" is never re-prompted on later invocations.
  • Setup gate. If question_tuning is true AND developer-profile.json's declared object is empty AND ${VIBESTACK_HOME:-$HOME/.vibestack}/.declared-setup-prompted does not exist → run the 5-question declaration (the Q1–Q5 block under Enable + setup), then write that marker. This backfills the declared profile for anyone who enabled tuning directly (route 8 below) without the wizard.

Guard both marker reads with [ -f … ], per the ~/.vibestack/ session-state convention.

If neither gate fires, route on plain-English intent (not keywords):

Read the full file on GitHub · 525 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago Changed · +103 lines 770d08b7c25a
  2. 5d ago First seen · 422 lines · 86 tokens per session scan A d9e154229f34

Subscribe to this mod's changes

plan-tune is a skill published in the GitHub repository timurgaleev/vibestack (6 stars, last pushed 3d ago), licensed MIT. It adds 86 tokens to every session and 5,858 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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