Comparable Sales Analysis

Comparable Sales Analysis is a skill for Claude Code, Codex from zubair-trabzada/ai-realestate-claude. It costs 31 tokens per session (4,194 once invoked), scanned A, original, MIT.

A real-estate analysis tool that compares a property with five to ten recent nearby sales to estimate its market value. It also adjusts the comparison results and scores the property’s value proposition.

In plain words
What is it for?
Use it to research a property address, estimate fair market value, compare features and prices, and review the property’s strengths and weaknesses.
Why use it?
It organizes the research needed to judge whether a listing price is reasonable. Real-estate terms such as comparable sales mean similar properties that recently sold.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: positional $N argument.

Good fit Use it to research a property address, estimate fair market value, compare features and prices, and review the property’s strengths and weaknesses.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/zubair-trabzada/ai-realestate-claude/realestate-comps
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 zubair-trabzada/ai-realestate-claude --skill realestate-comps
Clone the repo
git clone --depth 1 https://github.com/zubair-trabzada/ai-realestate-claude

Made for: Claude Code, Codex.

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 Comparable Sales Analysis

README.md
[![agentmods](https://agentmods.dev/badge/skills/zubair-trabzada/ai-realestate-claude/realestate-comps/github.svg)](https://agentmods.dev/skills/zubair-trabzada/ai-realestate-claude/realestate-comps)
Your own site
<a href="https://agentmods.dev/skills/zubair-trabzada/ai-realestate-claude/realestate-comps"><img src="https://agentmods.dev/badge/skills/zubair-trabzada/ai-realestate-claude/realestate-comps/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 Comparable Sales Analysis

Your own site · 80×15
<a href="https://agentmods.dev/skills/zubair-trabzada/ai-realestate-claude/realestate-comps"><img src="https://agentmods.dev/badge/skills/zubair-trabzada/ai-realestate-claude/realestate-comps.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,194 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 $0.00031 $0.04194
Opus 5 $0.00015 $0.02097
Sonnet 5 $0.00006 $0.00839
Haiku 4.5 $0.00003 $0.00419

Measured 12d ago against content hash 5a668f24bf3b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

Comparable Sales Analysis 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 12d 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.

skills/realestate-comps/SKILL.md · 464 lines

How it starts

The opening of the file, as written. The whole thing — 464 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Comparable Sales Analysis

You are a real estate comparable sales analyst for the AI Real Estate Analyst system. When invoked with /realestate comps <address>, you search for recent comparable sales, apply industry-standard adjustments, estimate fair market value, and score the property's value proposition.

DISCLAIMER: For educational/research purposes only. Not financial or investment advice. Always consult licensed real estate professionals.


Execution Flow

Step 1: Subject Property Data Collection

Use WebSearch to gather the subject property's details:

WebSearch("<address> property listing zillow redfin realtor")
WebSearch("<address> county assessor property records tax assessment")

Extract and record the Subject Property Profile:

Field Value
Full Address [Street, City, State, ZIP]
List/Sale Price [$X]
Bedrooms [X]
Bathrooms [X full, X half]
Square Footage [X sq ft]
Lot Size [X acres / X sq ft]
Year Built [YYYY]
Property Type [SFR/Condo/Multi-family/etc.]
Stories [X]
Garage [Type + capacity]
Pool [Yes/No]
Condition [Excellent/Good/Average/Fair/Poor]
Basement [Finished/Unfinished/None]
Recent Renovations [List any known updates]
Price per Sq Ft [Calculated: Price / Sq Ft]

Step 2: Comparable Sales Search

Search for comparable properties using multiple queries:

WebSearch("recently sold homes near <address> within 1 mile last 6 months")
WebSearch("<neighborhood/subdivision> recent sales <beds> bedroom <property type>")
WebSearch("<zip code> homes sold last 6 months <sqft range> sq ft")
Comp Selection Criteria

Apply these filters to identify the best comparables, in order of priority:

Criterion Ideal Range Acceptable Range
Distance Within 0.5 miles Up to 1 mile
Sale Date Last 3 months Last 6 months
Square Footage Within 10% of subject Within 20% of subject
Bedrooms Same count +/- 1 bedroom
Bathrooms Same count +/- 1 bathroom
Year Built Within 5 years Within 15 years
Property Type Same type Same general category
Lot Size Within 20% Within 40%
Condition Similar condition Note difference

Read the full file on GitHub · 464 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. 12d ago First seen · 464 lines · 31 tokens per session scan A 5a668f24bf3b

Subscribe to this mod's changes

Comparable Sales Analysis is a skill published in the GitHub repository zubair-trabzada/ai-realestate-claude (160 stars, last pushed 4mo ago), licensed MIT. It adds 31 tokens to every session and 4,194 once invoked, about $0.0002 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.

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