List Tools For Agent

agents.tools.list(, ) -> SyncArrayPage[Tool]

get/v1/agents/{agent_id}/tools

Get tools from an existing agent.

ParametersExpand Collapse

agent_id: str

The ID of the agent in the format 'agent-'

minLength42

maxLength42

after: Optional[str]

Tool ID cursor for pagination. Returns tools that come after this tool ID in the specified sort order

before: Optional[str]

Tool ID cursor for pagination. Returns tools that come before this tool ID in the specified sort order

limit: Optional[int]

Maximum number of tools to return

order: Optional[Literal["asc", "desc"]]

Sort order for tools by creation time. 'asc' for oldest first, 'desc' for newest first

Accepts one of the following:

"asc"

"desc"

order_by: Optional[Literal["created_at"]]

Field to sort by

Accepts one of the following:

"created_at"

ReturnsExpand Collapse

class Tool: …

Representation of a tool, which is a function that can be called by the agent.

id: str

The human-friendly ID of the Tool

args_json_schema: Optional[Dict[str, object]]

The args JSON schema of the function.

created_by_id: Optional[str]

The id of the user that made this Tool.

default_requires_approval: Optional[bool]

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

description: Optional[str]

The description of the tool.

enable_parallel_execution: Optional[bool]

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

json_schema: Optional[Dict[str, object]]

The JSON schema of the function.

last_updated_by_id: Optional[str]

The id of the user that made this Tool.

metadata: Optional[Dict[str, object]]

A dictionary of additional metadata for the tool.

The name of the function.

npm_requirements: Optional[List[NpmRequirement]]

Optional list of npm packages required by this tool.

Name of the npm package.

minLength1

version: Optional[str]

Optional version of the package, following semantic versioning.

pip_requirements: Optional[List[PipRequirement]]

Optional list of pip packages required by this tool.

Name of the pip package.

minLength1

version: Optional[str]

Optional version of the package, following semantic versioning.

return_char_limit: Optional[int]

The maximum number of characters in the response.

maximum1000000

minimum1

source_code: Optional[str]

The source code of the function.

source_type: Optional[str]

The type of the source code.

tags: Optional[List[str]]

Metadata tags.

tool_type: Optional[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 Agent

from letta_client import Letta

client = Letta(
    api_key="My API Key",
)
page = client.agents.tools.list(
    agent_id="agent-123e4567-e89b-42d3-8456-426614174000",
)
page = page.items[0]
print(page.id)

[
  {
    "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"
      }
    ],
    "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"
      }
    ],
    "return_char_limit": 1,
    "source_code": "source_code",
    "source_type": "source_type",
    "tags": [
      "string"
    ],
    "tool_type": "custom"
  }
]