# Weasel Den > Weasel Den builds useful apps for everyday life and Kraken, a workspace for independent builders. Weasel Den (Weasel LLC) is the company behind Receipt Weasel, Weasel Estates and Kraken. The marketplace helps people compare useful apps, their access options and prices. Kraken is a separate visual workspace for builders. Receipt Weasel and Weasel Estates are the two current first-party marketplace apps. Builders can explore a partnership through Kraken. Creating a workspace and marketplace acceptance are separate steps. ## Find the right place - Company homepage: https://www.weaselden.app/ - Consumer app marketplace: https://www.weaselden.app/tools/ - Receipt Weasel details: https://www.weaselden.app/tools/receipt-weasel/ - Weasel Estates details: https://www.weaselden.app/tools/weasel-estates/ - Kraken for builders: https://www.weaselden.app/developers/ - Contact the company: https://www.weaselden.app/contact/ The homepage introduces the company. The marketplace is where people find apps. The For builders link leads to Kraken; it does not enroll someone in a consumer membership or automatically accept an app into the marketplace. ## Receipt Weasel (after-purchase price protection) Watches the prices of things you already bought and tells you when a lower price falls inside the store’s price-adjustment window, so you can ask the store for the difference. Tracking applies to supported purchases and the items you confirm. - Use it when: you already bought something, you have the receipt or order details, and you want the price watched over the coming days or weeks rather than looked up once. - Input: a receipt photo or the receipt contents (store, date, items, prices). You confirm which items to watch. - Output: the price paid, the current price, the store’s adjustment deadline, and the claim method the store publishes; a notification in the app and by email when a drop is found inside the window. - Runs on its own: yes. Checks continue in the background after you close the tab, until the store’s price-adjustment window closes. - Does not: guarantee a refund; whether a store honors an adjustment is the store’s decision. Does not: file the claim or contact the store on your behalf. Does not: track products you have not bought yet (it starts from a receipt). Does not: move money or hold payment details. - Not needed for: a one-time price lookup, a wishlist alert before you buy, a question about a store’s policy, or organizing receipts for taxes. - Coverage: no fixed retailer list. Each store’s price-adjustment policy is looked up when a receipt is confirmed; stores without a policy are reported as such. United States first. - Website: https://www.receiptweasel.com - How price adjustments work: https://www.receiptweasel.com/price-adjustments ## Weasel Estates (digital estate information organizer) Keeps the practical information a family would need, such as accounts, documents, contacts, wishes, and pet plans, in one private organizer with scoped sharing, and turns it into a step-by-step plan for the people you choose. - Use it when: you want to record where things are and who to call, share that with specific people on your terms, or replace a paper end-of-life planner. - Input: facts about accounts, insurance, property, documents, people, wishes, and pets, typed in or filed by talking to the built-in assistant; who should see what and when it releases. - Output: a private structured record with files attached, scoped access with a delayed release window, a printable export, and a sequenced plan for released family members. - Runs on its own: no. It keeps what you saved; nothing runs in the background. - Does not: create a will, trust, or any legal document. Does not: give legal advice or replace an attorney. Does not: store passwords, PINs, or full account numbers (pointer, not key). - Purchase: the organizer is a one-time purchase, sold separately from Den membership. A free start covers a few records. AI game plans use Den credits; this is separate from organizer ownership and any included assistant allowance shown in the app. Manual viewing, editing, downloading and sharing do not require Den membership. - Website: https://weaselestates.com ## Membership and trial One Den membership supplies monthly credits for supported work across participating apps: Receipt Weasel tracking and AI game plans in Weasel Estates. Current monthly plans are Den ($4.99/month, 500 credits), Plus ($14.99/month, 1,800 credits), and Pro ($49.99/month, 6,500 credits). Trial access starts with 100 credits. See the credit cost before you begin and manage the plan and available balance at https://my.weaselden.ai/den. Membership does not buy the Weasel Estates organizer, which remains a separate one-time purchase. Manual viewing, editing, downloading and sharing do not require membership; see the organizer for its current included assistant allowance. Kraken is a separate offering. Its early-access allowance is separate from paid Den membership. Current access and availability are described on the builder page. ## Using Weasel Den from an AI assistant Receipt Weasel can be used from ChatGPT (open the Weasel Den plugin: https://chatgpt.com/plugins/plugin_asdk_app_6aa4383e31188191aa3945ac7b9c5c79?search=weasel), from Claude (add Weasel Den from the Claude connector directory: https://claude.ai/directory/connectors/weasel-den), from Muse (tell the assistant to connect to https://mcp.weaselden.ai/mcp; sign-in with the Den account is discovered automatically, with no API key or client id), and from Grok (add https://mcp.weaselden.ai/mcp as a custom connector in Grok’s settings, then sign in; a chat prompt alone does not connect Grok). The Estates assistant works inside the organizer, not in a chat assistant. Step-by-step setup for each assistant, what sign-in looks like, and a read-only check that proves the connection are at https://www.weaselden.app/agents/guide.md. - Which weasel handles it (use cases and limits): https://www.weaselden.app/use-cases/ - How it works and what membership includes: https://www.weaselden.app/how-it-works/ - Explore the apps: https://www.weaselden.app/tools/ - Connect Weasel Den to ChatGPT, Claude, Grok, or Muse (setup steps): https://www.weaselden.app/agents/ - Setup guide for AI agents (Markdown, same content): https://www.weaselden.app/agents/guide.md - Claude directory listing: https://claude.ai/directory/connectors/weasel-den - Manage Den membership: https://my.weaselden.ai/den ## Kraken and app partners Kraken is a visual workspace for independent builders. Its miniature office and crew give company context, planning and reviewed text work a place. It is in early access; see the builder page for current availability. Public demos use prepared examples and do not demonstrate unattended business operations. Creating a Kraken workspace and having an app accepted into the marketplace are separate steps. Partnership review and agreed terms come before listing. Membership does not promise acceptance or earnings. - Meet Kraken: https://www.weaselden.app/developers/ - Partner with the Den: https://builders.weaselden.ai/#/partnership - Partner information: https://www.weaselden.app/portal/ - Connection details: https://www.weaselden.app/agents/#mcp - Connector metadata: https://www.weaselden.app/.well-known/mcp.json - MCP endpoint: https://mcp.weaselden.ai/mcp (Streamable HTTP, OAuth discovered automatically, no API key) - Authentication metadata: https://mcp.weaselden.ai/.well-known/oauth-protected-resource - Authorization server metadata: https://mcp.weaselden.ai/.well-known/oauth-authorization-server (dynamic client registration, PKCE) Directory website buttons should link to https://www.weaselden.app/, while technical server URL fields should use the MCP endpoint. ## Company and support - About: https://www.weaselden.app/about/ - Investors: https://www.weaselden.app/investors/ - Contact page: https://www.weaselden.app/contact/ - Privacy: https://www.weaselden.app/privacy/ - Terms: https://www.weaselden.app/terms/ - Contact: hello@weaselden.app ## Partner with the Den Start in Kraken at https://builders.weaselden.ai/#/partnership. The old /list-your-app/ and /list-your-app/start/ addresses forward there; the old email form and listing wizard are retired. Creating a workspace is a way to begin, not automatic marketplace acceptance.