REA
Reverse engineer anything from your terminal or agent with one CLI and MCP server.
Amazon catalog auditing tool. 13 quality checks for your listings.
Pick the AI app you use, then copy the settings.
Passed 3/3 checks · Runs on your computer · ✓ Commands checked Nov 13, 2026
First: which AI do you use?
Pick your app and the steps appear below.
Works with Claude, with some setup first
You need a Catalog Cli Pro key (create it on the maker’s site) · Install Node.js on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone
One time only; it works for every server that needs Node.js
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
SettingsDeveloperEdit Config
{
"mcpServers": {
"catalog-cli-pro": {
"command": "npx",
"args": [
"-y",
"@bwb03/catalog-cli-pro"
],
"env": {
"CATALOG_API_KEY": "your-value"
}
}
}
}Paste the key only into the app’s field, never into a chat or to anyone
Use Catalog Cli Pro and tell me what you can do for me, then show me one thing✓ If Claude says it is using Catalog Cli Pro or shows a Catalog Cli Pro tool in the answer, you are connected
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
ChatGPT cannot connect Catalog Cli Pro yet
Catalog Cli Pro runs on your computer, but ChatGPT can only connect servers that run on the web
A · Use an app that can connect Catalog Cli Pro
B · Others in Developer tools that work with ChatGPT
Picked from the most used in the same category, only ones that connect by address with no key
Works with Claude Code, with some setup first
You need a Catalog Cli Pro key (create it on the maker’s site) · Install Node.js on your computer first (one time)
One time only; it works for every server that needs Node.js
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
Mac: press Command+Space and type Terminal · Windows: open PowerShell
claude mcp add --scope user catalog-cli-pro --env CATALOG_API_KEY=your-value -- npx -y @bwb03/catalog-cli-proReplace “your-value” with your key before pressing Enter
Paste the key only into the app’s field, never into a chat or to anyone
You should see Catalog Cli Pro listed as connected
Use Catalog Cli Pro and tell me what you can do for me, then show me one thing✓ If Claude Code says it is using Catalog Cli Pro or shows a Catalog Cli Pro tool in the answer, you are connected
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with Cursor, with some setup first
You need a Catalog Cli Pro key (create it on the maker’s site) · Install Node.js on your computer first (one time)
One time only; it works for every server that needs Node.js
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
In the Catalog Cli Pro settings, CATALOG_API_KEY is empty; add your key and save
Paste the key only into the app’s field, never into a chat or to anyone
Use Catalog Cli Pro and tell me what you can do for me, then show me one thing✓ If Cursor says it is using Catalog Cli Pro or shows a Catalog Cli Pro tool in the answer, you are connected
Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with VS Code, with some setup first
You need a Catalog Cli Pro key (create it on the maker’s site) · Install Node.js on your computer first (one time)
One time only; it works for every server that needs Node.js
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
In the Catalog Cli Pro settings, CATALOG_API_KEY is empty; add your key and save
Paste the key only into the app’s field, never into a chat or to anyone
Use Catalog Cli Pro and tell me what you can do for me, then show me one thing✓ If VS Code says it is using Catalog Cli Pro or shows a Catalog Cli Pro tool in the answer, you are connected
Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Claude Code
claude mcp add --scope user catalog-cli-pro --env CATALOG_API_KEY=your-value -- npx -y @bwb03/catalog-cli-proClaude Desktop (claude_desktop_config.json)
{
"mcpServers": {
"catalog-cli-pro": {
"command": "npx",
"args": [
"-y",
"@bwb03/catalog-cli-pro"
],
"env": {
"CATALOG_API_KEY": "your-value"
}
}
}
}Cursor (~/.cursor/mcp.json)
{
"mcpServers": {
"catalog-cli-pro": {
"command": "npx",
"args": [
"-y",
"@bwb03/catalog-cli-pro"
],
"env": {
"CATALOG_API_KEY": "your-value"
}
}
}
}VS Code (mcp.json)
{
"servers": {
"catalog-cli-pro": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@bwb03/catalog-cli-pro"
],
"env": {
"CATALOG_API_KEY": "your-value"
}
}
}
}CATALOG_API_KEY secret required envDescriptions are as written by the maker.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.
Run on your computer in
ClaudeGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatRaycast
Runs on your computer; the tool list appears in your AI app after you install it.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 14, 2026
The registry name was verified with the GitHub account BWB03, which owns the repo
Code last changed 2 months ago
Uses MIT
This one runs on your computer; there is no internet endpoint
Runs on your computer and uses local settings instead
Runs on your computer; we can only read tool lists from internet endpoints
Ask, share a tip or report that it does not work. Sorted by what people marked helpful.
No posts yet. Be the first to ask or share.
Posts here are written by users, not the PopNx team.
No reviews yet
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
You need to fill in: CATALOG_API_KEY
It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).
The GitHub repo last changed 2 months ago, and the latest version (1.0.0) reached the registry 7 months ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.
Servers in the same category from other makers, sorted by stars.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
Reverse engineer anything from your terminal or agent with one CLI and MCP server.
A powerful toolkit for coding, providing semantic retrieval and editing capabilities.
Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.
Agent-native Amazon catalog auditing tool
The first AI-agent-friendly Amazon catalog analysis tool. Query your CLRs with structured input, integrate via MCP server, and automate catalog audits.
Hosted API available at api.catalogcli.com — persistent storage, unlimited scans, and API access for $9.99/mo. Learn more
catalog listing fetch catalog listing diff catalog_seller_listing_fetch and catalog_seller_listing_diff--cookie, --cookie-file, or CATALOG_SELLER_CENTRAL_COOKIE; Seller Central cookies stay localmobile-title-readiness flags titles over 75 characters for Amazon's mobile title updatetitle-75 and amazon-title-75 make it easy to call from Claude, MCP clients, and automation workflowslong-titles check unchangedcatalog/core/, powering both CLI and MCPcatalog mcp launches a stdio MCP server with 4 tools, ready for Claude Desktop and any MCP client--json and --stdin flags for structured agent inputcatalog schema --format json returns full request/response schemas--fields sku,severity,details to reduce output size--limit and --offset for controlling result size--format ndjson for line-by-line streaming of large resultsCATALOG_CLI_DEFAULT_FORMAT=json for headless/CI usepip install amazon-catalog-cli
Or install from source:
git clone https://github.com/BWB03/amazon-catalog-cli.git
cd amazon-catalog-cli pip install -e .
# Run all catalog checks
catalog scan my-catalog.xlsx
catalog scan my-catalog.xlsx --show-details
catalog check intent-bullets my-catalog.xlsx
catalog check mobile-title-readiness my-catalog.xlsx
catalog list-queries
# JSON output with field mask and limit
catalog scan my-catalog.xlsx --format json --fields sku,severity,details --limit 20
catalog check mobile-title-readiness my-catalog.xlsx --format json \ --fields sku,details,title_char_count,mobile_visible_title,overflow_title,all_significant_terms
catalog scan --json '{"file": "my-catalog.xlsx", "queries": ["missing-attributes"], "limit": 10}'
echo '{"file": "my-catalog.xlsx"}' | catalog scan --stdin --format json
catalog scan my-catalog.xlsx --format ndjson
catalog schema --format json
CATALOG_SELLER_CENTRAL_COOKIE='session-id=...' catalog listing fetch B000TEST01 --format json
catalog listing diff B000TEST01 my-catalog.xlsx --sku SKU-123 --format json
# Start MCP server
catalog mcp
Add to Claude Desktop config:
{
"mcpServers": { "catalog": { "command": "catalog", "args": ["mcp"] } } }
MCP tools: catalog_scan, catalog_scan_summary, catalog_check, catalog_seller_listing_fetch, catalog_seller_listing_diff, catalog_list_queries, catalog_schema
catalog scanRun all queries on a CLR file.
catalog scan <clr-file> [OPTIONS]
Options: --format [terminal|json|csv|ndjson] Output format (default: terminal) --output PATH Output file path --show-details / --no-details Show detailed results --include-fbm-duplicates Legacy: include repeated exact-SKU rows --json TEXT JSON request body --stdin Read JSON request from stdin --queries TEXT Comma-separated query names --fields TEXT Comma-separated field mask --limit INTEGER Max issues to return --offset INTEGER Skip first N issues
catalog checkRun a specific query.
catalog check <query-name> <clr-file> [OPTIONS]
Options: --format [terminal|json|csv|ndjson] Output format (default: terminal) --output PATH Output file path --show-details / --no-details Show detailed results --json TEXT JSON request body --stdin Read JSON request from stdin --fields TEXT Comma-separated field mask --limit INTEGER Max issues to return --offset INTEGER Skip first N issues
catalog listing fetchFetch Amazon's live Seller Central listing JSON for an ASIN.
Requires a logged-in Seller Central cookie from your own browser session. Pass it with --cookie, --cookie-file, or the CATALOG_SELLER_CENTRAL_COOKIE environment variable.
catalog listing fetch <asin> [OPTIONS]
Options: --format [terminal|json] Output format (default: terminal) --output PATH Output file path --cookie TEXT Seller Central Cookie header value --cookie-file PATH File containing the Cookie header value --timeout FLOAT HTTP timeout in seconds --json TEXT JSON request body --stdin Read JSON request from stdin
catalog listing diffCompare Amazon's live Seller Central listing JSON with a matching CLR row.
Rows match by --sku when provided. Otherwise Catalog CLI looks for Product Id Type = ASIN and Product Id = in the CLR.
catalog listing diff <asin> <clr-file> [OPTIONS]
Options: --sku TEXT Optional SKU to match in the CLR --format [terminal|json] Output format (default: terminal) --output PATH Output file path --cookie TEXT Seller Central Cookie header value --cookie-file PATH File containing the Cookie header value --timeout FLOAT HTTP timeout in seconds --json TEXT JSON request body --stdin Read JSON request from stdin
catalog schemaShow schema for queries, params, and response shapes.
catalog schema [query-name] [OPTIONS]
Options: --format [terminal|json] Output format
catalog list-queriesList available queries.
catalog list-queries [OPTIONS]
Options: --format [terminal|json] Output format
catalog mcpStart the MCP server (stdio transport).
catalog mcp
catalog setup-claudeConfigure Claude Code to use Catalog CLI as an MCP tool server.
# Free (local) — data stays on your machine
catalog setup-claude
catalog setup-claude --pro --api-key YOUR_KEY
catalog setup-claude --project
After setup, restart Claude Code and try: *"Scan my-catalog.xlsx and tell me the biggest issues"*
{
"timestamp": "2026-03-05T10:30:00Z", "marketplace": "US", "is_us_marketplace": true, "total_queries": 14, "total_issues": 47, "total_affected_skus": 23, "results": [ { "query_name": "missing-attributes", "description": "Find mandatory attributes missing from listings", "total_issues": 12, "affected_skus": 8, "issues": [ { "row": 7, "sku": "ABC-123", "field": "brand", "severity": "required", "details": "Missing required field: brand", "product_type": "HAIR_STYLING_AGENT", "extra": {} } ] } ] }
import subprocess, json
result = subprocess.run( ['catalog', 'scan', 'my-catalog.xlsx', '--format', 'json', '--fields', 'sku,severity,details', '--limit', '20'], capture_output=True, text=True ) data = json.loads(result.stdout)
from catalog.core import execute_scan, ScanRequest
request = ScanRequest( file="my-catalog.xlsx", queries=["missing-attributes", "intent-bullets"], fields=["sku", "severity", "details"], limit=20, ) response = execute_scan(request)
Add the MCP server to any MCP client (Claude Desktop, CLR Pro, etc.) and call catalog_scan, catalog_check, catalog_seller_listing_fetch, catalog_seller_listing_diff, catalog_list_queries, or catalog_schema.
The intent-bullets query evaluates bullet points against COSMO-inspired shopper intent coverage:
Scores 1-5 with actionable suggestions. The old rufus-bullets query name still works as a deprecated compatibility alias.
#