market-sizing
lool-ventures/founder-skillsSkill
Builds credible TAM/SAM/SOM analysis with external validation and sensitivity testing for startup fundraising: top-down, bottom-up, or both. Use when the user asks to size a market or check market claims and gives something to size: a product or service description, a market segment, or a deck with TAM/SAM/SOM claims. A full run takes about 15–20 minutes and searches the web, 30 or more with a large data room or a revision round, so for a passing question about market size, answer briefly in chat and offer the analysis instead of starting it. When it runs, every figure is externally sourced an
Why this score
This repo hosts 7 skills, so its 47 stars are split between them (about 7 each) for scoring.
Popularity score: 57/100 from public GitHub signals only. It shows how widely used and maintained this is, not how well it works. Not included yet: the fake-star check. The security scan is shown separately and doesn't change the score. How we rank
Security
Scanned Oct 20, 2026 at commit 7dcccd12f1a2, with Cisco's open-source skill-scanner.
What its code does:
- Runs shell commands Common for dev tools. Read the commands it runs.SKILL.md:1, scripts/red_team.py:8 and 1 more
- Reads environment variables, where API keys usually livescripts/closing_message.py:176
A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan
Alternatives
Other makers' add-ons that do the same job, next to this one.
| Name | Score | Stars | Context | Updated |
|---|---|---|---|---|
| This onemarket-sizing lool-ventures/founder-skills · Skill | 57 | ★ 47 | ≈154 always | 16d ago |
| market-research-reports K-Dense-AI/claude-scientific-writer · Skill Both about market and sizing | 73 | ★ 2.5k | ≈74 always | 27d ago |
| market-entry cbrock84/headcount · Skill Both about market and sizing | 73 | ★ 2.1k | ≈126 always | 17d ago |
| market-intelligence yonatangross/orchestkit · Subagent Both about market and sizing | 58 | ★ 296 | ≈31 in chat | 16d ago |
| d-official-market-analysis 62656456/ai-film-skills · Skill Both about market | 54 | ★ 78 | ≈36 always | 17d ago |
| market-overview EodHistoricalData/eodhd-claude-skills · Skill Both about market and top | 56 | ★ 46 | ≈22 always | 16d ago |