Agent Stuff is a personal package of reusable skills, extensions, prompt commands, themes, and utilities for the Pi Coding Agent. Its author uses these tools across projects, and the catalogue entries are components from this package that support that workflow.
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 mitsuhiko/agent-stuff --skill apple-mailgit clone --depth 1 https://github.com/mitsuhiko/agent-stuffWrote 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/mitsuhiko/agent-stuff/apple-mail)<a href="https://agentmods.dev/skills/mitsuhiko/agent-stuff/apple-mail"><img src="https://agentmods.dev/badge/skills/mitsuhiko/agent-stuff/apple-mail/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/mitsuhiko/agent-stuff/apple-mail"><img src="https://agentmods.dev/badge/skills/mitsuhiko/agent-stuff/apple-mail.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00045 | $0.00703 |
| Opus 5.5 | $0.00018 | $0.00281 |
| Sonnet 5.5 | $0.00009 | $0.00141 |
| Haiku 4.5 | $0.00005 | $0.00070 |
Grade A, and why
apple-mail 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 1mo 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 — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Apple Mail Skill
Search, read, and extract attachments from Apple Mail's local storage on macOS.
Tool
apple-mail.sh — a bash script that queries the Apple Mail SQLite envelope
index and reads .emlx files from disk. Read-only — it never modifies
mail data.
Quick Reference
TOOL=~/Development/agent-stuff/skills/apple-mail/apple-mail.sh
# Search emails
$TOOL search --from "peter@" --subject "dinner" --limit 5
$TOOL search --after 2026-02-01 --has-attachment
$TOOL search --body "invoice" --mailbox "INBOX" --unread
$TOOL search --to "armin@" --before 2025-12-31
# Show message metadata, recipients, attachments, and summary
$TOOL info 783660
# Read the raw RFC822 email (headers + body)
$TOOL read 783660
# Extract attachments to a temp directory (prints the path)
$TOOL attachment 783660 # all attachments
$TOOL attachment 783660 "Rechnung.pdf" # specific file
# List all mailboxes with counts
$TOOL mailboxes
Search Options
| Flag | Description |
|---|---|
--from <addr> |
Sender address substring |
--to <addr> |
Recipient address substring |
--subject <text> |
Subject substring |
--body <text> |
Body/summary text substring |
--mailbox <name> |
Mailbox URL substring (e.g. INBOX, Sent, Trash) |
--after <YYYY-MM-DD> |
Received after date |
--before <YYYY-MM-DD> |
Received before date |
--unread |
Only unread messages |
--flagged |
Only flagged messages |
--has-attachment |
Only messages with attachments |
--limit <n> |
Max results (default: 20) |
Output Format
searchreturns pipe-delimited table with header row:id|sender|sender_name|subject|received|status|flagged|mailbox|attachmentsinforeturns structured metadata sectionsreadoutputs raw RFC822 email to stdoutattachmentprints the temp directory path to stdout, file listing to stderr
Notes
- Message IDs are Apple Mail internal ROWIDs (integers), shown in the
idcolumn .partial.emlxfiles contain headers only (body not downloaded);readwarns about this- Attachments are copied to a temp directory under
/tmp/; clean up when done - The
bodysearch queries thesummariestable (Apple Mail's plaintext preview), not the full email body - Mailbox URLs are percent-encoded (e.g.,
%5BGmail%5D=[Gmail],%20= space) - Deleted messages are excluded from search by default
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.
- 1mo ago First seen · 73 lines · 45 tokens per session scan A 29b6e85500df
apple-mail is a skill published in the GitHub repository mitsuhiko/agent-stuff (3,192 stars, last pushed 21d ago), licensed Apache-2.0. It adds 45 tokens to every session and 703 once invoked, about $0.0002 per session on Opus 5.5. 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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Open Orbit briefing skill — selected by the Orbit pipeline when Notion is the user's only connected connector, or when the user explicitly scopes their daily digest to Notion. Pulls the past 24 hours of document edits, comments, mentions, and database row changes from the user's authenticated Notion connection and…
agentmail
Use your assigned AgentMail inbox to read email tasks, explicitly send or reply, and check delivery. Provided automatically by your inbox assignment.
rowboat-spaces
How to work as a member of Rowboat Spaces, the team chat where people and agents work together. Load it once per session, before acting on any request that reaches you from Rowboat; it covers your setup, mentions and hand-offs, the tools, and files.
feishu
Work with Feishu or Lark bots, docs, sheets, bitables, approval flows, and OpenAPI/MCP setup without hardcoding credentials.
pinchtab-mcp
Use this skill when a task requires browser automation through PinchTab's MCP server connected to a remote browser instance. Covers navigation, element interaction, data extraction, form filling, multi-step flows, and session management via MCP tools.
Cortex
Operate Cortex, the LifeOS memory system — the typed Knowledge Archive (People, Companies, Ideas, Research with typed related: links) plus recall of prior work sessions, ISAs, and conversations. Search, add, harvest, develop, ingest, distill, graph-navigate, recall. USE WHEN cortex, knowledge, knowledge base, search…