[pull] main from modelcontextprotocol:main

README.md

@@ -47,6 +47,7 @@ Official integrations are maintained by companies building production ready MCP
 - <img height="12" width="12" src="https://iotdb.apache.org/img/logo.svg" alt="Apache IoTDB Logo" /> **[Apache IoTDB](https://github.com/apache/iotdb-mcp-server)** - MCP Server for [Apache IoTDB](https://github.com/apache/iotdb) database and its tools
 - <img height="12" width="12" src="https://apify.com/favicon.ico" alt="Apify Logo" /> **[Apify](https://github.com/apify/actors-mcp-server)** - [Actors MCP Server](https://apify.com/apify/actors-mcp-server): Use 3,000+ pre-built cloud tools to extract data from websites, e-commerce, social media, search engines, maps, and more
 - <img height="12" width="12" src="https://2052727.fs1.hubspotusercontent-na1.net/hubfs/2052727/cropped-cropped-apimaticio-favicon-1-32x32.png" alt="APIMatic Logo" /> **[APIMatic MCP](https://github.com/apimatic/apimatic-validator-mcp)** - APIMatic MCP Server is used to validate OpenAPI specifications using [APIMatic](https://www.apimatic.io/). The server processes OpenAPI files and returns validation summaries by leveraging APIMatic’s API.
+- <img height="12" width="12" src="https://www.datastax.com/favicon-32x32.png" alt="DataStax logo" /> **[Astra DB](https://github.com/datastax/astra-db-mcp)** - Comprehensive tools for managing collections and documents in a [DataStax Astra DB](https://www.datastax.com/products/datastax-astra) NoSQL database with a full range of operations such as create, update, delete, find, and associated bulk actions.
 - <img height="12" width="12" src="https://resources.audiense.com/hubfs/favicon-1.png" alt="Audiense Logo" /> **[Audiense Insights](https://github.com/AudienseCo/mcp-audiense-insights)** - Marketing insights and audience analysis from [Audiense](https://www.audiense.com/products/audiense-insights) reports, covering demographic, cultural, influencer, and content engagement analysis.
 - <img height="12" width="12" src="https://axiom.co/favicon.ico" alt="Axiom Logo" /> **[Axiom](https://github.com/axiomhq/mcp-server-axiom)** - Query and analyze your Axiom logs, traces, and all other event data in natural language
 - <img height="12" width="12" src="https://www.bankless.com/favicon.ico" alt="Bankless Logo" /> **[Bankless Onchain](https://github.com/bankless/onchain-mcp)** - Query Onchain data, like ERC20 tokens, transaction history, smart contract state.
@@ -177,6 +178,7 @@ A growing set of community-developed and maintained servers demonstrates various
 - **[CFBD API](https://github.com/lenwood/cfbd-mcp-server)** - An MCP server for the [College Football Data API](https://collegefootballdata.com/).
 - **[ChatMCP](https://github.com/AI-QL/chat-mcp)** – An Open Source Cross-platform GUI Desktop application compatible with Linux, macOS, and Windows, enabling seamless interaction with MCP servers across dynamically selectable LLMs, by **[AIQL](https://github.com/AI-QL)**
 - **[ChatSum](https://github.com/mcpso/mcp-server-chatsum)** - Query and Summarize chat messages with LLM. by [mcpso](https://mcp.so)
+- **[Chess.com](https://github.com/pab1it0/chess-mcp)** - Access Chess.com player data, game records, and other public information through standardized MCP interfaces, allowing AI assistants to search and analyze chess information.
 - **[Chroma](https://github.com/privetin/chroma)** - Vector database server for semantic document search and metadata filtering, built on Chroma
 - **[ClaudePost](https://github.com/ZilongXue/claude-post)** - ClaudePost enables seamless email management for Gmail, offering secure features like email search, reading, and sending.
 - **[Cloudinary](https://github.com/felores/cloudinary-mcp-server)** - Cloudinary Model Context Protocol Server to upload media to Cloudinary and get back the media link and details.
@@ -426,6 +428,7 @@ Additional resources on MCP.
 - **[mcp-cli](https://github.com/wong2/mcp-cli)** - A CLI inspector for the Model Context Protocol by **[wong2](https://github.com/wong2)**
 - **[mcp-get](https://mcp-get.com)** - Command line tool for installing and managing MCP servers by **[Michael Latman](https://github.com/michaellatman)**
 - **[mcp-guardian](https://github.com/eqtylab/mcp-guardian)** - GUI application + tools for proxying / managing control of MCP servers by **[EQTY Lab](https://eqtylab.io)**
+- **[mcpm](https://github.com/pathintegral-institute/mcpm.sh)** ([website](https://mcpm.sh)) - MCP Manager (MCPM) is a Homebrew-like service for managing Model Context Protocol (MCP) servers across clients by **[Pathintegral](https://github.com/pathintegral-institute)**
 - **[mcp-manager](https://github.com/zueai/mcp-manager)** - Simple Web UI to install and manage MCP servers for Claude Desktop by **[Zue](https://github.com/zueai)**
 - **[MCPHub](https://github.com/Jeamee/MCPHub-Desktop)** – An Open Source MacOS & Windows GUI Desktop app for discovering, installing and managing MCP servers by **[Jeamee](https://github.com/jeamee)**
 - **[mcp.natoma.id](https://mcp.natoma.id)** - A Hosted MCP Platform to discover, install, manage and deploy MCP servers by **[Natoma Labs](https://www.natoma.id)**

src/slack/README.md

@@ -5,7 +5,7 @@ MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.
 ## Tools
 
 1. `slack_list_channels`
-   - List public channels in the workspace
+   - List public or pre-defined channels in the workspace
    - Optional inputs:
      - `limit` (number, default: 100, max: 200): Maximum number of channels to return
      - `cursor` (string): Pagination cursor for next page
@@ -102,7 +102,8 @@ Add the following to your `claude_desktop_config.json`:
       ],
       "env": {
         "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
-        "SLACK_TEAM_ID": "T01234567"
+        "SLACK_TEAM_ID": "T01234567",
+        "SLACK_CHANNEL_IDS": "C01234567, C76543210"
       }
     }
   }
@@ -124,17 +125,26 @@ Add the following to your `claude_desktop_config.json`:
         "SLACK_BOT_TOKEN",
         "-e",
         "SLACK_TEAM_ID",
+        "-e",
+        "SLACK_CHANNEL_IDS",
         "mcp/slack"
       ],
       "env": {
         "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
-        "SLACK_TEAM_ID": "T01234567"
+        "SLACK_TEAM_ID": "T01234567",
+        "SLACK_CHANNEL_IDS": "C01234567, C76543210"
       }
     }
   }
 }
 ```
 
+### Environment Variables
+
+1. `SLACK_BOT_TOKEN`: Required. The Bot User OAuth Token starting with `xoxb-`.
+2. `SLACK_TEAM_ID`: Required. Your Slack workspace ID starting with `T`.
+3. `SLACK_CHANNEL_IDS`: Optional. Comma-separated list of channel IDs to limit channel access (e.g., "C01234567, C76543210"). If not set, all public channels will be listed.
+
 ### Troubleshooting
 
 If you encounter permission errors, verify that:

src/slack/index.ts

@@ -53,7 +53,7 @@ interface GetUserProfileArgs {
 // Tool definitions
 const listChannelsTool: Tool = {
   name: "slack_list_channels",
-  description: "List public channels in the workspace with pagination",
+  description: "List public or pre-defined channels in the workspace with pagination",
   inputSchema: {
     type: "object",
     properties: {
@@ -221,23 +221,51 @@ class SlackClient {
   }
 
   async getChannels(limit: number = 100, cursor?: string): Promise<any> {
-    const params = new URLSearchParams({
-      types: "public_channel",
-      exclude_archived: "true",
-      limit: Math.min(limit, 200).toString(),
-      team_id: process.env.SLACK_TEAM_ID!,
-    });
-
-    if (cursor) {
-      params.append("cursor", cursor);
+    const predefinedChannelIds = process.env.SLACK_CHANNEL_IDS;
+    if (!predefinedChannelIds) {
+      const params = new URLSearchParams({
+        types: "public_channel",
+        exclude_archived: "true",
+        limit: Math.min(limit, 200).toString(),
+        team_id: process.env.SLACK_TEAM_ID!,
+      });
+
+      if (cursor) {
+        params.append("cursor", cursor);
+      }
+
+      const response = await fetch(
+        `https://slack.com/api/conversations.list?${params}`,
+        { headers: this.botHeaders },
+      );
+
+      return response.json();
     }
 
-    const response = await fetch(
-      `https://slack.com/api/conversations.list?${params}`,
-      { headers: this.botHeaders },
-    );
+    const predefinedChannelIdsArray = predefinedChannelIds.split(",").map((id: string) => id.trim());
+    const channels = [];
 
-    return response.json();
+    for (const channelId of predefinedChannelIdsArray) {
+      const params = new URLSearchParams({
+        channel: channelId,
+      });
+
+      const response = await fetch(
+        `https://slack.com/api/conversations.info?${params}`,
+        { headers: this.botHeaders }
+      );
+      const data = await response.json();
+
+      if (data.ok && data.channel && !data.channel.is_archived) {
+        channels.push(data.channel);
+      }
+    }
+
+    return {
+      ok: true,
+      channels: channels,
+      response_metadata: { next_cursor: "" },
+    };
   }
 
   async postMessage(channel_id: string, text: string): Promise<any> {