Deliver Brief

Deliver Brief is a skill for Claude Code, Codex from YuiZhou/dayarc-agent. It costs 21 tokens per session (2,145 once invoked), scanned A, original, MIT.

A delivery tool that renders scheduled briefs from templates and sends them by email, to GitHub issues, or to the terminal.

In plain words
What is it for?
Use it for morning, evening, weekly, or monthly briefs, with delivery destinations selected from a configuration file.
Why use it?
It removes the repetitive work of formatting each brief and sending it to the right destinations. It also reports which deliveries succeeded or failed.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for morning, evening, weekly, or monthly briefs, with delivery destinations selected from a configuration file.

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Install with agentmods
npx agentmods add skills/yuizhou/dayarc-agent/dayarc-deliver
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.

Any agent
npx skills add YuiZhou/dayarc-agent --skill dayarc-deliver
Clone the repo
git clone --depth 1 https://github.com/YuiZhou/dayarc-agent

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for Deliver Brief

README.md
[![agentmods](https://agentmods.dev/badge/skills/yuizhou/dayarc-agent/dayarc-deliver/github.svg)](https://agentmods.dev/skills/yuizhou/dayarc-agent/dayarc-deliver)
Your own site
<a href="https://agentmods.dev/skills/yuizhou/dayarc-agent/dayarc-deliver"><img src="https://agentmods.dev/badge/skills/yuizhou/dayarc-agent/dayarc-deliver/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.

agentmods 80×15 button for Deliver Brief

Your own site · 80×15
<a href="https://agentmods.dev/skills/yuizhou/dayarc-agent/dayarc-deliver"><img src="https://agentmods.dev/badge/skills/yuizhou/dayarc-agent/dayarc-deliver.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,145 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00021 $0.02145
Opus 5 $0.00010 $0.01073
Sonnet 5 $0.00004 $0.00429
Haiku 4.5 $0.00002 $0.00215

Measured 9d ago against content hash 31b6134937ed, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

Deliver Brief 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 9d 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.

skills/dayarc-deliver/SKILL.md · 185 lines

How it starts

The opening of the file, as written. The whole thing — 185 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Templates

Located in this skill's templates/ directory:

HTML templates (for email):

  • pm.hbs — Evening Wrap-up
  • am.hbs — Morning Brief
  • weekly.hbs — Weekly Report
  • monthly.hbs — Monthly Report

Markdown templates (for GitHub issues and other markdown-native targets):

  • pm.md.hbs — Evening Wrap-up
  • am.md.hbs — Morning Brief
  • weekly.md.hbs — Weekly Report
  • monthly.md.hbs — Monthly Report

Delivery Targets

Read ~/Documents/dayarc/config.json → delivery to determine where to send the brief. If the delivery field is absent or empty, fall back to the default: email-only for all brief types.

{
  "delivery": [
    { "target": "email", "briefs": ["pm", "am", "weekly", "monthly"] },
    { "target": "github-issue", "briefs": ["weekly"],
      "config": { "repo": "owner/repo", "labels": ["weekly-brief"] } }
  ]
}

Allowed brief IDs: am, pm, weekly, monthly

For each target entry where the current briefType is in the briefs array, execute that target's delivery handler. Targets are independent — if one fails, log the error and continue with others. End with a delivery summary showing which targets succeeded and which failed.

Impact narrative data

PM, weekly, and monthly templates accept impact_summaries generated by dayarc-write-impact-summary. Each item contains title, situation, task, action, optional result, optional impact, status, and source_breadcrumbs.

  • Prefer impact_summaries whenever present.
  • Preserve every field and breadcrumb during rendering and translation.
  • Do not fill missing result or impact text during delivery; missing fields mean the evidence did not support a claim.
  • For older memory without impact_summaries, use the templates' activity/accomplishment fallback.

Delivery Modes

Scheduled (multi-target)

Step 1: Render — Render the appropriate template with brief data. Use .hbs (HTML) for email targets and .md.hbs (Markdown) for GitHub and other markdown-native targets. If locale is not en, translate the rendered content into the target language (preserving all markup, emoji, and links).

Read the full file on GitHub · 185 lines

Files

What ships with it

8 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.

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. 9d ago First seen · 185 lines · 21 tokens per session scan A 31b6134937ed

Subscribe to this mod's changes

Deliver Brief is a skill published in the GitHub repository YuiZhou/dayarc-agent (2 stars, last pushed 14d ago), licensed MIT. It adds 21 tokens to every session and 2,145 once invoked, about $0.0001 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.