pstack-claude is a set of opinionated coding-agent skills and workflows ported from Cursor to Claude Code, Codex, Pi, and other agent harnesses. It guides agents toward concise, simple, and verified code by routing goals to suitable workflows and supporting subagent tools. The catalogue entries are the project's skills, agents, hook, and plugin implementations for these agent environments.
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 michael-denyer/pstack-claude --skill reflectgit clone --depth 1 https://github.com/michael-denyer/pstack-claudeWrote 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/michael-denyer/pstack-claude/reflect)<a href="https://agentmods.dev/skills/michael-denyer/pstack-claude/reflect"><img src="https://agentmods.dev/badge/skills/michael-denyer/pstack-claude/reflect/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/michael-denyer/pstack-claude/reflect"><img src="https://agentmods.dev/badge/skills/michael-denyer/pstack-claude/reflect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
- Socket pass
- Snyk 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 | $0.00036 | $0.01711 |
| Opus 5.5 | $0.00014 | $0.00684 |
| Sonnet 5.5 | $0.00007 | $0.00342 |
| Haiku 4.5 | $0.00004 | $0.00171 |
Grade A, and why
reflect 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 yesterday.
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 — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Reflect
On Codex, read the platform mapping, including its per-skill notes, before following this skill.
On GitHub Copilot, read the platform mapping, including its per-skill notes, before following this skill.
On Muse, read the platform mapping, including its per-skill notes, before following this skill.
Mine the current conversation for durable learnings, then route them into skill edits.
Invoke when the user says "reflect" or "/reflect". Skip when the conversation is trivial, off-topic, or already covered by an existing skill the parent followed correctly. One-offs are not learnings.
1. Locate the active transcript
Before fanning out, find this conversation's transcript in Claude Code's per-project transcripts directory at ${CLAUDE_CONFIG_DIR:-$HOME/.claude}/projects/<encoded-cwd>/. Do not glob across ${CLAUDE_CONFIG_DIR:-$HOME/.claude}/projects/. That crosses workspace boundaries and reads private chats from unrelated projects.
Run the finder at skills/reflect/scripts/find-transcript.mjs under the installed plugin with the projects directory and a fragment of the conversation's opening user prompt. claude-project-dir.mjs beside it prints this session's projects directory, wherever the shell has moved since:
dir=$(node <plugin>/skills/reflect/scripts/claude-project-dir.mjs) && node <plugin>/skills/reflect/scripts/find-transcript.mjs "$dir" "<opening prompt fragment>"
It covers the three layouts (flat <id>.jsonl, nested <id>/<id>.jsonl, subagent <parent>/subagents/<child>.jsonl), newest first, and prints the first path whose opening typed prompt carries the fragment. Do not reimplement the scan by hand: the first line of a transcript is session metadata, not a message, a session that starts with /clear or a ! shell command records that command's wrapper and output as user records before the prompt, and files run to several megabytes, so the finder streams each candidate and stops at its first typed user record. If the line exits 1, write a tight digest of the session and pass that instead. It lists, one line each in turn order, the user's prompts and corrections, the tool calls and their results, and the files touched. It states no diagnosis, verdict, or cause. The reviewers judge the session, not your conclusions about it.
What ships with it
6 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.
- yesterday Changed scan B → A 9cde5fda925f
- 2d ago Changed · +2 lines a4b4afd029b2
- 7d ago Changed cbe0eede3a66
- 10d ago Changed · -4 lines scan A → B 4c99a0be3f1a
- 14d ago Changed dbd8480b8f5a
- 17d ago Changed · +2 lines 4e8df08e1620
- 21d ago Changed 848bc9819c42
- 27d ago Changed · +4 lines 644312eb29aa
- 29d ago Changed · +2 lines 903f2fab7e90
- 1mo ago First seen · 80 lines · 36 tokens per session scan A 24cb0ec851f3
reflect is a skill published in the GitHub repository michael-denyer/pstack-claude (3,302 stars, last pushed today), licensed MIT. It adds 36 tokens to every session and 1,711 once invoked, about $0.0001 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.
Other skills, from other repositories
nft-standards
Implement NFT standards (ERC-721, ERC-1155) with proper metadata handling, minting strategies, and marketplace integration. Use when creating NFT contracts, building NFT marketplaces, or implementing digital asset systems.
postgresql-table-design
Use this skill when designing or reviewing a PostgreSQL-specific schema. Covers best-practices, data types, indexing, constraints, performance patterns, and advanced features.
istio-traffic-management
Configure Istio traffic management including routing, load balancing, circuit breakers, and canary deployments. Use when implementing service mesh traffic policies, progressive delivery, or resilience patterns.
workflow-orchestration-patterns
Design durable workflows with Temporal for distributed systems. Covers workflow vs activity separation, saga patterns, state management, and determinism constraints. Use when building long-running processes, distributed transactions, or microservice orchestration.
cl-analyze
Analyze one ClosedLoop feature ticket from a URL or FEA slug before execution. Use when asked to assess ticket complexity, feasibility, readiness, applicable requirements PRDs and missing PRD links, UI design guidance, human UI plan approval needs, blockers, legacy split lineage, merge-batch compatibility, nonsensical…
software-ai-integration
Applies production AI integration patterns for chat, structured output, guardrails, provider routing, and AI UX. Use when adding LLM-powered features to an application.