List Tools For Mcp Server

client.mcpServers.tools.list(, ?): ToolListResponse { id, args_json_schema, created_by_id, 15 more }

get/v1/mcp-servers/{mcp_server_id}/tools

Get a list of all tools for a specific MCP server

ParametersExpand Collapse

mcpServerID: string

ReturnsExpand Collapse

ToolListResponse = Array<Tool { id, args_json_schema, created_by_id, 15 more } >

id: string

The human-friendly ID of the Tool

args_json_schema?: Record<string, unknown> | null

The args JSON schema of the function.

created_by_id?: string | null

The id of the user that made this Tool.

default_requires_approval?: boolean | null

Default value for whether or not executing this tool requires approval.

description?: string | null

The description of the tool.

enable_parallel_execution?: boolean | null

If set to True, then this tool will potentially be executed concurrently with other tools. Default False.

json_schema?: Record<string, unknown> | null

The JSON schema of the function.

last_updated_by_id?: string | null

The id of the user that made this Tool.

metadata_?: Record<string, unknown> | null

A dictionary of additional metadata for the tool.

name?: string | null

The name of the function.

npm_requirements?: Array<NpmRequirement { name, version } > | null

Optional list of npm packages required by this tool.

name: string

Name of the npm package.

minLength1

version?: string | null

Optional version of the package, following semantic versioning.

pip_requirements?: Array<PipRequirement { name, version } > | null

Optional list of pip packages required by this tool.

name: string

Name of the pip package.

minLength1

version?: string | null

Optional version of the package, following semantic versioning.

project_id?: string | null

The project id of the tool.

return_char_limit?: number

The maximum number of characters in the response.

maximum1000000

minimum1

source_code?: string | null

The source code of the function.

source_type?: string | null

The type of the source code.

tags?: Array<string>

Metadata tags.

tool_type?: ToolType

The type of the tool.

Accepts one of the following:

"custom"

"letta_core"

"letta_memory_core"

"letta_multi_agent_core"

"letta_sleeptime_core"

"letta_voice_sleeptime_core"

"letta_builtin"

"letta_files_core"

"external_langchain"

"external_composio"

"external_mcp"

List Tools For Mcp Server

import Letta from '@letta-ai/letta-client';

const client = new Letta({
  apiKey: process.env['LETTA_API_KEY'], // This is the default and can be omitted
});

const tools = await client.mcpServers.tools.list('mcp_server_id');

console.log(tools);

[
  {
    "id": "tool-123e4567-e89b-12d3-a456-426614174000",
    "args_json_schema": {
      "foo": "bar"
    },
    "created_by_id": "created_by_id",
    "default_requires_approval": true,
    "description": "description",
    "enable_parallel_execution": true,
    "json_schema": {
      "foo": "bar"
    },
    "last_updated_by_id": "last_updated_by_id",
    "metadata_": {
      "foo": "bar"
    },
    "name": "name",
    "npm_requirements": [
      {
        "name": "x",
        "version": "version"
      }
    ],
    "pip_requirements": [
      {
        "name": "x",
        "version": "version"
      }
    ],
    "project_id": "project_id",
    "return_char_limit": 1,
    "source_code": "source_code",
    "source_type": "source_type",
    "tags": [
      "string"
    ],
    "tool_type": "custom"
  }
]

Returns Examples

[
  {
    "id": "tool-123e4567-e89b-12d3-a456-426614174000",
    "args_json_schema": {
      "foo": "bar"
    },
    "created_by_id": "created_by_id",
    "default_requires_approval": true,
    "description": "description",
    "enable_parallel_execution": true,
    "json_schema": {
      "foo": "bar"
    },
    "last_updated_by_id": "last_updated_by_id",
    "metadata_": {
      "foo": "bar"
    },
    "name": "name",
    "npm_requirements": [
      {
        "name": "x",
        "version": "version"
      }
    ],
    "pip_requirements": [
      {
        "name": "x",
        "version": "version"
      }
    ],
    "project_id": "project_id",
    "return_char_limit": 1,
    "source_code": "source_code",
    "source_type": "source_type",
    "tags": [
      "string"
    ],
    "tool_type": "custom"
  }
]