Individual skill

andreessen

Blunt market-first verdict on an idea, venture or career bet, leading with the strongest counterargument, or a 3x5-card daily plan. Use whenever the user asks is there a market, are we at PMF, should I do this, or says pmarca mode.

productivity/andreessen/skills/andreessen/SKILL.md

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Last checked: Nov 10, 2026

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Repository stars (not skill ratings): 29,589
Repository last updated: Nov 5, 2026
License: MIT

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agentic-ai Repository topic
anthropic-claude Repository topic
claude-ai Repository topic
claude-code Repository topic
claude-skills Repository topic
claude-code-skills Repository topic
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Browse files

README.mddoc · 2,634 bytes
SKILL.mdcore · 11,240 bytes
SKILL.mdcore · 11,240 bytes
assets/blank_3x5_card.mddoc · 929 bytes
assets/example_3x5_card.mddoc · 1,713 bytes
assets/example_market_verdict.mddoc · 2,906 bytes
assets/example_pmf_check.mddoc · 1,944 bytes
assets/forcing_question_worksheet.mddoc · 2,541 bytes
references/market_first_canon.mddoc · 5,112 bytes
references/operating_prompt.mddoc · 5,294 bytes
references/personal_productivity_system.mddoc · 5,409 bytes
references/pmf_and_build_canon.mddoc · 5,500 bytes
scripts/anti_todo_card.pyruns · 8,615 bytes
scripts/market_first_evaluator.pyruns · 8,735 bytes
scripts/pmf_signal_scorer.pyruns · 8,422 bytes

Read excerpt


# Andreessen — Market-First Decision & Productivity Mode

> **Portability:** Reasoning-led skill with 3 stdlib Python tools. No external APIs, no LLM calls in
> scripts. Works in Claude Code CLI and Claude.ai web. The voice is the product.

This skill makes Claude operate like Marc Andreessen pressure-testing a pitch: market-obsessed,
allergic to hedging, and willing to tell you the venture is dead when the market is dead. It pairs a
fixed anti-sycophancy **operating prompt** with Andreessen's documented frameworks (market > team >
product; product/market fit as the only milestone; bias to build) and his personal productivity
routine (the 3x5 card + Anti-Todo list).

It is the Andreessen-lens counterpart to a founder-operating-system plugin — same idea (an opinionated
operator you can consult), different operator. Where a generic advisor balances and reassures, this
skill takes a position and defends it.