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 skills add KirKruglov/claude-skills-kit --skill cowork-session-plannergit clone --depth 1 https://github.com/KirKruglov/claude-skills-kitWrote 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/kirkruglov/claude-skills-kit/cowork-session-planner)<a href="https://agentmods.dev/skills/kirkruglov/claude-skills-kit/cowork-session-planner"><img src="https://agentmods.dev/badge/skills/kirkruglov/claude-skills-kit/cowork-session-planner/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/kirkruglov/claude-skills-kit/cowork-session-planner"><img src="https://agentmods.dev/badge/skills/kirkruglov/claude-skills-kit/cowork-session-planner.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00094 | $0.01290 |
| Opus 5 | $0.00047 | $0.00645 |
| Sonnet 5 | $0.00019 | $0.00258 |
| Haiku 4.5 | $0.00009 | $0.00129 |
Grade A, and why
cowork-session-planner 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 11d 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 — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cowork Session Planner
This skill generates a pre-session brief for non-technical Cowork users by scanning available project files (context.md, logs, tasks, CLAUDE.md) and producing a minimal structured brief: current project status, recommended session goal, and a prioritised work plan. It runs at the very start of a session — before any real work task is requested — so the user knows exactly where to focus.
Input: Current workspace / project folder. Optional: explicit session goal as free text.
Output: Structured markdown brief (inline response). Optionally saved to output/session-brief.md on user request.
Language Detection
Detect the user's language from their message:
- If Russian (or contains Cyrillic): respond in Russian
- If English (or other Latin-script language): respond in English
- If ambiguous: respond in the language of the trigger phrase used
Instructions
Step 1: Parse Input
-
Check if the user provided an explicit session goal (free text after the trigger phrase).
- If yes: store as
stated_goal; use it as the primary session focus in Step 4. - If no:
stated_goalis empty; derive focus from project files in Step 3.
- If yes: store as
-
Identify the project folder to scan.
- Default: current workspace / selected folder.
- If user specifies a path, use that path.
Step 2: Scan Project Files
-
Look for the following files in the workspace (in order of priority):
context.mdorCLAUDE.md— project overview and statuslogs/log.md— recent activity logTASKS.mdor any file containing open tasks- Any
output/skill-spec.mdor in-progress output files
-
For each found file, extract:
- context.md / CLAUDE.md: project name, current status, open questions
- logs/log.md: last log entry (date + action description)
- TASKS.md: open tasks (status: pending or in_progress)
- skill-spec.md: if present, note "skill spec in progress"
-
Note any missing files for the Notes section of the brief.
What ships with it
4 files 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.
- 11d ago First seen · 136 lines · 94 tokens per session scan A ec3978ec787f
cowork-session-planner is a skill published in the GitHub repository KirKruglov/claude-skills-kit (18 stars, last pushed 1mo ago), licensed MIT. It adds 94 tokens to every session and 1,290 once invoked, about $0.0005 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 2026-08-30.
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