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/eph5xx/tweakidea/ti-hnparsenpx skills add eph5xx/tweakidea --skill ti-hnparsegit clone --depth 1 https://github.com/eph5xx/tweakideaWrote 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/eph5xx/tweakidea/ti-hnparse)<a href="https://agentmods.dev/skills/eph5xx/tweakidea/ti-hnparse"><img src="https://agentmods.dev/badge/skills/eph5xx/tweakidea/ti-hnparse.svg" alt="Measured on agentmods" 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 | $0.00032 | $0.00551 |
| Opus 5 | $0.00016 | $0.00275 |
| Sonnet 5 | $0.00006 | $0.00110 |
| Haiku 4.5 | $0.00003 | $0.00055 |
Grade A, and why
ti-hnparse 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 5d 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
Contains two standalone Python scripts that talk to the free Algolia Hacker News API:
hnparse.py— fetch one HN post (article + full comment tree) and write structured markdown.hnsearch.py— search/list HN posts by query and time range; emits JSON to stdout.
hnparse.py usage
uv run <path-to>/hnparse.py <hn-url-or-id> [-o <output-directory>]
- Uses
uv runinline script metadata for dependencies (playwright, httpx, trafilatura) - Fetches post metadata and comment tree from Algolia HN API
- Extracts linked article via Playwright headless browser (falls back to plain HTTP)
- Writes
content.mdto the output directory - Default output:
~/.tweakidea/hn/hn-{item_id}/content.md - Prints the absolute path of the output file to stdout (last line)
- All progress messages go to stderr
For better article extraction from JS-heavy sites, run uv run playwright install chromium once. Without it, the script falls back to plain HTTP which works fine for most sites.
hnsearch.py usage
uv run <path-to>/hnsearch.py --query "<freeform>" --days <N> \
[--tags story|show_hn|ask_hn|front_page|poll] \
[--min-points N] [--limit N]
- Single dependency:
httpx(no Playwright / trafilatura needed) - Queries
https://hn.algolia.com/api/v1/search(popularity-sorted) --queryrequired;--daysrequired (0= no time filter / all-time)--tagsdefaults tostory(excludes comments); allowed:story,show_hn,ask_hn,front_page,poll; multiple tags comma-separated--min-pointsdefaults to10;--limitdefaults to20(max50)- Prints a JSON array of hits to stdout. Each hit has:
id,title,url,points,num_comments,author,created_at_i,relative_age,hn_url. - Progress and errors go to stderr. Exits non-zero on HTTP failure.
What ships with it
2 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.
- 5d ago First seen · 43 lines · 32 tokens per session scan A 611bb8d29bfa
ti-hnparse is a skill published in the GitHub repository eph5xx/tweakidea (48 stars, last pushed 4mo ago), licensed MIT. It adds 32 tokens to every session and 551 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 2026-08-30.
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