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feat: Add tool annotations for improved LLM tool understanding #41

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2 changes: 1 addition & 1 deletion pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ description = "A Docker MCP Server"
readme = "README.md"
dependencies = [
"docker>=7.1.0",
"mcp>=1.1.0,<2.0",
"mcp>=1.8.0,<2.0",
"paramiko>=3.5.1,<4.0",
"pydantic>=2.10.3",
"pydantic-settings>=2.6.1",
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77 changes: 77 additions & 0 deletions src/mcp_server_docker/server.py
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Expand Up @@ -7,6 +7,7 @@
import mcp.types as types
from docker.models.containers import Container
from mcp.server import Server
from mcp.types import ToolAnnotations
from pydantic import AnyUrl, ValidationError

from .input_schemas import (
Expand Down Expand Up @@ -245,96 +246,172 @@ async def list_tools() -> list[types.Tool]:
name="list_containers",
description="List all Docker containers",
inputSchema=ListContainersInput.model_json_schema(),
annotations=ToolAnnotations(
title="List Containers",
readOnlyHint=True,
),
),
types.Tool(
name="create_container",
description="Create a new Docker container",
inputSchema=CreateContainerInput.model_json_schema(),
annotations=ToolAnnotations(
title="Create Container",
destructiveHint=True,
),
),
types.Tool(
name="run_container",
description="Run an image in a new Docker container (preferred over `create_container` + `start_container`)",
inputSchema=CreateContainerInput.model_json_schema(),
annotations=ToolAnnotations(
title="Run Container",
destructiveHint=True,
),
),
types.Tool(
name="recreate_container",
description="Stop and remove a container, then run a new container. Fails if the container does not exist.",
inputSchema=RecreateContainerInput.model_json_schema(),
annotations=ToolAnnotations(
title="Recreate Container",
destructiveHint=True,
),
),
types.Tool(
name="start_container",
description="Start a Docker container",
inputSchema=ContainerActionInput.model_json_schema(),
annotations=ToolAnnotations(
title="Start Container",
destructiveHint=True,
),
),
types.Tool(
name="fetch_container_logs",
description="Fetch logs for a Docker container",
inputSchema=FetchContainerLogsInput.model_json_schema(),
annotations=ToolAnnotations(
title="Fetch Container Logs",
readOnlyHint=True,
),
),
types.Tool(
name="stop_container",
description="Stop a Docker container",
inputSchema=ContainerActionInput.model_json_schema(),
annotations=ToolAnnotations(
title="Stop Container",
destructiveHint=True,
),
),
types.Tool(
name="remove_container",
description="Remove a Docker container",
inputSchema=RemoveContainerInput.model_json_schema(),
annotations=ToolAnnotations(
title="Remove Container",
destructiveHint=True,
),
),
types.Tool(
name="list_images",
description="List Docker images",
inputSchema=ListImagesInput.model_json_schema(),
annotations=ToolAnnotations(
title="List Images",
readOnlyHint=True,
),
),
types.Tool(
name="pull_image",
description="Pull a Docker image",
inputSchema=PullPushImageInput.model_json_schema(),
annotations=ToolAnnotations(
title="Pull Image",
destructiveHint=True,
),
),
types.Tool(
name="push_image",
description="Push a Docker image",
inputSchema=PullPushImageInput.model_json_schema(),
annotations=ToolAnnotations(
title="Push Image",
destructiveHint=True,
),
),
types.Tool(
name="build_image",
description="Build a Docker image from a Dockerfile",
inputSchema=BuildImageInput.model_json_schema(),
annotations=ToolAnnotations(
title="Build Image",
destructiveHint=True,
),
),
types.Tool(
name="remove_image",
description="Remove a Docker image",
inputSchema=RemoveImageInput.model_json_schema(),
annotations=ToolAnnotations(
title="Remove Image",
destructiveHint=True,
),
),
types.Tool(
name="list_networks",
description="List Docker networks",
inputSchema=ListNetworksInput.model_json_schema(),
annotations=ToolAnnotations(
title="List Networks",
readOnlyHint=True,
),
),
types.Tool(
name="create_network",
description="Create a Docker network",
inputSchema=CreateNetworkInput.model_json_schema(),
annotations=ToolAnnotations(
title="Create Network",
destructiveHint=True,
),
),
types.Tool(
name="remove_network",
description="Remove a Docker network",
inputSchema=RemoveNetworkInput.model_json_schema(),
annotations=ToolAnnotations(
title="Remove Network",
destructiveHint=True,
),
),
types.Tool(
name="list_volumes",
description="List Docker volumes",
inputSchema=ListVolumesInput.model_json_schema(),
annotations=ToolAnnotations(
title="List Volumes",
readOnlyHint=True,
),
),
types.Tool(
name="create_volume",
description="Create a Docker volume",
inputSchema=CreateVolumeInput.model_json_schema(),
annotations=ToolAnnotations(
title="Create Volume",
destructiveHint=True,
),
),
types.Tool(
name="remove_volume",
description="Remove a Docker volume",
inputSchema=RemoveVolumeInput.model_json_schema(),
annotations=ToolAnnotations(
title="Remove Volume",
destructiveHint=True,
),
),
]

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