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.
npx agentmods add skills/timurgaleev/vibestack/plan-tunenpx skills add timurgaleev/vibestack --skill plan-tunegit clone --depth 1 https://github.com/timurgaleev/vibestackWrote 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.
[](https://agentmods.dev/skills/timurgaleev/vibestack/plan-tune)<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>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.
| Model | Per session | Once 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 | $0.00586 |
Grade A, and why
plan-tune scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 525 lines — stays where its author put it; the contents beside it link to each section on GitHub.
When to invoke
Use when asked to "tune questions", "stop asking me that", "too many questions", "show my profile", "what questions have I been asked", "show my vibe", "developer profile", or "turn off question tuning".
Proactively suggest when the user says the same vibestack question has come up before, or when they explicitly override a recommendation for the Nth time.
Preamble
eval "$(~/.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_tuningis nottrueAND${VIBESTACK_HOME:-$HOME/.vibestack}/.question-tuning-prompteddoes not exist → runEnable + 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_tuningistrueANDdeveloper-profile.json'sdeclaredobject is empty AND${VIBESTACK_HOME:-$HOME/.vibestack}/.declared-setup-prompteddoes not exist → run the 5-question declaration (the Q1–Q5 block underEnable + 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):
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.
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.
- 2d ago Changed · +103 lines 770d08b7c25a
- 5d ago First seen · 422 lines · 86 tokens per session scan A d9e154229f34
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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