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com.mambabuilt/mcp-launch-directory-list-builder

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Ranked, live checked startup directories, launch sites, and communities to submit to

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @mambalabsdev/mcp-launch-directory-list-builder
Claude Code 
claude mcp add mcp-launch-directory-list-builder -e 'APIFY_TOKEN=<your apify_token>' -- npx -y @mambalabsdev/mcp-launch-directory-list-builder@1.0.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "mcp-launch-directory-list-builder": {
            "command": "npx",
            "args": [
                "-y",
                "@mambalabsdev/mcp-launch-directory-list-builder@1.0.0"
            ],
            "env": {
                "APIFY_TOKEN": "<your apify_token>"
            }
        }
    }
}

Environment variables

  • APIFY_TOKEN required secret Apify API token from https://console.apify.com/account/integrations

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Launch Directory List Builder MCP Server
  2. What's Inside
  3. What it does
  4. Quick start
  5. Prerequisites
  6. Example prompts
  7. Tool
  8. Inputs
  9. Pricing
  10. Full actor documentation
  11. License

Launch Directory List Builder MCP Server

An MCP server for the Mamba Labs Launch Directory List Builder actor on Apify. Describe what you are launching and get a ranked list of places to submit it, each checked live today.

What's Inside

What it does

The places (directories, launch sites, newsletters, communities, subreddits, marketplaces, press and review pages, and curated GitHub lists) come from the public domain awesome-submitlist catalog, read fresh on every run. Each row carries the submission link, price, link type, audience, rules, and a fit score against your description. The actor checks each submission page live, with robots.txt obeyed: up, moved to another site, parked, gone, login first, submit form found, prices shown, and the newest date on the page. A Tranco popularity rank is added per site. One free summary row closes each run.

All of the work runs on Apify. This package is a thin client that starts the actor run, waits for it, and hands back the dataset rows.

Quick start

You need Node.js 18 or newer and an Apify account with an API token.

Add this to your Claude Desktop config (claude_desktop_config.json), Cursor, or any MCP client:

{
  "mcpServers": {
    "mamba-launch-directory-list-builder": {
      "command": "npx",
      "args": ["-y", "@mambalabsdev/mcp-launch-directory-list-builder"],
      "env": {
        "APIFY_TOKEN": "your-apify-token"
      }
    }
  }
}

Restart the client. The build_launch_directory_list tool appears.

Prerequisites

Example prompts

  • "Where should I launch my AI meeting notes tool for sales teams? Give me the 25 best fits."
  • "List free directories that give a dofollow link, and check which ones are still up."
  • "Which launch sites have a submit form and showed activity this month?"

Tool

build_launch_directory_list. One tool. Example arguments:

{
  "product_description": "AI meeting notes tool for B2B sales teams",
  "categories": [
    "saas",
    "ai"
  ],
  "max_rows": 25
}

Inputs

Every buyer facing input of the actor. Omitted inputs take the actor's own defaults.

InputTypeRequiredDescription
product_descriptionstringnoWhat you are launching and who it is for.
categoriesarraynoai, analytics, business, community, design, developer-tools, ecommerce, indie, marketing, productivity, saas, social, software, startup.
keywordsarraynoExtra words to score places by.
typesarraynodirectory, product-launch-site, newsletter, community, subreddit, marketplace, citation, github. Default all but github.
free_onlybooleannoPlaces marked free only. Default false.
dofollow_onlybooleannoPlaces marked dofollow only. Default false.
min_fit_scoreintegernoMinimum fit score, 0 to 100. Default 0.
check_livebooleannoCheck each page today. Default true.
include_rankbooleannoAdd the Tranco rank. Default true.
max_rowsintegernoPlace rows per run. Default 100.
only_newbooleannoSkip places an earlier run returned. Default false.
state_keystringnoName for the only new places memory.
max_charge_usdstringnoOptional cost cap for the run.
proxy_modestringnoauto or direct. Default auto.

Pricing

Pay per event on Apify, billed to your Apify account. Prices in USD.

EventFree planBronzeSilverGold
destination-row, per place delivered$0.005$0.00475$0.0045$0.00425
apify-actor-start, per run start$0.0015$0.0015$0.0015$0.0015

The run summary row, input refusal rows, places whose page the live check could not read, and places skipped with only_new are free. Mamba Labs pays the platform costs of the run, Apify proxy traffic included.

Full actor documentation

apify.com/mambalabs/launch-directory-list-builder

License

MIT. See LICENSE.

Frequently asked questions

What is com.mambabuilt/mcp-launch-directory-list-builder?

Ranked, live checked startup directories, launch sites, and communities to submit to

How do I install com.mambabuilt/mcp-launch-directory-list-builder?

It runs on your machine. In Claude Code: claude mcp add mcp-launch-directory-list-builder -e 'APIFY_TOKEN=<your apify_token>' -- npx -y @mambalabsdev/mcp-launch-directory-list-builder@1.0.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does com.mambabuilt/mcp-launch-directory-list-builder need an API key?

Yes. It expects APIFY_TOKEN, which you set in its configuration.

Is com.mambabuilt/mcp-launch-directory-list-builder open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains com.mambabuilt/mcp-launch-directory-list-builder?

It is published by mambalabsdev. AI.tn lists it but does not maintain or endorse it.

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