Make your own agent setup reliable: instruction files that are met at the moment they apply, rules held by hooks instead of prose, status that survives context compaction, the handover the next session starts from, a session's friction turned into a setup fix, and the Windows shell traps that break agents.
Plugin agent-harness from marketplace product-engineering in phuryn/product-engineering. Commands read from the repo's manifest — yesterday.
agent-instructionsWriting or restructuring AGENTS.md or CLAUDE.md, adding a rule ('remember this'), or after an agent ignored a rule it had: make each rule get met when it applies.
flight-deck'What's the status', 'where were we', a progress report or status deck; long work that must survive compaction: multi-hour runs, background jobs, waiting on a decision.
guardrail-hooksAn agent keeps breaking a rule ('it did it again', 'make this impossible', 'add a hook', 'my hook didn't fire'): make it a hook, permission rule or script.
handoverWrite the handover a fresh session starts from: the objective, what is true now, the evidence actually obtained, what is left, the open decisions and the next concrete action, reconciled with the disk first. Started by name only: /agent-harness:handover in Claude Code, $agent-harness:handover in Cod
retroBuild a session's learnings into the setup: its friction, what went wrong and why, then an improved instruction, route, hook or script, verified, or 'no setup change warranted'. Started by name only: /agent-harness:retro in Claude Code, $agent-harness:retro in Codex.
windows-agent-shellA coding agent on Windows: Git Bash path rewriting, PowerShell quoting and encoding, CRLF. Use when output comes back garbled, or it works here and breaks there.
Build a SaaS app with coding agents on Next.js, Supabase, Clerk and Netlify: the path from idea to production, multi-tenant authorization, the production choices for Supabase and Clerk, environments and secrets, product design, transactional email, uptime monitoring, cookieless analytics, legal pages, remote MCP servers, ChatGPT plugins and embedded Claude agents.
14 skills
Ship AI-built apps: document the app, review it for correctness, security and performance, have a fresh reviewer clear every push that deploys and every release, round after round, prove it with a test harness that fakes the right side, and release through a gate with the owner's go. Where the free pm-ai-shipping plugin moved: turn that one off once this is installed.
11 skills
Decide what to build before building it: find where the work stands, research an idea and propose hypotheses with their sources in one artifact with key screens, then competitors and segments, the value proposition, the value curve, the beachhead segment and growth loops.
8 skills
Work with other coding agents as partners: brief any delegate with the why, and drive the Codex CLI, the Grok CLI or Claude Code headless from another agent as a peer, builder or fresh reviewer. The review loop itself is independent-review, in ai-shipping.
4 skills
Edit AI-sounding work writing so it reads like a careful person wrote it, without changing what it says — or interview the writer and build the piece from their answers.
1 skill
Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques
15 skills · hooks
CMEM Pro for the Claude app - hooks stream tool use to cmem.ai and inject observations into new sessions and agents
3 skills · 1 MCP server · hooks
Up-to-date documentation lookup. Pull version-specific documentation and code examples directly from source repositories into your coding agent's context.
1 MCP server
AI memory system — mine projects and conversations into a searchable palace. 47 MCP tools, auto-save hooks, guided setup.
3 skills · 6 commands · 1 MCP server · hooks
Build powerful, stateful CLI interfaces for any GUI application using the cli-anything harness methodology.
5 commands
Automates browser interactions for web testing, form filling, screenshots, and data extraction
12 skills
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