{
  "id": "tool-descriptor:slack.add-reaction",
  "_kind": "ToolDescriptor",
  "_file": "extensions/tool-descriptors/slack-mcp-tools.yaml",
  "_cluster": "extensions",
  "attributes": {
    "schema": "{}",
    "displayName": "Slack: Add Reaction",
    "description": "Add a reaction emoji to a message.",
    "inputSchema": {
      "type": "object",
      "required": [
        "channel_id",
        "timestamp",
        "reaction"
      ],
      "properties": {
        "channel_id": {
          "type": "string"
        },
        "timestamp": {
          "type": "string"
        },
        "reaction": {
          "type": "string"
        }
      }
    },
    "outputSchema": {
      "type": "object",
      "properties": {
        "ok": {
          "type": "boolean"
        }
      }
    },
    "mode": "normal",
    "streamable": false,
    "timeoutMs": 30000
  },
  "outgoingEdges": [
    {
      "from": "tool-descriptor:slack.add-reaction",
      "to": "tool-server:slack-mcp",
      "kind": "contained_in_plugin",
      "attributes": {}
    }
  ],
  "incomingEdges": [
    {
      "from": "tool-server:slack-mcp",
      "to": "tool-descriptor:slack.add-reaction",
      "kind": "contains_tool_descriptor",
      "attributes": {}
    }
  ]
}