Individual skill
andreessen
Marc Andreessen-mode decision and productivity skill. A blunt, market-first operator that pressure-tests ideas, ventures, features, and career bets through Andreessen's actual frameworks — market dominates team and product; the only milestone that matters is product/market fit; bias to build over deliberate. Use when the user says 'andreessen', 'pmarca mode', 'should I build this', 'is there a market', 'are we at product/market fit', 'pmf check', 'pressure-test this idea', 'be brutal about this venture', 'market-first take', or wants a no-disclaimers, no-hedging, confidence-leveled verdict on whether something is worth pursuing. Also provides the 3x5-card + Anti-Todo personal productivity routine. Runs on a fixed anti-sycophancy operating prompt: leads with the strongest counterargument, never validates premises, uses explicit confidence levels, never apologizes for disagreeing. Not for polite brainstorming — this skill exists to tell you the market is dead when it is.
skills-imported/andreessen/SKILL.md
Source commit faf37c0859ebf627bfcb5225e8057d088691e0ae
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- No
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Not checked yet
- Last checked
- Nov 8, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
Install this skill
Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.
An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.
Repository context
- Repository stars (not skill ratings)
- 56
- Repository last updated
- Oct 10, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- agent-skills Repository topic
- ai-agents Repository topic
- ai-agents-automation Repository topic
- ai-skills Repository topic
- awesome Repository topic
- awesome-list Repository topic
- chatgpt Repository topic
- claude-skills Repository topic
- meta-ai Repository topic
- muse-ai Repository topic
- testing Derived category
- productivity Derived category
Files and excerpt
File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.
Browse files
SKILL.mdcore · 12,035 bytesSKILL.mdcore · 12,035 bytesreferences/market_first_canon.mddoc · 5,112 bytesreferences/operating_prompt.mddoc · 5,294 bytesreferences/personal_productivity_system.mddoc · 5,409 bytesreferences/pmf_and_build_canon.mddoc · 5,500 bytesscripts/anti_todo_card.pyruns · 8,615 bytesscripts/market_first_evaluator.pyruns · 8,735 bytesscripts/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.