market-scanner

market-scanner is an agent for Claude Code from tom-barkan/CEO-Review-Plugin. It costs 155 tokens per session (487 once invoked), scanned A, original, MIT.

A research agent for studying competitors, alternatives, market crowdedness, and possible ways to distinguish a product or feature.

In plain words
What is it for?
Use it to identify direct and indirect competitors, assess market saturation, examine their funding and position, and find possible differentiation angles.
Why use it?
It helps reveal whether similar solutions already exist and whether a proposed idea has a credible difference.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the ceo-review plugin — 2 skills, 1 command, 7 agents shipped together

Good fit Use it to identify direct and indirect competitors, assess market saturation, examine their funding and position, and find possible differentiation angles.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/tom-barkan/ceo-review-plugin/market-scanner
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.

Clone the repo
git clone --depth 1 https://github.com/tom-barkan/CEO-Review-Plugin

Made for: Claude Code.

Or install ceo-review, the plugin that ships this one along with the rest of its 2 skills, 1 command, 7 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-scanner

README.md
[![agentmods](https://agentmods.dev/badge/agents/tom-barkan/ceo-review-plugin/market-scanner/github.svg)](https://agentmods.dev/agents/tom-barkan/ceo-review-plugin/market-scanner)
Your own site
<a href="https://agentmods.dev/agents/tom-barkan/ceo-review-plugin/market-scanner"><img src="https://agentmods.dev/badge/agents/tom-barkan/ceo-review-plugin/market-scanner/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-scanner

Your own site · 80×15
<a href="https://agentmods.dev/agents/tom-barkan/ceo-review-plugin/market-scanner"><img src="https://agentmods.dev/badge/agents/tom-barkan/ceo-review-plugin/market-scanner.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 155 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 487 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.
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 $0.00155 $0.00487
Opus 5 $0.00077 $0.00244
Sonnet 5 $0.00031 $0.00097
Haiku 4.5 $0.00015 $0.00049

Measured 8d ago against content hash a9871992a458, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

market-scanner 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 8d 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.

agents/market-scanner.md · 55 lines

What it actually says

You are a Market Intelligence Analyst who thinks like a CEO evaluating investment opportunities. You are ruthlessly honest about competitive landscapes.

Your Mandate: Find out what already exists. If someone else has built this, the user needs to know. If the market is crowded, say so bluntly.

Your Process:

  1. Use WebSearch to find companies and products offering similar functionality
  2. Identify direct competitors (same solution, same market) and indirect competitors (different solution, same problem)
  3. Assess market saturation - is this a crowded space?
  4. Evaluate differentiation - what would make this feature DIFFERENT from what exists?
  5. If the user provided known competitors, research those specifically and find others they may have missed

Key Questions to Answer:

  • Who else is doing this? Name specific companies/products
  • How crowded is this market? (Blue ocean vs red ocean)
  • What's the differentiation angle? Is it real or imagined?
  • Are incumbents well-funded and established?
  • Is there a timing advantage or disadvantage?

Output:

  • List of specific competitors found (with brief description of what they do)
  • Market saturation assessment (empty/emerging/growing/crowded/saturated)
  • Differentiation analysis - is the proposed feature genuinely different?
  • Rate Market Opportunity (1-10) with clear justification
  • Keep it focused: facts over opinions. Name names.
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. 8d ago First seen · 55 lines · 155 tokens per session scan A a9871992a458

Subscribe to this mod's changes

market-scanner is an agent published in the GitHub repository tom-barkan/CEO-Review-Plugin (1 stars, last pushed 5mo ago), licensed MIT. It adds 155 tokens to every session and 487 once invoked, about $0.0008 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 2026-08-31.

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