MCP Gemini Server

{ "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "functionDeclarations": { "description": "Required. An array of function declarations (schemas) that the model can choose to call based on the prompt.", "items": { "additionalProperties": false, "description": "Declaration of a single function that the Gemini model can request to call.", "properties": { "description": { "description": "A description of what the function does. Used by the model to decide when to call it.", "minLength": 1, "type": "string" }, "name": { "description": "The name of the function to be called. Must match the name the model is expected to use.", "minLength": 1, "type": "string" }, "parameters": { "additionalProperties": false, "description": "Schema defining the parameters the function accepts. Must be of type OBJECT.", "properties": { "properties": { "additionalProperties": { "additionalProperties": false, "description": "Schema defining a single parameter for a function declaration, potentially recursive.", "properties": { "description": { "description": "Description of the parameter's purpose.", "type": "string" }, "enum": { "description": "Allowed string values for an ENUM-like parameter.", "items": { "type": "string" }, "type": "array" }, "items": { "$ref": "#/properties/functionDeclarations/items/properties/parameters/properties/properties/additionalProperties", "description": "Defines the schema for items if the parameter type is ARRAY." }, "properties": { "additionalProperties": { "$ref": "#/properties/functionDeclarations/items/properties/parameters/properties/properties/additionalProperties" }, "type": "object" }, "required": { "description": "List of required property names for OBJECT types.", "items": { "type": "string" }, "type": "array" }, "type": { "description": "The data type of the function parameter.", "enum": [ "OBJECT", "STRING", "NUMBER", "BOOLEAN", "ARRAY", "INTEGER" ], "type": "string" } }, "required": [ "type" ], "type": "object" }, "description": "Defines the parameters the function accepts.", "type": "object" }, "required": { "description": "List of required parameter names at the top level.", "items": { "type": "string" }, "type": "array" }, "type": { "const": "OBJECT", "description": "The top-level parameters structure must be an OBJECT.", "type": "string" } }, "required": [ "type", "properties" ], "type": "object" } }, "required": [ "name", "description", "parameters" ], "type": "object" }, "minItems": 1, "type": "array" }, "generationConfig": { "additionalProperties": false, "description": "Optional configuration for controlling the generation process.", "properties": { "maxOutputTokens": { "description": "Maximum number of tokens to generate in the response.", "minimum": 1, "type": "integer" }, "stopSequences": { "description": "Sequences where the API will stop generating further tokens.", "items": { "type": "string" }, "type": "array" }, "temperature": { "description": "Controls randomness. Lower values (~0.2) make output more deterministic, higher values (~0.8) make it more creative. Default varies by model.", "maximum": 1, "minimum": 0, "type": "number" }, "topK": { "description": "Top-k sampling parameter. The model considers the k most probable tokens. Default varies by model.", "minimum": 1, "type": "integer" }, "topP": { "description": "Nucleus sampling parameter. The model considers only tokens with probability mass summing to this value. Default varies by model.", "maximum": 1, "minimum": 0, "type": "number" } }, "type": "object" }, "modelName": { "description": "Optional. The name of the Gemini model to use (e.g., 'gemini-1.5-flash'). If omitted, the server's default model (from GOOGLE_GEMINI_MODEL env var) will be used.", "minLength": 1, "type": "string" }, "prompt": { "description": "Required. The text prompt to send to the Gemini model.", "minLength": 1, "type": "string" }, "safetySettings": { "items": { "additionalProperties": false, "description": "Setting for controlling content safety for a specific harm category.", "properties": { "category": { "description": "Category of harmful content to apply safety settings for.", "enum": [ "HARM_CATEGORY_UNSPECIFIED", "HARM_CATEGORY_HATE_SPEECH", "HARM_CATEGORY_SEXUALLY_EXPLICIT", "HARM_CATEGORY_HARASSMENT", "HARM_CATEGORY_DANGEROUS_CONTENT" ], "type": "string" }, "threshold": { "description": "Threshold for blocking harmful content. Higher thresholds block more content.", "enum": [ "HARM_BLOCK_THRESHOLD_UNSPECIFIED", "BLOCK_LOW_AND_ABOVE", "BLOCK_MEDIUM_AND_ABOVE", "BLOCK_ONLY_HIGH", "BLOCK_NONE" ], "type": "string" } }, "required": [ "category", "threshold" ], "type": "object" }, "type": "array" }, "toolConfig": { "additionalProperties": false, "description": "Optional configuration for tools, specifically function calling.", "properties": { "functionCallingConfig": { "additionalProperties": false, "description": "Configuration specific to function calling.", "properties": { "allowedFunctionNames": { "description": "Optional list of function names allowed to be called. If specified, the model will only call functions from this list.", "items": { "type": "string" }, "type": "array" }, "mode": { "description": "The function calling mode.", "enum": [ "AUTO", "ANY", "NONE" ], "type": "string" } }, "type": "object" } }, "type": "object" } }, "required": [ "prompt", "functionDeclarations" ], "type": "object" }