Agent skills for ChatGPT

Reorient at the start of a fresh session — reads SESSION_HANDOFF, PROJECT_STATE invariants, the CHRONICLE tail and open PENDING_LEDGER…

Full Pine Script development loop — write code, compile, fix errors, iterate.

Verifies connectivity and ensures the Claude Code environment is correctly synced with the Eidos implementation.

Analyze pipeline health — prioritize deals, flag risks, get a weekly action plan.

Produce a complete positioning document using the Dunford framework — competitive alternatives, unique attributes, value, best-fit…

Product marketer — positioning, messaging, value prop, GTM strategy, and launch copy.

Get Codex's review of an implementation plan before the user starts building — trigger when they want Codex (or a named GPT model like…

Drive a browser with Playwright for RPA, web scraping, and workflow automation — resilient selectors, session persistence, retries.

Use when the task requires automating a real browser from the terminal

Analyze Playwright E2E test failure reports from CI.

Set up and use the Playwright browser pool MCP server.

Release a marketplace plugin - bump version, verify checklist, commit, and push in one invocation.

Add Polar billing to a TypeScript/JavaScript app using the @polar-sh/sdk package — Checkout, Customer Portal, and Webhooks endpoints in…

Finalize documentation and project metadata for a ship-ready release.

Convert HTML and Markdown content into Portable Text blocks for Sanity.

Scan the portfolio for the highest-leverage AI opportunities and rank where to deploy operating-partner time.

Optimizes PostgreSQL database architecture and queries using industry-standard best practices and Supabase-inspired patterns.

Comprehensive guide for migrating PostgreSQL tables to TimescaleDB hypertables with optimal configuration and performance validation

PostHog error tracking for Angular

PostHog feature flags for Java applications

PostHog feature flags for Next.js applications