Borrowing it
Nothing to install: this file belongs to briancl2/CustomerNewsletter. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/briancl2/CustomerNewsletter/main/.github/skills/kb-maintenance/SKILL.mdgit clone --depth 1 https://github.com/briancl2/CustomerNewsletterWrote 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/briancl2/customernewsletter/kb-maintenance)<a href="https://agentmods.dev/skills/briancl2/customernewsletter/kb-maintenance"><img src="https://agentmods.dev/badge/skills/briancl2/customernewsletter/kb-maintenance/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/briancl2/customernewsletter/kb-maintenance"><img src="https://agentmods.dev/badge/skills/briancl2/customernewsletter/kb-maintenance.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 | $0.00069 | $0.00616 |
| Opus 5 | $0.00034 | $0.00308 |
| Sonnet 5 | $0.00014 | $0.00123 |
| Haiku 4.5 | $0.00007 | $0.00062 |
Grade A, and why
kb-maintenance 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.
How it starts
The opening of the file, as written. The whole thing — 67 lines — stays where its author put it; the contents beside it link to each section on GitHub.
KB Maintenance
Keep the knowledge base current through automated polling and health checks.
Quick Start
- Poll feeds:
python3 .github/skills/kb-maintenance/scripts/poll_sources.py [--dry-run] - Check links:
python3 .github/skills/kb-maintenance/scripts/check_link_health.py [--dry-run] [--sample N] - Review delta report and fix broken links
- Update
kb/SOURCES.yamlandkb/CURRENT_STATE_SNAPSHOT.md
Inputs
- kb/SOURCES.yaml: Primary data source (47 entries with canonical URLs and feeds)
- kb/CURRENT_STATE_SNAPSHOT.md: Current state documentation
Output
- Delta report: what's new since last poll
- Health report: broken links, redirects, status changes
- Updated SOURCES.yaml (if fixes needed)
Core Workflow
Monthly Maintenance Cycle
- Poll feeds - Read SOURCES.yaml
update_feeds, fetch RSS/Atom/API endpoints, identify new entries sincelast_checkeddate - Check link health - Validate
canonical_urlsandlatest_known.reference_url, report dead links and redirects - Generate delta report - What's new, what's broken, what needs manual review
- Update sources - Fix broken URLs, update
last_checked, add new sources if discovered - Update snapshot - Refresh
CURRENT_STATE_SNAPSHOT.mdwith current state
Feed Types
| Type | How to Poll | Example |
|---|---|---|
| RSS/Atom | Fetch XML, parse entries after last_checked |
GitHub Blog RSS |
| API | Fetch JSON, filter by date | JetBrains plugin API |
| none | Manual check required | Docs pages (no feed) |
See maintenance-procedure.md for full workflow details.
Scripts
- poll_sources.py - Poll RSS/Atom feeds, emit delta report
- check_link_health.py - Validate URLs, emit health report
Reference
- Maintenance Procedure - Monthly workflow, feed types, cadence
Done When
- Feed polling completed (or --dry-run passed)
- Link health check completed (or --dry-run passed)
- Delta report generated
- Broken links documented
- SOURCES.yaml updated with
last_checkeddates
What ships with it
3 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.
- 9d ago First seen · 67 lines · 69 tokens per session scan A d3cd7781971e
kb-maintenance is a skill published in the GitHub repository briancl2/CustomerNewsletter (11 stars, last pushed 3mo ago), licensed MIT. It adds 69 tokens to every session and 616 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 2026-08-30.
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