npm · telegram-slack-mcp
$npx -y telegram-slack-mcp@0.5.1 TELEGRAM_API_ID — api_id from https://my.telegram.org (Telegram server only)
TELEGRAM_API_HASH · secret — api_hash from https://my.telegram.org (Telegram server only)
TELEGRAM_ALLOW_SEND — Set to 1 to allow sending Telegram messages as you. Off by default.
SLACK_USER_TOKENS · secret — One Slack user token (xoxp-) per workspace, comma separated (Slack server only)
SLACK_ALLOW_SEND — Set to 1 to allow posting to Slack as you. Off by default.
CHAT_MCP_DATA_DIR — Where the Telegram session is stored. Defaults to ~/.chat-mcp