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Make and share your own document-answering AI or website, and ask any Hostlet AI questions.

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{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-15T00:02:29.482009Z",
      "publishedAt": "2026-11-15T00:02:29.482009Z",
      "statusChangedAt": "2026-11-15T00:02:29.482009Z"
    }
  },
  "server": {
    "name": "ai.hostlet/hostlet",
    "title": "Hostlet",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://hostlet.ai/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "1.0.0",
    "websiteUrl": "https://hostlet.ai",
    "description": "Make and share your own document-answering AI or website, and ask any Hostlet AI questions."
  }
}

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Call this server's tools from your browser. Nothing to install.

https://hostlet.ai/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

add_document

Give a site's AI a document to answer visitors from (a menu, price list, rules, FAQ): pass its title and full text.

sitestring, required

textstring, required

The document text.

titlestring, required

Document title, e.g. "House Rules 2024".

owner_keystring, required

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

I understand, run it anyway

Tools (6)

add_document

Give a site's AI a document to answer visitors from (a menu, price list, rules, FAQ): pass its title and full text.

Argument	Type	Description
site*	string
text*	string	The document text.
title*	string	Document title, e.g. "House Rules 2024".
owner_key*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "site",
    "owner_key",
    "title",
    "text"
  ],
  "properties": {
    "site": {
      "type": "string"
    },
    "text": {
      "type": "string",
      "description": "The document text."
    },
    "title": {
      "type": "string",
      "description": "Document title, e.g. \"House Rules 2024\"."
    },
    "owner_key": {
      "type": "string"
    }
  }
}

ask_site

Ask any public Hostlet site's AI a question (e.g. "night-owls" for night-owls.hostlet.ai). Pass passcode if the site has one, or owner_key for your own.

read-only

Argument	Type	Description
site*	string
passcode	string
question*	string
owner_key	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "site",
    "question"
  ],
  "properties": {
    "site": {
      "type": "string"
    },
    "passcode": {
      "type": "string"
    },
    "question": {
      "type": "string"
    },
    "owner_key": {
      "type": "string"
    }
  }
}

change_site

Change a site made with make_website, in plain words: "make the headline shorter", "add our hours: Tue to Sun 7 to 3", "add a section about catering", "use warmer colors". Pass exactly what the user asked for.

Argument	Type	Description
site*	string	The site address name (e.g. "maple-street-bakery").
change*	string	What to change, in the user's words.
owner_key*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "site",
    "owner_key",
    "change"
  ],
  "properties": {
    "site": {
      "type": "string",
      "description": "The site address name (e.g. \"maple-street-bakery\")."
    },
    "change": {
      "type": "string",
      "description": "What to change, in the user's words."
    },
    "owner_key": {
      "type": "string"
    }
  }
}

check_site

Show a Hostlet site or AI the user made, as a card, and whether it is finished building.

read-only

Argument	Type	Description
site*	string
owner_key*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "site",
    "owner_key"
  ],
  "properties": {
    "site": {
      "type": "string"
    },
    "owner_key": {
      "type": "string"
    }
  }
}

make_ai

Make a simple chat AI (like a small ChatGPT for one job, with a chat history) on its own page, in a few seconds. Use when the user wants just an assistant, not a website.

Argument	Type	Description
about*	string	What the AI should help with, e.g. "helps my students practice Spanish verbs".

Input schema (JSON)

{
  "type": "object",
  "required": [
    "about"
  ],
  "properties": {
    "about": {
      "type": "string",
      "description": "What the AI should help with, e.g. \"helps my students practice Spanish verbs\"."
    }
  }
}

make_website

Build a real website for the user's business, club, building, class or project from a sentence or two, with its own AI that answers visitors' questions. Hostlet designs the whole thing (words, layout, photos, logo) in about two minutes. It returns right away with a live card and the address; the site appears there when it is done. Ask only what you need: what they run and anything that makes it theirs (place, what they offer). Do not ask about colors or layout.

Argument	Type	Description
name	string	The name of the business or group, if they said it.
about*	string	What they run, in their words plus any useful details they gave: e.g. "A small bakery on Maple Street in Portland. Sourdough, croissants, open Tue to Sun 7 to 3."

Input schema (JSON)

{
  "type": "object",
  "required": [
    "about"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "The name of the business or group, if they said it."
    },
    "about": {
      "type": "string",
      "description": "What they run, in their words plus any useful details they gave: e.g. \"A small bakery on Maple Street in Portland. Sourdough, croissants, open Tue to Sun 7 to 3.\""
    }
  }
}

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add_document

Hostlet

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add_document

Install

Tools (6)

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