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 aka-kika/akakika-skills --skill macos-clipboard-pasteboardgit clone --depth 1 https://github.com/aka-kika/akakika-skillsWrote 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/aka-kika/akakika-skills/macos-clipboard-pasteboard)<a href="https://agentmods.dev/skills/aka-kika/akakika-skills/macos-clipboard-pasteboard"><img src="https://agentmods.dev/badge/skills/aka-kika/akakika-skills/macos-clipboard-pasteboard/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/aka-kika/akakika-skills/macos-clipboard-pasteboard"><img src="https://agentmods.dev/badge/skills/aka-kika/akakika-skills/macos-clipboard-pasteboard.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Tool Misuse · line 74 Tool defaults are unsafe or overly permissive (e.g. disabled TLS verification, no authentication, world-writable permissions). Unsafe defaults widen the attack surface.Fix: Override unsafe defaults with secure settings (verify=True, auth required, restrictive permissions). Review and harden all tool configurations.
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 | $0.00058 | $0.02030 |
| Opus 5 | $0.00029 | $0.01015 |
| Sonnet 5 | $0.00012 | $0.00406 |
| Haiku 4.5 | $0.00006 | $0.00203 |
Grade A, and why
macos-clipboard-pasteboard 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 — 220 lines — stays where its author put it; the contents beside it link to each section on GitHub.
macOS Clipboard & Pasteboard
Work with NSPasteboard correctly: write rich content with plain-text fallbacks, watch for changes the only way macOS allows (polling changeCount), and — if you're building anything clipboard-manager-shaped — respect the concealed/transient conventions that keep passwords out of your history.
When to use
Use this skill when the user says:
- clipboard / pasteboard /
NSPasteboard - copy / paste programmatically
- clipboard history / clipboard manager
- watch the clipboard / detect copy
- paste as plain text
- custom pasteboard type / drag-and-drop data type
- clipboard privacy / "app pasted from" alert
Do not use this skill for iOS (UIPasteboard differs in important ways), or for drag-and-drop UI mechanics (onDrag/Transferable view wiring) beyond the data-type layer.
Core rule
Write every flavor the receiver might want, richest first.
Read by asking for the best type you can handle.
Never clobber, log, or upload the user's clipboard —
and never store what a password manager marked concealed.
Writing
Always clearContents() first — it claims ownership and bumps changeCount. Then declare the richest set of representations you have:
import AppKit
// Simple string
let pb = NSPasteboard.general
pb.clearContents()
pb.setString("hello", forType: .string)
// Rich content with fallbacks: receivers pick the best they support.
// One NSPasteboardItem = one logical thing with multiple flavors.
let item = NSPasteboardItem()
item.setString(htmlString, forType: .html)
item.setString(plainString, forType: .string) // the fallback that
pb.clearContents() // makes TextEdit,
pb.writeObjects([item]) // terminals etc. work
// Files
pb.clearContents()
pb.writeObjects([fileURL as NSURL])
// Multiple files = multiple items, not one item with many flavors
pb.writeObjects(urls as [NSURL])
The classic bug is writing only HTML or only a custom type: paste then silently does nothing in half the apps on the system. Plain .string rides along with almost everything.
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 · 220 lines · 58 tokens per session scan A e78444913ce4
macos-clipboard-pasteboard is a skill published in the GitHub repository aka-kika/akakika-skills (10 stars, last pushed 2d ago), licensed MIT. It adds 58 tokens to every session and 2,030 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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