keel-compact

keel-compact is a skill for Claude Code from muratsilahtaroglu/claude-code-starter-kit. It costs 68 tokens per session (822 once invoked), scanned A, original, MIT.

A preparation step for compacting a coding session, where the conversation is shortened to save context space. It updates the project's handover and memory files first, then runs the built-in compaction command.

In plain words
What is it for?
Use it before compacting a long session to refresh handover notes, tasks, plans, lessons, and other project records.
Why use it?
Compaction can lose details that were only discussed in chat. Updating the files first gives the next session a current written record.

Skill for Claude Code

Written for Claude Code: PreCompact hook event.

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/muratsilahtaroglu/claude-code-starter-kit/keel-compact
Any agent
npx skills add muratsilahtaroglu/claude-code-starter-kit --skill keel-compact
Clone the repo
git clone --depth 1 https://github.com/muratsilahtaroglu/claude-code-starter-kit

Made for: Claude Code.

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agentmods badge for keel-compact

README.md
[![agentmods](https://agentmods.dev/badge/skills/muratsilahtaroglu/claude-code-starter-kit/keel-compact.svg)](https://agentmods.dev/skills/muratsilahtaroglu/claude-code-starter-kit/keel-compact)
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<a href="https://agentmods.dev/skills/muratsilahtaroglu/claude-code-starter-kit/keel-compact"><img src="https://agentmods.dev/badge/skills/muratsilahtaroglu/claude-code-starter-kit/keel-compact.svg" alt="Measured on agentmods" height="20"></a>
Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 822 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 $0.00068 $0.00822
Opus 5 $0.00034 $0.00411
Sonnet 5 $0.00014 $0.00164
Haiku 4.5 $0.00007 $0.00082

Measured 5d ago against content hash 30973f331d8b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

keel-compact 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 5d 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.

.claude/skills/keel-compact/SKILL.md · 44 lines

What it actually says

/keel-compact — refresh the disk, THEN compact

Compaction summarizes the conversation lossily; the pincer (PreCompact snapshot + SessionStart re-ground) restores only what is ON DISK. This skill exists so a forgotten ritual can't turn a manual compact into an information-loss event — the failure mode: /compact run with a stale HANDOVER, and the snapshot faithfully backs up the stale file. Run it whenever you are about to compact (or the context feels near-full). The individual skills stay directly invokable as always — this is the umbrella, not a replacement.

  1. Run the full /keel-handover procedure (rules.md §1.4) — it already cascades: /keel-distill when caps are hit, the session block (a)–(d), PLAN.md status flips + the regenerated diagram, TASKS.md cleanup, and the §9.31 sweep of unwritten agreements into LESSONS.md. Do not duplicate its steps here — invoke it.
  2. Freshness gate — report a short pass/fail checklist; fix gaps before proceeding:
    • HANDOVER.md top block carries THIS session's YYYY-MM-DD HH:MM and describes THIS session (same-day ≠ same-session: another session's block from today is still stale — add your own).
    • TASKS.md ## Now matches reality; finished items deleted (one-liners in block (a)).
    • No agreement / gotcha / failed approach from this conversation is still unwritten (§9.31).
    • Caps respected (defaults — .claude/keel-caps overrides, rules §10.40): HANDOVER ≤ 3 blocks / ~150 · LESSONS ≤ ~250 · TASKS ≤ ~100 (else /keel-distill).
    • PLAN.md statuses + Current focus current (if the project uses PLAN.md).
  3. Offer an approved commit + the batched push (rules.md §1.3, §6.15) — this is the natural push boundary: commits accrued through the session go out here in ONE approval (the ask on push fires once, not per-commit — that's the point). git is the second safety net beside .claude/snapshots/: even a bad summary then loses nothing.
  4. Hand off: tell the user — "Disk is fresh; now run /compact." A skill CANNOT invoke the built-in /compact itself; stop here and let the user trigger it.

Enforcement: this ritual is not just advice — the compact-gate PreCompact hook (matcher manual) BLOCKS a stale manual /compact with exit 2 and points here, so forgetting it can't silently cost a session (on older CLIs the block degrades to a warning). Emergency bypasses: /compact keel-force · touch .claude/compact-force (one-shot).

Scope honesty: the gate covers MANUAL compacts only. Auto-compact is never blocked (a blocked auto-compact could wedge a full session) — the defense there remains the hot-path discipline (§9.31: write it the moment it appears) + the pincer. For full determinism you can disable auto-compact in /config and compact only via this ritual (trade-off: forget too long and the session hits the hard context limit mid-turn).

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. 5d ago First seen · 44 lines · 68 tokens per session scan A 30973f331d8b

Subscribe to this mod's changes

keel-compact is a skill published in the GitHub repository muratsilahtaroglu/claude-code-starter-kit (9 stars, last pushed 2d ago), licensed MIT. It adds 68 tokens to every session and 822 once invoked, about $0.0003 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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