market-sizing

market-sizing is a skill for Claude Code from mshadmanrahman/pm-pilot. It costs 53 tokens per session (1,211 once invoked), scanned A, original, MIT.

A market-sizing tool that estimates TAM, SAM, and SOM: the total possible market, the part a product can serve, and the part it could realistically capture. It combines web research with top-down and bottom-up calculations, stated assumptions, data sources, and confidence ranges.

In plain words
What is it for?
Use it to estimate the market for a product or service for a defined customer group, geography, and time horizon.
Why use it?
It helps replace vague claims about market opportunity with a calculation that can be checked and discussed. The assumptions show which parts of the estimate are uncertain.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the pm-core plugin — 14 skills, 2 agents shipped together

Good fit Use it to estimate the market for a product or service for a defined customer group, geography, and time horizon.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/mshadmanrahman/pm-pilot/market-sizing
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add mshadmanrahman/pm-pilot --skill market-sizing
Clone the repo
git clone --depth 1 https://github.com/mshadmanrahman/pm-pilot

Made for: Claude Code.

Or install pm-core, the plugin that ships this one along with the rest of its 14 skills, 2 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for market-sizing

README.md
[![agentmods](https://agentmods.dev/badge/skills/mshadmanrahman/pm-pilot/market-sizing/github.svg)](https://agentmods.dev/skills/mshadmanrahman/pm-pilot/market-sizing)
Your own site
<a href="https://agentmods.dev/skills/mshadmanrahman/pm-pilot/market-sizing"><img src="https://agentmods.dev/badge/skills/mshadmanrahman/pm-pilot/market-sizing/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for market-sizing

Your own site · 80×15
<a href="https://agentmods.dev/skills/mshadmanrahman/pm-pilot/market-sizing"><img src="https://agentmods.dev/badge/skills/mshadmanrahman/pm-pilot/market-sizing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,211 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00053 $0.01211
Opus 5 $0.00026 $0.00606
Sonnet 5 $0.00011 $0.00242
Haiku 4.5 $0.00005 $0.00121

Measured 10d ago against content hash cb53c15703df, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

market-sizing scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/pm-core/skills/market-sizing/SKILL.md · 147 lines

How it starts

The opening of the file, as written. The whole thing — 147 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Market Sizing

Produces a structured TAM/SAM/SOM market sizing analysis using web research, industry data, and bottom-up calculations.

When to Activate

  • User says "calculate TAM", "size the market", "market opportunity"
  • User asks "how big is the market for X?"
  • User needs market sizing for a pitch deck, PRD, or business case

Input

Required:

  • Product/service description: What is being sized
  • Target customer: Who buys this

Optional:

  • Geography: Default is global
  • Time horizon: Default is current year + 5-year projection
  • Methodology preference: top-down, bottom-up, or both (default: both)

Execution

Context Check

Before sizing, read context/product.md and context/competitors.md if they exist. Existing product positioning and competitive landscape inform market definition and assumptions. After completing the analysis, offer to update context/competitors.md with market landscape findings.

Step 1: Define the Market

Clarify with the user if ambiguous:

  • What problem is being solved?
  • Who are the target customers (segment, size, industry)?
  • What is the product/service category?
  • What is the geographic scope?

Step 2: Research (Parallel)

Use web search tools to gather data from multiple sources:

Data Type Sources to Search
Industry reports Gartner, Forrester, IDC, Statista, Grand View Research
Company data Public filings, earnings calls, analyst reports
Customer data Census data, industry associations, trade publications
Competitive landscape Crunchbase, PitchBook, competitor pricing pages
Growth rates Historical CAGR, analyst projections

Step 3: Calculate TAM (Two Methods)

Top-Down:

  1. Find total market category size from research reports
  2. Document source, year, and methodology
  3. Apply growth rate to current year if data is older

Bottom-Up:

  1. Count total potential customers in target segment
  2. Determine average annual revenue per customer (pricing research)
  3. TAM = Total Customers x Annual Revenue per Customer

Read the full file on GitHub · 147 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 147 lines · 53 tokens per session scan A cb53c15703df

Subscribe to this mod's changes

market-sizing is a skill published in the GitHub repository mshadmanrahman/pm-pilot (20 stars, last pushed 4d ago), licensed MIT. It adds 53 tokens to every session and 1,211 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Related

Other skills, from other repositories