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Retrieve a thread of messages posted to a conversation

An MCP tool from the Slack API server, hosted on mcp.hjlabs.in.

Retrieve a thread of messages posted to a conversation [GET /conversations.replies]

Name on the gateway: slack_api__conversations_replies · read-only.

Parameters

Name	Type	Description
`token`	`string`	Authentication token. Requires scope: conversations:history
`channel`	`string`	Conversation ID to fetch thread from.
`ts`	`number`	Unique identifier of a thread's parent message. ts must be the timestamp of an…
`latest`	`number`	End of time range of messages to include in results.
`oldest`	`number`	Start of time range of messages to include in results.
`inclusive`	`boolean`	Include messages with latest or oldest timestamp in results only when either…
`limit`	`integer`	The maximum number of items to return. Fewer than the requested number of…
`cursor`	`string`	Paginate through collections of data by setting the cursor parameter to a…

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments

{
  "name": "slack_api__conversations_replies",
  "arguments": {}
}

Or connect the Slack API server directly, which lists 174 tools including this one:

Run in your terminal

claude mcp add --transport http hj-slack-api https://mcp.hjlabs.in/mcp/slack-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Use the retrieve a thread of messages posted to a conversation tool with token set to ….