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 jame-ri/cst2026-skill-mcp --skill cst-python-automationgit clone --depth 1 https://github.com/jame-ri/cst2026-skill-mcpWrote 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/jame-ri/cst2026-skill-mcp/cst-python-automation)<a href="https://agentmods.dev/skills/jame-ri/cst2026-skill-mcp/cst-python-automation"><img src="https://agentmods.dev/badge/skills/jame-ri/cst2026-skill-mcp/cst-python-automation/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/jame-ri/cst2026-skill-mcp/cst-python-automation"><img src="https://agentmods.dev/badge/skills/jame-ri/cst2026-skill-mcp/cst-python-automation.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00126 | $0.08966 |
| Opus 5 | $0.00063 | $0.04483 |
| Sonnet 5 | $0.00025 | $0.01793 |
| Haiku 4.5 | $0.00013 | $0.00897 |
Grade A, and why
cst-python-automation 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 9d 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.
The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
9 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.
- agents/openai.yaml 353 B
- references/cst-call-recipes.md 9.9 KB
- references/cst-error-cookbook.md 5.9 KB
- references/em-design-gates.md 13 KB
- references/em-gate-ledger-microstrip-example.json 10 KB
- references/em-gate-ledger-template.json 5.6 KB
- references/local-environment.md 936 B
- scripts/validate_em_gate_ledger.py 12 KB runs code
- tests/test_validate_em_gate_ledger.py 7.3 KB runs code
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.
- 9d ago First seen · 427 lines · 126 tokens per session scan A 9ca9ede9f749
cst-python-automation is a skill published in the GitHub repository jame-ri/cst2026-skill-mcp (10 stars, last pushed 2d ago), with no licence file. It adds 126 tokens to every session and 8,966 once invoked, about $0.0006 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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