pstack is a collection of plain Agent Skills and engineering principles that guide AI-assisted software development across coding agents such as Claude Code, Codex, Pi, Cursor, and OpenCode. It is for developers who want reusable practices for tasks including testing, technical writing, debugging, review, and coordinating agent work. The catalogue entries are the project's skills, agents, and plugin.
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 backnotprop/pstack --skill triage-issue-reportsgit clone --depth 1 https://github.com/backnotprop/pstackWrote 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/backnotprop/pstack/triage-issue-reports)<a href="https://agentmods.dev/skills/backnotprop/pstack/triage-issue-reports"><img src="https://agentmods.dev/badge/skills/backnotprop/pstack/triage-issue-reports/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/backnotprop/pstack/triage-issue-reports"><img src="https://agentmods.dev/badge/skills/backnotprop/pstack/triage-issue-reports.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00046 | $0.02174 |
| Opus 5.5 | $0.00018 | $0.00870 |
| Sonnet 5.5 | $0.00009 | $0.00435 |
| Haiku 4.5 | $0.00005 | $0.00217 |
Grade A, and why
triage-issue-reports 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 1mo 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:
- triage-issue-reports — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 241 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Triage issue reports
Classify one Slack report and post one useful verdict in its source thread. Create a tracker issue only for a clear, new bug. Do not reproduce or fix it here.
Load the external Benny configuration supplied by the automation. If the config is missing, malformed, or incomplete, stop without posting or writing to the tracker.
Hard safety rules
- The source channel and root thread coordinates are immutable.
- Never post a root message in the source channel.
- Never post to another channel, broadcast a reply, send a DM, or start a replacement thread.
- Preflight the source parent before any tracker write and immediately before the verdict post.
- If the parent is missing, deleted, inaccessible, or uncertain, stop with no writes.
- Post one substantive verdict. Do not narrate progress.
- The coordinator is the only Slack poster.
- Delegated workers return findings only. They must be read-only and receive no Slack credentials or write actions.
- Every child prompt must forbid
SendSlackMessage,PostToSlack,chat.postMessage, and every other Slack write. - If worker isolation cannot enforce those limits, do the work in the coordinator.
- Never create an issue that cannot link back to the source thread.
- Prefer no ticket over a guessed or duplicate ticket.
- Apply pstack's
principle-separate-before-serializing-shared-stateto source coordinates. - Apply pstack's
principle-minimize-reader-loadandunslopskills to the final verdict.
1. Freeze source coordinates
Before making a work list or delegating:
- Read
source_channel_idfrom the trigger. - Require it to equal the configured source channel.
- Set
SOURCE_THREAD_TStotrigger.thread_tswhen present. Otherwise usetrigger.ts. - Require a nonempty
SOURCE_THREAD_TS. - Store
SOURCE_CHANNEL_IDandSOURCE_THREAD_TSas immutable values. - Read the thread and verify that its root has exactly those coordinates.
- Fetch a stable source permalink.
Every later source read and post must use those stored values. Never replace them with a reply timestamp or an operations-thread timestamp.
What ships with it
1 file 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.
- 1mo ago First seen · 241 lines · 46 tokens per session scan A 216a758b8711
triage-issue-reports is a skill published in the GitHub repository backnotprop/pstack (2,041 stars, last pushed 2d ago), licensed MIT. It adds 46 tokens to every session and 2,174 once invoked, about $0.0002 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 2026-08-30.
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