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/benelser/imessage-tools/imessage-catchupnpx skills add benelser/imessage-tools --skill imessage-catchupgit clone --depth 1 https://github.com/benelser/imessage-toolsWrote 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/benelser/imessage-tools/imessage-catchup)<a href="https://agentmods.dev/skills/benelser/imessage-tools/imessage-catchup"><img src="https://agentmods.dev/badge/skills/benelser/imessage-tools/imessage-catchup.svg" alt="Measured on agentmods" 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 | $0.00016 | $0.00103 |
| Opus 5 | $0.00008 | $0.00051 |
| Sonnet 5 | $0.00003 | $0.00021 |
| Haiku 4.5 | $0.00002 | $0.00010 |
Grade A, and why
imessage-catchup 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 5d 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
Show messages received since the user's last sent message using imessage-tools.
imessage-tools catchup $ARGUMENTS
No arguments needed. Optionally pass a number of hours to look back.
Examples:
/imessage-catchup— messages since your last sent message/imessage-catchup 2— messages from the last 2 hours
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.
- 5d ago First seen · 17 lines · 16 tokens per session scan A f9f53b9df452
imessage-catchup is a skill published in the GitHub repository benelser/imessage-tools (2 stars, last pushed 4mo ago), licensed MIT. It adds 16 tokens to every session and 103 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.
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