MCP Tools Reference: spanner.googleapis.com

Tool: get_database_ddl

Get database schema for a given database.

The following sample demonstrate how to use curl to invoke the get_database_ddl MCP tool.

Curl Request
                  
curl --location 'https://spanner.googleapis.com/mcp' \
--header 'content-type: application/json' \
--header 'accept: application/json, text/event-stream' \
--data '{
  "method": "tools/call",
  "params": {
    "name": "get_database_ddl",
    "arguments": {
      // provide these details according to the tool's MCP specification
    }
  },
  "jsonrpc": "2.0",
  "id": 1
}'
                

Input Schema

The request for GetDatabaseDdl.

GetDatabaseDdlRequest

JSON representation
{
  "database": string
}
Fields
database

string

Required. The database whose schema we wish to get. Values are of the form projects/<project>/instances/<instance>/databases/<database>

Output Schema

The response for GetDatabaseDdl.

GetDatabaseDdlResponse

JSON representation
{
  "statements": [
    string
  ],
  "protoDescriptors": string
}
Fields
statements[]

string

A list of formatted DDL statements defining the schema of the database specified in the request.

protoDescriptors

string (bytes format)

Proto descriptors stored in the database. Contains a protobuf-serialized google.protobuf.FileDescriptorSet. For more details, see protobuffer self description.

A base64-encoded string.

Tool Annotations

Destructive Hint: ❌ | Idempotent Hint: ❌ | Read Only Hint: ✅ | Open World Hint: ❌