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Market Sizing — TAM/SAM/SOM Calculator

Calculate defensible TAM, SAM, and SOM market sizes using top-down and bottom-up methods with source citations for pitches and business cases.

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High Signal

Calculate defensible TAM, SAM, and SOM market sizes using top-down and bottom-up methods with source citations for pitches and business cases.

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Install for OpenClaw

Quick setup
  1. Download the package from Yavira.
  2. Extract the archive and review SKILL.md first.
  3. Import or place the package into your OpenClaw setup.

Requirements

Target platform
OpenClaw
Install method
Manual import
Extraction
Extract archive
Prerequisites
OpenClaw
Primary doc
SKILL.md

Package facts

Download mode
Yavira redirect
Package format
ZIP package
Source platform
Tencent SkillHub
What's included
README.md, SKILL.md

Validation

  • Use the Yavira download entry.
  • Review SKILL.md after the package is downloaded.
  • Confirm the extracted package contains the expected setup assets.

Install with your agent

Agent handoff

Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.

  1. Download the package from Yavira.
  2. Extract it into a folder your agent can access.
  3. Paste one of the prompts below and point your agent at the extracted folder.
New install

I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Then review README.md for any prerequisites, environment setup, or post-install checks. Tell me what you changed and call out any manual steps you could not complete.

Upgrade existing

I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Then review README.md for any prerequisites, environment setup, or post-install checks. Summarize what changed and any follow-up checks I should run.

Trust & source

Release facts

Source
Tencent SkillHub
Verification
Indexed source record
Version
1.0.0

Documentation

ClawHub primary doc Primary doc: SKILL.md 9 sections Open source page

Market Sizing — TAM/SAM/SOM Calculator

Build defensible market sizing for any product, pitch deck, or business case. Top-down and bottom-up methodologies combined.

What You Get

TAM (Total Addressable Market) — entire market if you had 100% share SAM (Serviceable Addressable Market) — segment you can actually reach SOM (Serviceable Obtainable Market) — realistic capture in 12-36 months Bottom-up validation — unit economics × reachable customers Source citations — government data, industry reports, public filings

How to Use

Tell me your product/service and target customer. I'll build the full sizing. Example prompts: "Size the market for AI-powered contract review for mid-market law firms in the US" "TAM/SAM/SOM for a SaaS helpdesk targeting e-commerce brands doing $1M-$50M revenue" "Market size for automated bookkeeping for UK SMBs"

Top-Down

Start with total industry revenue (cite source) Filter by geography, segment, company size Apply technology adoption rates Result = SAM

Bottom-Up

Count reachable customers (databases, directories, LinkedIn) Multiply by realistic ACV (annual contract value) Apply conversion rates at each funnel stage Result = SOM

Triangulation

Compare top-down and bottom-up. If they're within 2-3x of each other, the sizing holds. If wildly different, investigate assumptions.

Output Format

  • ## Market Sizing: [Product/Service]
  • ### TAM — $X.XB
  • [Total market calculation with sources]
  • ### SAM — $XXM
  • [Filtered by geography + segment + tech adoption]
  • ### SOM (12-month) — $X.XM
  • [Bottom-up: customers × ACV × conversion]
  • ### Key Assumptions
  • [Assumption 1 + source]
  • [Assumption 2 + source]
  • ### Risks to Sizing
  • [What could make this smaller]
  • [What could make this bigger]

When to Use This

Pitch decks and investor presentations Go-to-market strategy planning New product feasibility analysis Board presentations and business cases Competitive positioning

Pro Tip

Most founders oversize their TAM and undersize their SOM. Investors see through inflated numbers instantly. A tight, well-sourced $50M SAM beats a hand-wavy $10B TAM every time. Need the full business context pack for your industry? Browse AfrexAI Context Packs — pre-built agent configs for Fintech, Healthcare, Legal, SaaS, and 6 more verticals ($47 each). Calculate what AI automation could save your business: AI Revenue Leak Calculator

Category context

Workflow acceleration for inboxes, docs, calendars, planning, and execution loops.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package
2 Docs
  • SKILL.md Primary doc
  • README.md Docs