demo.st

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st.demo/demostv1.1.0 Domain verified

Reserve a subdomain, upload .zip via MCP, get a link. Optional document API at api.demo.st.

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

https://demo.st/mcp

Authorization (required)

Bearer token from https://demo.st (sign in → MCP page → copy token, or GET /api/mcp/token). Required for hosting and document API tools.

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.

check_subdomain_availability

Check if a subdomain name is available on demo.st (e.g. "my-site" → my-site.demo.st).

namestring, required

Subdomain name: letters, numbers, hyphens only; 1–63 chars.

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 (13)

check_subdomain_availability

Check if a subdomain name is available on demo.st (e.g. "my-site" → my-site.demo.st).

Argument	Type	Description
name*	string	Subdomain name: letters, numbers, hyphens only; 1–63 chars.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Subdomain name: letters, numbers, hyphens only; 1–63 chars."
    }
  }
}

clear_site

Remove deployed site content from your subdomain. Subdomain remains reserved.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}

create_collection

Create a document collection (lowercase letter start; letters, numbers, underscores; max 63 chars). Max 20 collections per site.

Argument	Type	Description
name*	string	Collection name, e.g. todos or posts.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Collection name, e.g. todos or posts."
    }
  }
}

delete_collection

Delete a document collection and all of its records.

Argument	Type	Description
name*	string	Collection name to delete.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Collection name to delete."
    }
  }
}

delete_record

Delete a record from a document collection.

Argument	Type	Description
id*	string	Record id.
collection*	string	Collection name.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "collection",
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Record id."
    },
    "collection": {
      "type": "string",
      "description": "Collection name."
    }
  }
}

get_site_api_key

Get (or create) the public site API key for your reserved subdomain. Embed this key in your static site and call https://api.demo.st/v1 with Authorization: Bearer <key>. Tenant is scoped by the key — never share another site's key.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}

list_collections

List document collections for your site (api.demo.st document store).

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}

list_records

List records in a document collection.

Argument	Type	Description
limit	integer	Max records to return (default 100).
offset	integer	Offset for pagination.
collection*	string	Collection name.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "collection"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "maximum": 500,
      "minimum": 1,
      "description": "Max records to return (default 100)."
    },
    "offset": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 0,
      "description": "Offset for pagination."
    },
    "collection": {
      "type": "string",
      "description": "Collection name."
    }
  }
}

release_subdomain

Release your reserved subdomain. Deletes the reservation, any deployed site, and all document DB data for that site.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}

reserve_subdomain

Reserve a subdomain for the logged-in account. One subdomain per account.

Argument	Type	Description
subdomain*	string	Subdomain to reserve (letters, numbers, hyphens; 1–63 chars).

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "subdomain"
  ],
  "properties": {
    "subdomain": {
      "type": "string",
      "description": "Subdomain to reserve (letters, numbers, hyphens; 1–63 chars)."
    }
  }
}

rotate_site_api_key

Rotate the public site API key. The old key stops working immediately; update your site with the new key.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}

upload_site

Upload a .zip as site content for your reserved subdomain. Easiest for agents: zip_base64 (base64-encoded zip). Or file_url (public URL to zip). Or file_path (local path, when MCP runs locally).

Argument	Type	Description
file_url	string	Public URL of a .zip file.
file_path	string	Local path to a .zip file (for local/stdio MCP only).
zip_base64	string	Base64-encoded .zip content. Easiest for agents: create zip locally and pass here (no hosting needed).

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "file_url": {
      "type": "string",
      "format": "uri",
      "description": "Public URL of a .zip file."
    },
    "file_path": {
      "type": "string",
      "description": "Local path to a .zip file (for local/stdio MCP only)."
    },
    "zip_base64": {
      "type": "string",
      "description": "Base64-encoded .zip content. Easiest for agents: create zip locally and pass here (no hosting needed)."
    }
  }
}

upsert_record

Create or update a JSON record in a collection. Pass data as an object. Optional id to upsert a specific record.

Argument	Type	Description
id	string	Optional record id (create or replace).
data*	object	JSON object to store.
collection*	string	Collection name.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "collection",
    "data"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Optional record id (create or replace)."
    },
    "data": {
      "type": "object",
      "description": "JSON object to store.",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    },
    "collection": {
      "type": "string",
      "description": "Collection name."
    }
  }
}