What is tam-sam-som-calculator?
tam-sam-som-calculator is a Claude skill by deanpeters that project market size with real-world data and citations. It is listed under Data & databases and has 7,458 GitHub stars.
| Type | Claude skill |
|---|---|
| Author | deanpeters |
| Repository | deanpeters/Product-Manager-Skills |
| Popularity | 7,458 GitHub stars |
| Category | Data & databases |
| Security | Low risk (96/100) |
| Rank | #418 of 1,262 Claude skills; #18 in Data & databases |
| SKILL.md length | 457 lines |
| Last commit | 2026-10-16 |
| Stars this week | +205 |
Is tam-sam-som-calculator safe to install?
tam-sam-som-calculator scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 of 9 checks.
Skill results come from a static scan of its SKILL.md for instruction overrides, hidden actions, risky commands and credential access.
| Check | Result |
|---|---|
| No instruction-override phrases | Pass |
| No hidden actions | Pass |
| No pipe-to-shell installers | Pass |
| No obfuscated code | Pass |
| No destructive commands | Pass |
| Doesn't ask for keys or credentials | Pass |
| No network requests | Pass |
| Runs shell commands | Note |
| Installs no packages | Pass |
What the scan matched
- shell:
```bash - scripts:
scripts/market-sizing.py
How do I install tam-sam-som-calculator?
- Install with the skills CLI. Works for Claude Code and other agents that read skills.
npx skills add https://github.com/deanpeters/Product-Manager-Skills --skill tam-sam-som-calculator
- Or copy it by hand. Claude Code loads any folder with a SKILL.md from ~/.claude/skills.
git clone https://github.com/deanpeters/Product-Manager-Skills cp -r Product-Manager-Skills/skills/tam-sam-som-calculator ~/.claude/skills/tam-sam-som-calculator
- Use it. Claude loads the skill when a task matches its description. You can also name it in your prompt.
Use the tam-sam-som-calculator skill to …
Or ask Claude to set it up
Paste this into Claude Code and it installs tam-sam-som-calculator for you:
Install the "tam-sam-som-calculator" skill from https://github.com/deanpeters/Product-Manager-Skills/tree/main/skills/tam-sam-som-calculator into ~/.claude/skills, then tell me in one line what it does.
More from deanpeters/Product-Manager-Skills
This repository has at least 9 Claude skills on MCPMods.
- acquisition-channel-advisor: Evaluate channels using unit economics and recommend scale/test/kill decisions (Low risk)
- ai-shaped-readiness-advisor: Assess automation vs. redesign opportunities across five competencies (Low risk)
- altitude-horizon-framework: Navigate the PM→Director mindset shift covering scope, time horizons, and failure modes (Low risk)
- business-health-diagnostic: Diagnose SaaS health, identify red flags, and prioritize recovery actions (Low risk)
- company-research: Deep-dive competitor or company analysis (Low risk)
- customer-journey-map: Map customer experience across touchpoints using the NNGroup framework (Low risk)
- eol-message: Communicate product or feature deprecation gracefully (Low risk)
- epic-hypothesis: Turn initiatives into testable hypotheses with measurable success metrics (Low risk)