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 gtapps/hermitd --skill source-healthgit clone --depth 1 https://github.com/gtapps/hermitdWrote 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/gtapps/hermitd/source-health)<a href="https://agentmods.dev/skills/gtapps/hermitd/source-health"><img src="https://agentmods.dev/badge/skills/gtapps/hermitd/source-health/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/gtapps/hermitd/source-health"><img src="https://agentmods.dev/badge/skills/gtapps/hermitd/source-health.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 | $0.00072 | $0.01451 |
| Opus 5.5 | $0.00029 | $0.00580 |
| Sonnet 5.5 | $0.00014 | $0.00290 |
| Haiku 4.5 | $0.00007 | $0.00145 |
Grade A, and why
source-health 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 11d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- source-health — 92% identical, 4 lines differ
How it starts
The opening of the file, as written. The whole thing — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Source Health
Read-only audit of brief source performance. Scans recent briefs and flags underperforming sources before they silently waste fetch budget.
When to use
- Manually, to spot-check source health.
- Wired into weekly review to catch slow-building problems.
- After adding a new source, to confirm it's yielding items.
Steps
-
Read
feed-sources.md— extract the active source names (Name column). -
Glob briefs — list
.hermit/briefs/*.md, sort descending by filename (newest first), take the last N = 10 (override with--last N). -
Parse each brief's frontmatter — extract:
sources_used: sources that contributed ≥1 item.sources_skipped: sources that failed to fetch (network error, Chrome unavailable, script error).sources_quiet: sources that fetched cleanly but yielded 0 items.fetch_log: per-source efficiency array (may be absent in older briefs — treat as missing, not an error).
If a source appears in none of the three arrays, mark it
unknownfor that brief (may predate the schema). -
Compute per-source streaks — walking newest→oldest for each active source:
consecutive_quiet: consecutive briefs the source was insources_quiet.consecutive_skipped: consecutive briefs the source was insources_skipped.- Reset the streak when the source appears in
sources_usedor isunknown.
-
Flag threshold violations — any source where
consecutive_quiet >= 3ORconsecutive_skipped >= 3. -
Output a health table:
## Source Health — YYYY-MM-DD (last 10 briefs) | Source | Last 10 (newest→oldest) | Streak | Status | |-----------------------|----------------------------|--------------|-----------| | Source A | ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ | — | healthy | | Source B | ~ ~ ~ ✓ ~ ~ ~ ✓ ~ ~ | 3 quiet | ⚠ warn | | Source C | ✗ ✗ ✗ ✗ ✓ — — — — — | 4 skipped | ✗ flag |Legend:
✓contributed ·~quiet (fetched, nothing relevant) ·✗skipped (fetch failed) ·—not yet in sources or brief predates schema.
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.
- 11d ago First seen · 110 lines · 72 tokens per session scan A 92966be398e0
source-health is a skill published in the GitHub repository gtapps/hermitd (79 stars, last pushed today), licensed MIT. It adds 72 tokens to every session and 1,451 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-10-02.
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