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 agentmods add skills/panchangam18/background-computer-use/clocknpx skills add Panchangam18/background-computer-use --skill clockgit clone --depth 1 https://github.com/Panchangam18/background-computer-useWhat 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 | $0.00036 | $0.00254 |
| Opus 5 | $0.00018 | $0.00127 |
| Sonnet 5 | $0.00007 | $0.00051 |
| Haiku 4.5 | $0.00004 | $0.00025 |
Grade A, and why
clock 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 3d 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.
What it actually says
Driving Clock with background computer use
- Always call
get_app_state app="Clock"before interacting. - Clock has four tabs (World Clock, Alarms, Stopwatch, Timers); after
switching tabs, the tree changes completely — re-call
get_app_state. - When adding a world-clock city from the search sheet,
clickthe result row rather than pressing Return. - Alarm toggles are
switchelements embedded in each row — click the switch, not the row. - Time pickers are usually
settable=true; preferset_valuewith a numeric string. If the picker is not settable, usescrollagainst the picker element's index. - In Stopwatch, Start/Stop is a single button whose title toggles; re-read state after each press.
Extended notes live in server/app-hints/Clock.md; the MCP server injects
them on every get_app_state call for Clock.
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.
- 3d ago First seen · 23 lines · 36 tokens per session scan A 8d1dc254044e
clock is a skill published in the GitHub repository Panchangam18/background-computer-use (5 stars, last pushed 4mo ago), licensed MIT. It adds 36 tokens to every session and 254 once invoked, about $0.0002 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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