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hanweg

mcp-discord

by hanweg

delete_channel

Remove unwanted Discord channels by providing the channel ID and optional reason for deletion. Ideal for maintaining server organization and managing channels efficiently.

Instructions

Delete a channel

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
channel_idYesID of channel to delete
reasonNoReason for deletion

Implementation Reference

  • Handler implementation for the 'delete_channel' tool. Fetches the Discord channel by ID and deletes it, using an optional reason.
    elif name == "delete_channel":
        channel = await discord_client.fetch_channel(int(arguments["channel_id"]))
        await channel.delete(reason=arguments.get("reason", "Channel deleted via MCP"))
        return [TextContent(
            type="text",
            text=f"Deleted channel successfully"
        )]
  • Schema definition for the 'delete_channel' tool, including input parameters for channel_id (required) and optional reason.
    Tool(
        name="delete_channel",
        description="Delete a channel",
        inputSchema={
            "type": "object",
            "properties": {
                "channel_id": {
                    "type": "string",
                    "description": "ID of channel to delete"
                },
                "reason": {
                    "type": "string",
                    "description": "Reason for deletion"
                }
            },
            "required": ["channel_id"]
        }
    ),
  • The tool is registered by being included in the list returned by the list_tools handler, which is decorated with @app.list_tools().
    @app.list_tools()
    async def list_tools() -> List[Tool]:
        """List available Discord tools."""
        return [
            # Server Information Tools
            Tool(
                name="get_server_info",
                description="Get information about a Discord server",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "server_id": {
                            "type": "string",
                            "description": "Discord server (guild) ID"
                        }
                    },
                    "required": ["server_id"]
                }
            ),
            Tool(
                name="get_channels",
                description="Get a list of all channels in a Discord server",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "server_id": {
                            "type": "string",
                            "description": "Discord server (guild) ID"
                        }
                    },
                    "required": ["server_id"]
                }
            ),
            Tool(
                name="list_members",
                description="Get a list of members in a server",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "server_id": {
                            "type": "string",
                            "description": "Discord server (guild) ID"
                        },
                        "limit": {
                            "type": "number",
                            "description": "Maximum number of members to fetch",
                            "minimum": 1,
                            "maximum": 1000
                        }
                    },
                    "required": ["server_id"]
                }
            ),
    
            # Role Management Tools
            Tool(
                name="add_role",
                description="Add a role to a user",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "server_id": {
                            "type": "string",
                            "description": "Discord server ID"
                        },
                        "user_id": {
                            "type": "string",
                            "description": "User to add role to"
                        },
                        "role_id": {
                            "type": "string",
                            "description": "Role ID to add"
                        }
                    },
                    "required": ["server_id", "user_id", "role_id"]
                }
            ),
            Tool(
                name="remove_role",
                description="Remove a role from a user",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "server_id": {
                            "type": "string",
                            "description": "Discord server ID"
                        },
                        "user_id": {
                            "type": "string",
                            "description": "User to remove role from"
                        },
                        "role_id": {
                            "type": "string",
                            "description": "Role ID to remove"
                        }
                    },
                    "required": ["server_id", "user_id", "role_id"]
                }
            ),
    
            # Channel Management Tools
            Tool(
                name="create_text_channel",
                description="Create a new text channel",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "server_id": {
                            "type": "string",
                            "description": "Discord server ID"
                        },
                        "name": {
                            "type": "string",
                            "description": "Channel name"
                        },
                        "category_id": {
                            "type": "string",
                            "description": "Optional category ID to place channel in"
                        },
                        "topic": {
                            "type": "string",
                            "description": "Optional channel topic"
                        }
                    },
                    "required": ["server_id", "name"]
                }
            ),
            Tool(
                name="delete_channel",
                description="Delete a channel",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "channel_id": {
                            "type": "string",
                            "description": "ID of channel to delete"
                        },
                        "reason": {
                            "type": "string",
                            "description": "Reason for deletion"
                        }
                    },
                    "required": ["channel_id"]
                }
            ),
    
            # Message Reaction Tools
            Tool(
                name="add_reaction",
                description="Add a reaction to a message",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "channel_id": {
                            "type": "string",
                            "description": "Channel containing the message"
                        },
                        "message_id": {
                            "type": "string",
                            "description": "Message to react to"
                        },
                        "emoji": {
                            "type": "string",
                            "description": "Emoji to react with (Unicode or custom emoji ID)"
                        }
                    },
                    "required": ["channel_id", "message_id", "emoji"]
                }
            ),
            Tool(
                name="add_multiple_reactions",
                description="Add multiple reactions to a message",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "channel_id": {
                            "type": "string",
                            "description": "Channel containing the message"
                        },
                        "message_id": {
                            "type": "string",
                            "description": "Message to react to"
                        },
                        "emojis": {
                            "type": "array",
                            "items": {
                                "type": "string",
                                "description": "Emoji to react with (Unicode or custom emoji ID)"
                            },
                            "description": "List of emojis to add as reactions"
                        }
                    },
                    "required": ["channel_id", "message_id", "emojis"]
                }
            ),
            Tool(
                name="remove_reaction",
                description="Remove a reaction from a message",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "channel_id": {
                            "type": "string",
                            "description": "Channel containing the message"
                        },
                        "message_id": {
                            "type": "string",
                            "description": "Message to remove reaction from"
                        },
                        "emoji": {
                            "type": "string",
                            "description": "Emoji to remove (Unicode or custom emoji ID)"
                        }
                    },
                    "required": ["channel_id", "message_id", "emoji"]
                }
            ),
            Tool(
                name="send_message",
                description="Send a message to a specific channel",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "channel_id": {
                            "type": "string",
                            "description": "Discord channel ID"
                        },
                        "content": {
                            "type": "string",
                            "description": "Message content"
                        }
                    },
                    "required": ["channel_id", "content"]
                }
            ),
            Tool(
                name="read_messages",
                description="Read recent messages from a channel",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "channel_id": {
                            "type": "string",
                            "description": "Discord channel ID"
                        },
                        "limit": {
                            "type": "number",
                            "description": "Number of messages to fetch (max 100)",
                            "minimum": 1,
                            "maximum": 100
                        }
                    },
                    "required": ["channel_id"]
                }
            ),
            Tool(
                name="get_user_info",
                description="Get information about a Discord user",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "user_id": {
                            "type": "string",
                            "description": "Discord user ID"
                        }
                    },
                    "required": ["user_id"]
                }
            ),
            Tool(
                name="moderate_message",
                description="Delete a message and optionally timeout the user",
                inputSchema={
                    "type": "object",
                    "properties": {
                        "channel_id": {
                            "type": "string",
                            "description": "Channel ID containing the message"
                        },
                        "message_id": {
                            "type": "string",
                            "description": "ID of message to moderate"
                        },
                        "reason": {
                            "type": "string",
                            "description": "Reason for moderation"
                        },
                        "timeout_minutes": {
                            "type": "number",
                            "description": "Optional timeout duration in minutes",
                            "minimum": 0,
                            "maximum": 40320  # Max 4 weeks
                        }
                    },
                    "required": ["channel_id", "message_id", "reason"]
                }
            ),
            Tool(
                name="list_servers",
                description="Get a list of all Discord servers the bot has access to with their details such as name, id, member count, and creation date.",
                inputSchema={
                    "type": "object",
                    "properties": {},
                    "required": []
                }
            )
        ]
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. 'Delete a channel' implies a destructive, irreversible mutation, but it doesn't specify consequences (e.g., whether messages are lost, if it's permanent, or if it affects server structure). It also omits information about permissions, rate limits, or error conditions. For a destructive tool with zero annotation coverage, this leaves significant behavioral gaps.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, direct sentence with zero wasted words. It's front-loaded with the core action and resource, making it highly efficient. Every word earns its place, and there's no unnecessary elaboration or redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (destructive mutation with 2 parameters) and lack of annotations or output schema, the description is incomplete. It fails to address critical aspects like the irreversible nature of deletion, permission requirements, or what happens post-deletion. For a tool with significant behavioral implications, the description should provide more context to ensure safe and correct usage.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% description coverage, with clear documentation for both parameters ('channel_id' and 'reason'). The description adds no additional meaning beyond what the schema provides—it doesn't explain parameter interactions, format specifics, or usage nuances. With high schema coverage, the baseline score of 3 is appropriate as the schema does the heavy lifting.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Delete a channel' clearly states the verb ('Delete') and resource ('a channel'), making the purpose immediately understandable. It doesn't explicitly differentiate from sibling tools like 'remove_role' or 'moderate_message', but the specificity of 'channel' as the target resource provides reasonable distinction. This is clear but lacks explicit sibling differentiation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives. It doesn't mention prerequisites (e.g., permissions needed), when deletion is appropriate versus archiving or other actions, or how it relates to sibling tools like 'create_text_channel' or 'get_channels'. There's no explicit or implied context for usage decisions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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