telegram-slack-mcp

An MCP server that connects Claude to personal Telegram and Slack accounts, enabling agents to read real DMs, groups, and channels using MTProto for Telegram and user tokens for Slack, rather than relying on bot inboxes.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by nileshpatil6

Vendor documentation

What you can do with it

Read unread messages from actual people on Telegram
Search all Slack workspaces for specific posts
Draft replies to recent messages
View screenshots sent in chats

Source and maintenance

Community listingRegistry 0.5.1

mcp-registry: io.github.nileshpatil6/telegram-slack-mcp@0.5.1 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

telegram-slack-mcp 0.5.1

npm

telegram-slack-mcp package definition

{
  "version": "0.5.1",
  "transport": "stdio",
  "identifier": "telegram-slack-mcp",
  "registryType": "npm",
  "runtimeArguments": [
    {
      "name": "server",
      "type": "positional",
      "value": "telegram",
      "format": "string",
      "choices": [
        "telegram",
        "slack"
      ],
      "isRequired": true,
      "description": "Which server to run: 'telegram' or 'slack'"
    }
  ],
  "environmentVariables": [
    {
      "name": "TELEGRAM_API_ID",
      "format": "string",
      "description": "api_id from https://my.telegram.org (Telegram server only)"
    },
    {
      "name": "TELEGRAM_API_HASH",
      "format": "string",
      "description": "api_hash from https://my.telegram.org (Telegram server only)"
    },
    {
      "name": "TELEGRAM_ALLOW_SEND",
      "format": "string",
      "description": "Set to 1 to allow sending Telegram messages as you. Off by default."
    },
    {
      "name": "SLACK_USER_TOKENS",
      "format": "string",
      "description": "One Slack user token (xoxp-) per workspace, comma separated (Slack server only)"
    },
    {
      "name": "SLACK_ALLOW_SEND",
      "format": "string",
      "description": "Set to 1 to allow posting to Slack as you. Off by default."
    },
    {
      "name": "CHAT_MCP_DATA_DIR",
      "format": "string",
      "description": "Where the Telegram session is stored. Defaults to ~/.chat-mcp"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "telegram-slack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "telegram-slack-mcp@0.5.1"
      ],
      "env": {
        "TELEGRAM_API_ID": "<YOUR_TELEGRAM_API_ID>",
        "TELEGRAM_API_HASH": "<YOUR_TELEGRAM_API_HASH>",
        "TELEGRAM_ALLOW_SEND": "<YOUR_TELEGRAM_ALLOW_SEND>",
        "SLACK_USER_TOKENS": "<YOUR_SLACK_USER_TOKENS>",
        "SLACK_ALLOW_SEND": "<YOUR_SLACK_ALLOW_SEND>",
        "CHAT_MCP_DATA_DIR": "<YOUR_CHAT_MCP_DATA_DIR>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "telegram-slack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "telegram-slack-mcp@0.5.1"
      ],
      "env": {
        "TELEGRAM_API_ID": "<YOUR_TELEGRAM_API_ID>",
        "TELEGRAM_API_HASH": "<YOUR_TELEGRAM_API_HASH>",
        "TELEGRAM_ALLOW_SEND": "<YOUR_TELEGRAM_ALLOW_SEND>",
        "SLACK_USER_TOKENS": "<YOUR_SLACK_USER_TOKENS>",
        "SLACK_ALLOW_SEND": "<YOUR_SLACK_ALLOW_SEND>",
        "CHAT_MCP_DATA_DIR": "<YOUR_CHAT_MCP_DATA_DIR>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "telegram-slack-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "telegram-slack-mcp@0.5.1"
      ],
      "env": {
        "TELEGRAM_API_ID": "<YOUR_TELEGRAM_API_ID>",
        "TELEGRAM_API_HASH": "<YOUR_TELEGRAM_API_HASH>",
        "TELEGRAM_ALLOW_SEND": "<YOUR_TELEGRAM_ALLOW_SEND>",
        "SLACK_USER_TOKENS": "<YOUR_SLACK_USER_TOKENS>",
        "SLACK_ALLOW_SEND": "<YOUR_SLACK_ALLOW_SEND>",
        "CHAT_MCP_DATA_DIR": "<YOUR_CHAT_MCP_DATA_DIR>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "telegram-slack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "telegram-slack-mcp@0.5.1"
      ],
      "env": {
        "TELEGRAM_API_ID": "<YOUR_TELEGRAM_API_ID>",
        "TELEGRAM_API_HASH": "<YOUR_TELEGRAM_API_HASH>",
        "TELEGRAM_ALLOW_SEND": "<YOUR_TELEGRAM_ALLOW_SEND>",
        "SLACK_USER_TOKENS": "<YOUR_SLACK_USER_TOKENS>",
        "SLACK_ALLOW_SEND": "<YOUR_SLACK_ALLOW_SEND>",
        "CHAT_MCP_DATA_DIR": "<YOUR_CHAT_MCP_DATA_DIR>"
      }
    }
  }
}

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