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 Kestral-Team/kestral-plugins --skill kestral-end-day-reviewgit clone --depth 1 https://github.com/Kestral-Team/kestral-pluginsWrote 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/kestral-team/kestral-plugins/kestral-end-day-review)<a href="https://agentmods.dev/skills/kestral-team/kestral-plugins/kestral-end-day-review"><img src="https://agentmods.dev/badge/skills/kestral-team/kestral-plugins/kestral-end-day-review/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/kestral-team/kestral-plugins/kestral-end-day-review"><img src="https://agentmods.dev/badge/skills/kestral-team/kestral-plugins/kestral-end-day-review.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 | $0.00054 | $0.02765 |
| Opus 5 | $0.00027 | $0.01383 |
| Sonnet 5 | $0.00011 | $0.00553 |
| Haiku 4.5 | $0.00005 | $0.00277 |
Grade A, and why
kestral-end-day-review 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 12d 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 — 239 lines — stays where its author put it; the contents beside it link to each section on GitHub.
End Day Review
Produce an evidence-backed close-out for today and a practical priority list for tomorrow. Gather current context first,
then ask before writing anything back to Kestral or local project files, except .kestral/preferences.md memory updates
covered by the User preferences rules.
Prerequisites
The Kestral MCP server must be in this session (/mcp). Authentication is handled by the MCP connection — proceed
directly with data-fetching calls. If any call returns auth failure (401, unauthorized, or Not authenticated), ask the
user to reconnect or authenticate the Kestral MCP server through their app's UI (Cowork: Customize → Connectors;
Codex: authenticate then start a new thread using /new — CLI: codex mcp login Kestral; app: Plugins → Kestral → MCP servers
gear; Claude Code: /mcp → reconnect). Calendar access is optional, but use it
when tomorrow prioritization depends on schedule realism.
Human-readable references
Keep Kestral IDs internal unless the user asks for them. In user-facing output:
- Tasks: show
slug - titlewhen a slug is available, linked withurlwhen the host can render links. - Projects, documents, feedback, customers, tags, statuses, and other Kestral entities: show the readable
name/title/label first, linked with
urlwhen the host can render links. - People and actors: show display names; if unresolved, write
Unknown member (id: <rawId>). - Unknown non-member entities: write
Unknown <entity type> (id: <rawId>). - Approval tables and write-back plans must put the human-readable label first. Raw URLs, machine IDs, source IDs, and bare slugs belong only in secondary metadata when useful.
- Use existing display fields first; do extra lookups only for entities that matter to the answer.
Entrypoint
Expected invocations include:
/kestral:end-day-review$kestral-end-day-review- "What got done today and what didn't?"
- "Review today's sessions and Kestral updates, then tell me what to prioritize tomorrow."
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.
- 12d ago First seen · 239 lines · 54 tokens per session scan A 32e434cc9894
kestral-end-day-review is a skill published in the GitHub repository Kestral-Team/kestral-plugins (4 stars, last pushed 23d ago), licensed Apache-2.0. It adds 54 tokens to every session and 2,765 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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