Read Messages

Immutable Catalog + Curated Guide

This lossless descriptor comes from the active Portal catalog and is enhanced with reviewed examples.

READdiscord.read_messages

• Contract tier: agent_ready
• Risk: read
• Catalog version: discord-2026.07.12.3
• Descriptor hash: 43eb4a4055ea74be6b06ba07ef30cace3ba4c619d35f8f657d493b0324a1123d

Read channel history slices for context and moderation triage.

Request Body

{
  "jsonrpc": "2.0",
  "id": "discord-read-messages-example",
  "method": "tools/call",
  "params": {
    "name": "discord.read_messages",
    "arguments": {
      "channel_id": "123456789",
      "count": 20
    }
  }
}

Arguments Schema

{
  "type": "object",
  "title": "read_messages input",
  "properties": {
    "count": {
      "type": "string",
      "title": "Count",
      "default": "",
      "description": "Maximum records to return as a positive decimal string within the tool's limit."
    },
    "channel_id": {
      "type": "string",
      "title": "Channel Id",
      "default": "",
      "description": "Discord channel snowflake; empty uses the primary channel only where documented."
    },
    "after_message_id": {
      "type": "string",
      "title": "After Message Id",
      "default": "",
      "description": "Optional Discord message snowflake; return records created after it."
    },
    "before_message_id": {
      "type": "string",
      "title": "Before Message Id",
      "default": "",
      "description": "Optional Discord message snowflake; return records created before it."
    }
  },
  "description": "Validated input for the Discord MCP read_messages tool."
}

Output Schema

{
  "oneOf": [
    {
      "type": "object",
      "required": [
        "ok",
        "data",
        "meta"
      ],
      "properties": {
        "ok": {
          "const": true
        },
        "data": {
          "type": "object",
          "properties": {
            "count": {
              "type": [
                "integer",
                "null"
              ],
              "description": "Provider data field count returned by read_messages."
            },
            "messages": {
              "type": "array",
              "items": {},
              "description": "Provider data field messages returned by read_messages."
            },
            "channel_id": {
              "type": [
                "string",
                "null"
              ],
              "description": "Provider data field channel_id returned by read_messages."
            },
            "after_message_id": {
              "type": [
                "string",
                "null"
              ],
              "description": "Provider data field after_message_id returned by read_messages."
            },
            "before_message_id": {
              "type": [
                "string",
                "null"
              ],
              "description": "Provider data field before_message_id returned by read_messages."
            }
          },
          "description": "message IDs, authors, timestamps, content, embeds, attachments, reactions, and pagination context",
          "additionalProperties": true
        },
        "meta": {
          "type": "object",
          "required": [
            "duration_ms",
            "rate_limit",
            "warnings"
          ],
          "properties": {
            "guild_id": {
              "type": "string"
            },
            "warnings": {
              "type": "array",
              "items": {
                "type": "string"
              }
            },
            "thread_id": {
              "type": "string"
            },
            "channel_id": {
              "type": "string"
            },
            "rate_limit": {
              "type": "object",
              "additionalProperties": true
            },
            "request_id": {
              "type": "string"
            },
            "duration_ms": {
              "type": "integer",
              "minimum": 0
            }
          },
          "description": "Safe execution metadata containing no credentials or raw headers.",
          "additionalProperties": true
        }
      },
      "additionalProperties": false
    },
    {
      "type": "object",
      "required": [
        "ok",
        "error",
        "meta"
      ],
      "properties": {
        "ok": {
          "const": false
        },
        "meta": {
          "type": "object",
          "required": [
            "duration_ms",
            "rate_limit",
            "warnings"
          ],
          "properties": {
            "guild_id": {
              "type": "string"
            },
            "warnings": {
              "type": "array",
              "items": {
                "type": "string"
              }
            },
            "thread_id": {
              "type": "string"
            },
            "channel_id": {
              "type": "string"
            },
            "rate_limit": {
              "type": "object",
              "additionalProperties": true
            },
            "request_id": {
              "type": "string"
            },
            "duration_ms": {
              "type": "integer",
              "minimum": 0
            }
          },
          "description": "Safe execution metadata containing no credentials or raw headers.",
          "additionalProperties": true
        },
        "error": {
          "type": "object",
          "required": [
            "type",
            "message"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "message": {
              "type": "string"
            },
            "diagnostics": {
              "type": "object",
              "additionalProperties": true
            },
            "required_perms": {
              "type": "array",
              "items": {
                "type": "string"
              }
            },
            "discord_error_code": {
              "type": "integer"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    }
  ],
  "title": "Discord MCP provider result",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Normalized success or semantic-error response; ok=false is a failed call."
}

Code Examples

cURL

curl -X POST 'https://portal.madpanda3d.com/api/mcp' \
  -H 'Authorization: Bearer mad_live_***' \
  -H 'Content-Type: application/json' \
  -d '{
  "jsonrpc": "2.0",
  "id": "discord-read-messages-example",
  "method": "tools/call",
  "params": {
    "name": "discord.read_messages",
    "arguments": {
      "channel_id": "123456789",
      "count": 20
    }
  }
}'

Node.js

const response = await fetch('https://portal.madpanda3d.com/api/mcp', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer mad_live_***',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "jsonrpc": "2.0",
  "id": "discord-read-messages-example",
  "method": "tools/call",
  "params": {
    "name": "discord.read_messages",
    "arguments": {
      "channel_id": "123456789",
      "count": 20
    }
  }
}),
});
const data = await response.json();
console.log(data);

Python

import requests

url = 'https://portal.madpanda3d.com/api/mcp'
headers = {
    'Authorization': 'Bearer mad_live_***',
    'Content-Type': 'application/json',
}
payload = {
  "jsonrpc": "2.0",
  "id": "discord-read-messages-example",
  "method": "tools/call",
  "params": {
    "name": "discord.read_messages",
    "arguments": {
      "channel_id": "123456789",
      "count": 20
    }
  }
}
response = requests.post(url, headers=headers, json=payload, timeout=60)
print(response.json())

Example Responses

200 Success

{
  "ok": true,
  "messages": [
    {
      "id": "msg_1",
      "author": "moderator",
      "content": "Please keep discussion in #support"
    }
  ]
}

403 Forbidden

{
  "ok": false,
  "error": "missing_permissions"
}