Function mergeCapabilities

mergeCapabilities(
    base: {
        completions?: object;
        experimental?: { [key: string]: object };
        logging?: object;
        prompts?: { listChanged?: boolean };
        resources?: { listChanged?: boolean; subscribe?: boolean };
        tasks?: {
            cancel?: object;
            list?: object;
            requests?: {
                tools?: { call?: object; [key: string]: unknown };
                [key: string]: unknown;
            };
            [key: string]: unknown;
        };
        tools?: { listChanged?: boolean };
    },
    additional: Partial<ServerCapabilities>,
): {
    completions?: object;
    experimental?: { [key: string]: object };
    logging?: object;
    prompts?: { listChanged?: boolean };
    resources?: { listChanged?: boolean; subscribe?: boolean };
    tasks?: {
        cancel?: object;
        list?: object;
        requests?: {
            tools?: { call?: object; [key: string]: unknown };
            [key: string]: unknown;
        };
        [key: string]: unknown;
    };
    tools?: { listChanged?: boolean };
}
Parameters
- base: {
      completions?: object;
      experimental?: { [key: string]: object };
      logging?: object;
      prompts?: { listChanged?: boolean };
      resources?: { listChanged?: boolean; subscribe?: boolean };
      tasks?: {
          cancel?: object;
          list?: object;
          requests?: {
              tools?: { call?: object; [key: string]: unknown };
              [key: string]: unknown;
          };
          [key: string]: unknown;
      };
      tools?: { listChanged?: boolean };
  }
  - Optionalcompletions?: object
    Present if the server supports sending completions to the client.
  - Optionalexperimental?: { [key: string]: object }
    Experimental, non-standard capabilities that the server supports.
  - Optionallogging?: object
    Present if the server supports sending log messages to the client.
  - Optionalprompts?: { listChanged?: boolean }
    Present if the server offers any prompt templates.
    
    OptionallistChanged?: boolean
    Whether this server supports issuing notifications for changes to the prompt list.
  - Optionalresources?: { listChanged?: boolean; subscribe?: boolean }
    Present if the server offers any resources to read.
    
    OptionallistChanged?: boolean
    Whether this server supports issuing notifications for changes to the resource list.
    
    Optionalsubscribe?: boolean
    Whether this server supports clients subscribing to resource updates.
  - Optionaltasks?: {
        cancel?: object;
        list?: object;
        requests?: {
            tools?: { call?: object; [key: string]: unknown };
            [key: string]: unknown;
        };
        [key: string]: unknown;
    }
    Present if the server supports task creation.
    
    Optionalcancel?: object
    Present if the server supports cancelling tasks.
    
    Optionallist?: object
    Present if the server supports listing tasks.
    
    Optionalrequests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown }
    Capabilities for task creation on specific request types.
    
    Optionaltools?: { call?: object; [key: string]: unknown }
    Task support for tool requests.
  - Optionaltools?: { listChanged?: boolean }
    Present if the server offers any tools to call.
    
    OptionallistChanged?: boolean
    Whether this server supports issuing notifications for changes to the tool list.
- additional: Partial<ServerCapabilities>
Returns {
    completions?: object;
    experimental?: { [key: string]: object };
    logging?: object;
    prompts?: { listChanged?: boolean };
    resources?: { listChanged?: boolean; subscribe?: boolean };
    tasks?: {
        cancel?: object;
        list?: object;
        requests?: {
            tools?: { call?: object; [key: string]: unknown };
            [key: string]: unknown;
        };
        [key: string]: unknown;
    };
    tools?: { listChanged?: boolean };
}
- Optionalcompletions?: object
  Present if the server supports sending completions to the client.
- Optionalexperimental?: { [key: string]: object }
  Experimental, non-standard capabilities that the server supports.
- Optionallogging?: object
  Present if the server supports sending log messages to the client.
- Optionalprompts?: { listChanged?: boolean }
  Present if the server offers any prompt templates.
  - OptionallistChanged?: boolean
    Whether this server supports issuing notifications for changes to the prompt list.
- Optionalresources?: { listChanged?: boolean; subscribe?: boolean }
  Present if the server offers any resources to read.
  - OptionallistChanged?: boolean
    Whether this server supports issuing notifications for changes to the resource list.
  - Optionalsubscribe?: boolean
    Whether this server supports clients subscribing to resource updates.
- Optionaltasks?: {
      cancel?: object;
      list?: object;
      requests?: {
          tools?: { call?: object; [key: string]: unknown };
          [key: string]: unknown;
      };
      [key: string]: unknown;
  }
  Present if the server supports task creation.
  - Optionalcancel?: object
    Present if the server supports cancelling tasks.
  - Optionallist?: object
    Present if the server supports listing tasks.
  - Optionalrequests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown }
    Capabilities for task creation on specific request types.
    - Optionaltools?: { call?: object; [key: string]: unknown }
      Task support for tool requests.
- Optionaltools?: { listChanged?: boolean }
  Present if the server offers any tools to call.
  - OptionallistChanged?: boolean
    Whether this server supports issuing notifications for changes to the tool list.
- Defined in src/shared/protocol.ts:1657
mergeCapabilities(
    base: {
        elicitation?: {
            form?: { applyDefaults?: boolean; [key: string]: unknown };
            url?: object;
            [key: string]: unknown;
        };
        experimental?: { [key: string]: object };
        roots?: { listChanged?: boolean };
        sampling?: { context?: object; tools?: object };
        tasks?: {
            cancel?: object;
            list?: object;
            requests?: {
                elicitation?: { create?: object; [key: string]: unknown };
                sampling?: { createMessage?: object; [key: string]: unknown };
                [key: string]: unknown;
            };
            [key: string]: unknown;
        };
    },
    additional: Partial<ClientCapabilities>,
): {
    elicitation?: {
        form?: { applyDefaults?: boolean; [key: string]: unknown };
        url?: object;
        [key: string]: unknown;
    };
    experimental?: { [key: string]: object };
    roots?: { listChanged?: boolean };
    sampling?: { context?: object; tools?: object };
    tasks?: {
        cancel?: object;
        list?: object;
        requests?: {
            elicitation?: { create?: object; [key: string]: unknown };
            sampling?: { createMessage?: object; [key: string]: unknown };
            [key: string]: unknown;
        };
        [key: string]: unknown;
    };
}
Parameters
- base: {
      elicitation?: {
          form?: { applyDefaults?: boolean; [key: string]: unknown };
          url?: object;
          [key: string]: unknown;
      };
      experimental?: { [key: string]: object };
      roots?: { listChanged?: boolean };
      sampling?: { context?: object; tools?: object };
      tasks?: {
          cancel?: object;
          list?: object;
          requests?: {
              elicitation?: { create?: object; [key: string]: unknown };
              sampling?: { createMessage?: object; [key: string]: unknown };
              [key: string]: unknown;
          };
          [key: string]: unknown;
      };
  }
  - Optionalelicitation?: {
        form?: { applyDefaults?: boolean; [key: string]: unknown };
        url?: object;
        [key: string]: unknown;
    }
    Present if the client supports eliciting user input.
  - Optionalexperimental?: { [key: string]: object }
    Experimental, non-standard capabilities that the client supports.
  - Optionalroots?: { listChanged?: boolean }
    Present if the client supports listing roots.
    
    OptionallistChanged?: boolean
    Whether the client supports issuing notifications for changes to the roots list.
  - Optionalsampling?: { context?: object; tools?: object }
    Present if the client supports sampling from an LLM.
    
    Optionalcontext?: object
    Present if the client supports context inclusion via includeContext parameter. If not declared, servers SHOULD only use includeContext: "none" (or omit it).
    
    Optionaltools?: object
    Present if the client supports tool use via tools and toolChoice parameters.
  - Optionaltasks?: {
        cancel?: object;
        list?: object;
        requests?: {
            elicitation?: { create?: object; [key: string]: unknown };
            sampling?: { createMessage?: object; [key: string]: unknown };
            [key: string]: unknown;
        };
        [key: string]: unknown;
    }
    Present if the client supports task creation.
    
    Optionalcancel?: object
    Present if the client supports cancelling tasks.
    
    Optionallist?: object
    Present if the client supports listing tasks.
    
    Optionalrequests?: {
        elicitation?: { create?: object; [key: string]: unknown };
        sampling?: { createMessage?: object; [key: string]: unknown };
        [key: string]: unknown;
    }
    Capabilities for task creation on specific request types.
    
    Optionalelicitation?: { create?: object; [key: string]: unknown }
    Task support for elicitation requests.
    
    Optionalsampling?: { createMessage?: object; [key: string]: unknown }
    Task support for sampling requests.
- additional: Partial<ClientCapabilities>
Returns {
    elicitation?: {
        form?: { applyDefaults?: boolean; [key: string]: unknown };
        url?: object;
        [key: string]: unknown;
    };
    experimental?: { [key: string]: object };
    roots?: { listChanged?: boolean };
    sampling?: { context?: object; tools?: object };
    tasks?: {
        cancel?: object;
        list?: object;
        requests?: {
            elicitation?: { create?: object; [key: string]: unknown };
            sampling?: { createMessage?: object; [key: string]: unknown };
            [key: string]: unknown;
        };
        [key: string]: unknown;
    };
}
- Optionalelicitation?: {
      form?: { applyDefaults?: boolean; [key: string]: unknown };
      url?: object;
      [key: string]: unknown;
  }
  Present if the client supports eliciting user input.
- Optionalexperimental?: { [key: string]: object }
  Experimental, non-standard capabilities that the client supports.
- Optionalroots?: { listChanged?: boolean }
  Present if the client supports listing roots.
  - OptionallistChanged?: boolean
    Whether the client supports issuing notifications for changes to the roots list.
- Optionalsampling?: { context?: object; tools?: object }
  Present if the client supports sampling from an LLM.
  - Optionalcontext?: object
    Present if the client supports context inclusion via includeContext parameter. If not declared, servers SHOULD only use includeContext: "none" (or omit it).
  - Optionaltools?: object
    Present if the client supports tool use via tools and toolChoice parameters.
- Optionaltasks?: {
      cancel?: object;
      list?: object;
      requests?: {
          elicitation?: { create?: object; [key: string]: unknown };
          sampling?: { createMessage?: object; [key: string]: unknown };
          [key: string]: unknown;
      };
      [key: string]: unknown;
  }
  Present if the client supports task creation.
  - Optionalcancel?: object
    Present if the client supports cancelling tasks.
  - Optionallist?: object
    Present if the client supports listing tasks.
  - Optionalrequests?: {
        elicitation?: { create?: object; [key: string]: unknown };
        sampling?: { createMessage?: object; [key: string]: unknown };
        [key: string]: unknown;
    }
    Capabilities for task creation on specific request types.
    - Optionalelicitation?: { create?: object; [key: string]: unknown }
      Task support for elicitation requests.
    - Optionalsampling?: { createMessage?: object; [key: string]: unknown }
      Task support for sampling requests.
- Defined in src/shared/protocol.ts:1658

Function mergeCapabilities

Parameters

Optionalcompletions?: object

Optionalexperimental?: { [key: string]: object }

Optionallogging?: object

Optionalprompts?: { listChanged?: boolean }

OptionallistChanged?: boolean

Optionalresources?: { listChanged?: boolean; subscribe?: boolean }

OptionallistChanged?: boolean

Optionalsubscribe?: boolean

Optionaltasks?: { cancel?: object; list?: object; requests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown; }; [key: string]: unknown;}

Optionalcancel?: object

Optionallist?: object

Optionalrequests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown }

Optionaltools?: { call?: object; [key: string]: unknown }

Optionaltools?: { listChanged?: boolean }

OptionallistChanged?: boolean

Optionalcompletions?: object

Optionalexperimental?: { [key: string]: object }

Optionallogging?: object

Optionalprompts?: { listChanged?: boolean }

OptionallistChanged?: boolean

Optionalresources?: { listChanged?: boolean; subscribe?: boolean }

OptionallistChanged?: boolean

Optionalsubscribe?: boolean

Optionaltasks?: { cancel?: object; list?: object; requests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown; }; [key: string]: unknown;}

Optionalcancel?: object

Optionallist?: object

Optionalrequests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown }

Optionaltools?: { call?: object; [key: string]: unknown }

Optionaltools?: { listChanged?: boolean }

OptionallistChanged?: boolean

Parameters

Optionalelicitation?: { form?: { applyDefaults?: boolean; [key: string]: unknown }; url?: object; [key: string]: unknown;}

Optionalexperimental?: { [key: string]: object }

Optionalroots?: { listChanged?: boolean }

OptionallistChanged?: boolean

Optionalsampling?: { context?: object; tools?: object }

Optionalcontext?: object

Optionaltools?: object

Optionaltasks?: { cancel?: object; list?: object; requests?: { elicitation?: { create?: object; [key: string]: unknown }; sampling?: { createMessage?: object; [key: string]: unknown }; [key: string]: unknown; }; [key: string]: unknown;}

Optionalcancel?: object

Optionallist?: object

Optionalrequests?: { elicitation?: { create?: object; [key: string]: unknown }; sampling?: { createMessage?: object; [key: string]: unknown }; [key: string]: unknown;}

Optionalelicitation?: { create?: object; [key: string]: unknown }

Optionalsampling?: { createMessage?: object; [key: string]: unknown }

Optionalelicitation?: { form?: { applyDefaults?: boolean; [key: string]: unknown }; url?: object; [key: string]: unknown;}

Optionalexperimental?: { [key: string]: object }

Optionalroots?: { listChanged?: boolean }

OptionallistChanged?: boolean

Optionalsampling?: { context?: object; tools?: object }

Optionalcontext?: object

Optionaltools?: object

Optionaltasks?: { cancel?: object; list?: object; requests?: { elicitation?: { create?: object; [key: string]: unknown }; sampling?: { createMessage?: object; [key: string]: unknown }; [key: string]: unknown; }; [key: string]: unknown;}

Optionalcancel?: object

Optionallist?: object

Optionalrequests?: { elicitation?: { create?: object; [key: string]: unknown }; sampling?: { createMessage?: object; [key: string]: unknown }; [key: string]: unknown;}

Optionalelicitation?: { create?: object; [key: string]: unknown }

Optionalsampling?: { createMessage?: object; [key: string]: unknown }

Settings

`Optional`completions?: object

`Optional`experimental?: { [key: string]: object }

`Optional`logging?: object

`Optional`prompts?: { listChanged?: boolean }

`Optional`listChanged?: boolean

`Optional`resources?: { listChanged?: boolean; subscribe?: boolean }

`Optional`listChanged?: boolean

`Optional`subscribe?: boolean

`Optional`tasks?: {
cancel?: object;
list?: object;
requests?: {
tools?: { call?: object; [key: string]: unknown };
[key: string]: unknown;
};
[key: string]: unknown;
}

`Optional`cancel?: object

`Optional`list?: object

`Optional`requests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown }

`Optional`tools?: { call?: object; [key: string]: unknown }

`Optional`tools?: { listChanged?: boolean }

`Optional`listChanged?: boolean

`Optional`completions?: object

`Optional`experimental?: { [key: string]: object }

`Optional`logging?: object

`Optional`prompts?: { listChanged?: boolean }

`Optional`listChanged?: boolean

`Optional`resources?: { listChanged?: boolean; subscribe?: boolean }

`Optional`listChanged?: boolean

`Optional`subscribe?: boolean

`Optional`tasks?: {
cancel?: object;
list?: object;
requests?: {
tools?: { call?: object; [key: string]: unknown };
[key: string]: unknown;
};
[key: string]: unknown;
}

`Optional`cancel?: object

`Optional`list?: object

`Optional`requests?: { tools?: { call?: object; [key: string]: unknown }; [key: string]: unknown }

`Optional`tools?: { call?: object; [key: string]: unknown }

`Optional`tools?: { listChanged?: boolean }

`Optional`listChanged?: boolean

`Optional`elicitation?: {
form?: { applyDefaults?: boolean; [key: string]: unknown };
url?: object;
[key: string]: unknown;
}

`Optional`experimental?: { [key: string]: object }

`Optional`roots?: { listChanged?: boolean }

`Optional`listChanged?: boolean

`Optional`sampling?: { context?: object; tools?: object }

`Optional`context?: object

`Optional`tools?: object

`Optional`tasks?: {
cancel?: object;
list?: object;
requests?: {
elicitation?: { create?: object; [key: string]: unknown };
sampling?: { createMessage?: object; [key: string]: unknown };
[key: string]: unknown;
};
[key: string]: unknown;
}

`Optional`cancel?: object

`Optional`list?: object

`Optional`requests?: {
elicitation?: { create?: object; [key: string]: unknown };
sampling?: { createMessage?: object; [key: string]: unknown };
[key: string]: unknown;
}

`Optional`elicitation?: { create?: object; [key: string]: unknown }

`Optional`sampling?: { createMessage?: object; [key: string]: unknown }

`Optional`elicitation?: {
form?: { applyDefaults?: boolean; [key: string]: unknown };
url?: object;
[key: string]: unknown;
}

`Optional`experimental?: { [key: string]: object }

`Optional`roots?: { listChanged?: boolean }

`Optional`listChanged?: boolean

`Optional`sampling?: { context?: object; tools?: object }

`Optional`context?: object

`Optional`tools?: object

`Optional`tasks?: {
cancel?: object;
list?: object;
requests?: {
elicitation?: { create?: object; [key: string]: unknown };
sampling?: { createMessage?: object; [key: string]: unknown };
[key: string]: unknown;
};
[key: string]: unknown;
}

`Optional`cancel?: object

`Optional`list?: object

`Optional`requests?: {
elicitation?: { create?: object; [key: string]: unknown };
sampling?: { createMessage?: object; [key: string]: unknown };
[key: string]: unknown;
}

`Optional`elicitation?: { create?: object; [key: string]: unknown }

`Optional`sampling?: { createMessage?: object; [key: string]: unknown }