Final changes for v1.1.21

Author: korotovsky

README.md

@@ -60,7 +60,7 @@ Add a message to a public channel, private channel, or direct message (DM, or IM
 ### 4. conversations_search_messages
 Search messages in a public channel, private channel, or direct message (DM, or IM) conversation using filters. All filters are optional, if not provided then search_query is required.
 - **Parameters:**
-  - `search_query` (string, optional): Search query to filter messages. Example: `marketing report`.
+  - `search_query` (string, optional): Search query to filter messages. Example: 'marketing report' or full URL of Slack message e.g. 'https://slack.com/archives/C1234567890/p1234567890123456', then the tool will return a single message matching given URL, herewith all other parameters will be ignored.
   - `filter_in_channel` (string, optional): Filter messages in a specific channel by its ID or name. Example: `C1234567890` or `#general`. If not provided, all channels will be searched.
   - `filter_in_im_or_mpim` (string, optional): Filter messages in a direct message (DM) or multi-person direct message (MPIM) conversation by its ID or name. Example: `D1234567890` or `@username_dm`. If not provided, all DMs and MPIMs will be searched.
   - `filter_users_with` (string, optional): Filter messages with a specific user by their ID or display name in threads and DMs. Example: `U1234567890` or `@username`. If not provided, all threads and DMs will be searched.

extension.dxt/manifest.json

@@ -2,7 +2,7 @@
   "dxt_version": "0.1",
   "name": "Slack MCP Server",
   "display_name": "Slack MCP Server",
-  "version": "1.1.20",
+  "version": "1.1.21",
   "description": "The most powerful MCP Slack Server with no permission requirements, Apps support, multiple transports Stdio and SSE, DMs, Group DMs and smart history fetch logic.",
   "long_description": "Model Context Protocol (MCP) server for Slack Workspaces. The most powerful MCP Slack server — supports Stdio and SSE transports, proxy settings, DMs, Group DMs, Smart History fetch (by date or count), may work via OAuth or in complete stealth mode with no permissions and scopes in Workspace \uD83D\uDE0F.\nThis feature-rich Slack MCP Server has:\n\n - Stealth and OAuth Modes: Run the server without requiring additional permissions or bot installations (stealth mode), or use secure OAuth tokens for access without needing to refresh or extract tokens from the browser (OAuth mode).\n - Enterprise Workspaces Support: Possibility to integrate with Enterprise Slack setups.\n - Channel and Thread Support with `#Name` `@Lookup`: Fetch messages from channels and threads, including activity messages, and retrieve channels using their names (e.g., `#general`) as well as their IDs.\n - Smart History: Fetch messages with pagination by date (d1, 7d, 1m) or message count.\n - Search Messages: Search messages in channels, threads, and DMs using various filters like date, user, and content.\n - Safe Message Posting: The `conversations_add_message` tool is disabled by default for safety. Enable it via an environment variable, with optional channel restrictions.\n - DM and Group DM support: Retrieve direct messages and group direct messages.\n - Embedded user information: Embed user information in messages, for better context.\n - Cache support: Cache users and channels for faster access.\n - Stdio/SSE Transports & Proxy Support: Use the server with any MCP client that supports Stdio or SSE transports, and configure it to route outgoing requests through a proxy if needed.\n",
   "author": {