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 Phudit-2547/ChuMaiNichi --skill backend-workergit clone --depth 1 https://github.com/Phudit-2547/ChuMaiNichiWrote 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/phudit-2547/chumainichi/backend-worker)<a href="https://agentmods.dev/skills/phudit-2547/chumainichi/backend-worker"><img src="https://agentmods.dev/badge/skills/phudit-2547/chumainichi/backend-worker/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/phudit-2547/chumainichi/backend-worker"><img src="https://agentmods.dev/badge/skills/phudit-2547/chumainichi/backend-worker.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 | $0.00015 | $0.00382 |
| Opus 5 | $0.00008 | $0.00191 |
| Sonnet 5 | $0.00003 | $0.00076 |
| Haiku 4.5 | $0.00002 | $0.00038 |
Grade A, and why
backend-worker 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 8d 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
Backend Worker
NOTE: Startup and cleanup are handled by worker-base. This skill defines the WORK PROCEDURE.
When to Use This Skill
Use this skill for implementing python backend logic, writing queries, and developing utility scripts.
Required Skills
None
Work Procedure
- Create/Update tests first (e.g.,
test_import_user_data.py). Ensure they fail. - Implement the missing logic (e.g.,
import_user_data.py). - Ensure the code respects
.factory/services.yamlcommands (test). - Run
uv run pytestto ensure tests pass. - Manually verify the behavior if applicable.
Example Handoff
{ "salientSummary": "Implemented import_user_data.py and added unit tests covering valid parsing, upsert logic, and pruning older snapshots. All 5 tests pass.", "whatWasImplemented": "Created import_user_data.py which reads JSON, uses asyncpg to connect to DB, inserts records, and prunes old records keeping only latest 5.", "whatWasLeftUndone": "", "verification": { "commandsRun": [ { "command": "uv run pytest scraper/tests/", "exitCode": 0, "observation": "5 passed" } ], "interactiveChecks": [] }, "tests": { "added": [ { "file": "scraper/tests/test_import_user_data.py", "cases": [ { "name": "test_import", "verifies": "Imports JSON successfully" } ] } ] }, "discoveredIssues": [] }
When to Return to Orchestrator
- Required DB tables or structure is ambiguous.
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.
- 8d ago First seen · 53 lines · 15 tokens per session scan A c01efba9038a
backend-worker is a skill published in the GitHub repository Phudit-2547/ChuMaiNichi (2 stars, last pushed 6d ago), licensed MIT. It adds 15 tokens to every session and 382 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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