Crucible

Everyday product management work: PRDs, prioritization, market sizing, meeting prep, stakeholder intel, weekly status, critique.

15 skills · 2 agents

Shipping discipline for PMs who code: TDD workflow, pre-commit verification loop, security review, research-before-build.

4 skills · 4 commands · 3 agents

Zero-code bug triage for PMs. Checks in parallel whether old bugs still reproduce, reviews the verdicts, and syncs results back to Jira, Linear, or GitHub Issues.

5 skills · 1 agent

Session and context management: session init, handoff documents, context compaction, parallel task orchestration.

6 skills

Writing and market research skills: voice-consistent drafting, Substack long-form, competitive and market research.

3 skills

Customer discovery that does not invent quotes. Turns one interview into a structured snapshot with every quote verified against the transcript, then runs the full cycle: frame, interview, synthesize, package.

2 skills

Neural trading strategies — self-learning LSTM/Transformer/N-BEATS models with Rust/NAPI backtesting

9 skills · 1 command · 4 agents

Builds a VillageSQL extension for MySQL end-to-end through a 7-phase persona-driven workflow. Commonly used to port PostgreSQL extensions to MySQL.

Database migration automation, observability, and cross-database migration strategies

2 commands · 2 agents

Free AI-powered SEO toolkit — audit websites, plan content strategy, optimize pages, generate schema markup, cluster keywords, and track AI visibility. Works with any website or codebase.

11 skills · 6 commands

gbrain persona variant for coding agents: the brain-first coding skill set (retrieval, routing, ingest discipline, correction hygiene) — a curated subset of the full plugin. Install exactly one gbrain plugin per machine.

21 skills · 1 MCP server · hooks

32 engineering skills: architecture, frontend, backend, fullstack, QA, DevOps, security, AI/ML, data engineering, Playwright (9 sub-skills), self-improving agent, Stripe integration, TDD guide, tech stack evaluator, Google Workspace CLI, a11y audit (WCAG 2.2), Azure cloud architect, GCP cloud architect, security pen testing, Snowflake development, adversarial-reviewer, ai-security, cloud-security, incident-response, red-team, threat-detection. v2.8.1 audits senior-fullstack / senior-frontend / senior-backend against karpathy-coder + Matt Pocock — each ships a 7-question forcing-question library, 4 customization profiles (JSON), deterministic decision engine, composition map into POWERFUL specialists, plus cs-fullstack-engineer / cs-frontend-engineer / cs-backend-engineer orchestrator agents (context: fork) + /cs-fullstack-review, /cs-frontend-review, /cs-backend-review, /cs-engineer-grill slash commands.

35 skills · hooks