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/catwillgh/mainframe/mainframe-ticketnpx skills add CATWILLgh/MAINFRAME --skill mainframe-ticketgit clone --depth 1 https://github.com/CATWILLgh/MAINFRAMEWhat 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 | $0.00065 | $0.00287 |
| Opus 5 | $0.00032 | $0.00143 |
| Sonnet 5 | $0.00013 | $0.00057 |
| Haiku 4.5 | $0.00006 | $0.00029 |
Grade A, and why
mainframe-ticket 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 2d 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
MAINFRAME ticket intake
Preserve a concrete problem outside the active task without silently expanding scope. Own intake and, only for an explicitly assigned investigation, initial confirmation that the problem exists. Leave scope review, implementation, and independent closure verification to their dedicated runs.
Choose one path before writing:
- For an incidental finding or a candidate from a broad discovery run, read record-observation.md. Do not investigate beyond the evidence needed to describe the observation.
- For a focused investigation or confirmation explicitly assigned by the immediate caller, read record-confirmed-problem.md. Confirm the problem before writing it.
Read ticket-format.md before creating, moving, renaming, or updating any ticket.
If the problem prevents achieving or verifying the active result or agreed definition of done, it is in scope. Return it to the active workflow instead of recording it as an external ticket.
What ships with it
4 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.
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.
- 2d ago First seen · 29 lines · 65 tokens per session scan A 1d99ef3829c7
mainframe-ticket is a skill published in the GitHub repository CATWILLgh/MAINFRAME (2 stars, last pushed 12d ago), licensed MIT. It adds 65 tokens to every session and 287 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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