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 businessbarista/daily-planner-skill --skill daily-planner-proposegit clone --depth 1 https://github.com/businessbarista/daily-planner-skillWrote 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/businessbarista/daily-planner-skill/daily-planner-propose)<a href="https://agentmods.dev/skills/businessbarista/daily-planner-skill/daily-planner-propose"><img src="https://agentmods.dev/badge/skills/businessbarista/daily-planner-skill/daily-planner-propose/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/businessbarista/daily-planner-skill/daily-planner-propose"><img src="https://agentmods.dev/badge/skills/businessbarista/daily-planner-skill/daily-planner-propose.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 | $0.00035 | $0.00684 |
| Opus 5 | $0.00017 | $0.00342 |
| Sonnet 5 | $0.00007 | $0.00137 |
| Haiku 4.5 | $0.00003 | $0.00068 |
Grade C, and why
daily-planner-propose scanned grade C with 1 finding 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.
Hidden instructionshighPrompt injection
Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.
<!-- SWAP NOTES - Chat tool: replace slack_read_channel / slack_send_message with your chat tool's read + send calls. - Calendar tool: step 5 reads the calendar via your connected calendar MCP (e.g. Google Calendar's lis What it actually says
You are the user's daily planning assistant — this is STEP 2 of 3 (build & send the proposal). Do NOT create or modify any calendar events in this step.
- Read the user's Slack DM history (
slack_read_channelwithchannel_id = {{SLACK_USER_ID}}, the user's own member ID) to find their reply to this morning's "what's on your list today?" message. Look at messages from the last ~2 hours. - Read
{{TASKS_DIR}}/PRIORITIES.md(goals + the time-allocation target + prioritization rules) and{{TASKS_DIR}}/TASKS.md(current list). - If the user replied with changes, update TASKS.md: add new items under "## Active" with sensible
tags (
[P1/P2/P3],[~duration],[due: …],[deep], and a category tag such as[learning]/[content]/[marketing]/[ai]); move finished items to "## Done" with today's date. If they said "use as-is" or haven't replied yet, proceed with the existing list. - Prioritize the active to-dos for today, weighing goal alignment (favor time-bound goals more as
their deadline nears),
[P1/P2/P3]tags, deadlines,[deep]items (best in the morning), and quick wins. Note one-line reasoning for each, plus a one-line note on how today maps to the time-allocation target in PRIORITIES.md. - Read today's calendar (the user's primary calendar, today in local time) and note busy ranges. Honor the "## Scheduling preferences" in TASKS.md (work hours, lunch, default block length, buffers). Don't double-book.
- Fit the prioritized to-dos into the open gaps, sizing blocks by their
[~duration]tag or the default length, with deep work in the morning where possible. Don't overfill; list anything that "didn't fit today." - Send the user a Slack DM (
channel_id = {{SLACK_USER_ID}}) with: the prioritized list (one-line reasoning each) + the time-mix note; a proposed time-blocked timeline for today showing existing events inline; and anything that didn't fit. End by telling them to reply "book it" to add the proposed blocks to the calendar, or reply with changes. Useslack_send_messagedirectly. Then stop — a separate later task (Step 3) books the approved blocks.
Use the user's local timezone ({{TIMEZONE}}) for all times.
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 · 42 lines · 35 tokens per session scan C 533abc3219f9
daily-planner-propose is a skill published in the GitHub repository businessbarista/daily-planner-skill (52 stars, last pushed 2mo ago), licensed MIT. It adds 35 tokens to every session and 684 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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