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/mitodl/agent-kit/cyclopts-cli-scriptsnpx skills add mitodl/agent-kit --skill cyclopts-cli-scriptsgit clone --depth 1 https://github.com/mitodl/agent-kitWhat 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 | $0.00049 | $0.00328 |
| Opus 5 | $0.00024 | $0.00164 |
| Sonnet 5 | $0.00010 | $0.00066 |
| Haiku 4.5 | $0.00005 | $0.00033 |
Grade A, and why
cyclopts-cli-scripts 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 yesterday.
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
CLI Scripts with cyclopts
All command-line scripts in this codebase use the cyclopts framework.
Framework
Use cyclopts, not argparse, click, typer, or bare sys.argv.
import cyclopts
app = cyclopts.App()
@app.command
def my_command(arg1: str, flag: bool = False) -> None:
"""Brief description shown in --help."""
...
if __name__ == "__main__":
app()
Location
Place scripts in the bin/ directory at the root of the relevant project or
repository. Do not place scripts in src/, scripts/, or ad-hoc locations.
Naming
Use hyphen-separated names: bin/migrate-assets, bin/sync-catalog.
Registering with uv
If the script should be runnable via uv run <script-name>, register it in
pyproject.toml:
[project.scripts]
my-script = "my_package.bin.my_script:app"
Or place the script directly in bin/ and run it with:
uv run python bin/my-script
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.
- yesterday First seen · 58 lines · 49 tokens per session scan A 9eef7940c796
cyclopts-cli-scripts is a skill published in the GitHub repository mitodl/agent-kit (2 stars, last pushed 3d ago), licensed BSD-3-Clause. It adds 49 tokens to every session and 328 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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