diff --git a/README.md b/README.md
index e3d9dbe9b3..4db157b73d 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ Official integrations are maintained by companies building production ready MCP
-
**[Apache IoTDB](https://github.com/apache/iotdb-mcp-server)** - MCP Server for [Apache IoTDB](https://github.com/apache/iotdb) database and its tools
-
**[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
-
**[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.
+-
**[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.
-
**[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.
-
**[Axiom](https://github.com/axiomhq/mcp-server-axiom)** - Query and analyze your Axiom logs, traces, and all other event data in natural language
-
**[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)**
diff --git a/src/slack/README.md b/src/slack/README.md
index 970cba6645..61bec01fa2 100644
--- a/src/slack/README.md
+++ b/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:
diff --git a/src/slack/index.ts b/src/slack/index.ts
index b01246606c..f2135b3621 100644
--- a/src/slack/index.ts
+++ b/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 {
- 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 {