How do I connect Slack MCP Server to Claude?

Run `claude mcp add jtalk22-slack-mcp-server -- npx -y @jtalk22/slack-mcp --setup` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Slack MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Slack MCP Server do?

Slack MCP Server documents 21 tools to the agent, including slack_add_reaction, slack_catch_me_up, slack_conversations_history. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Slack MCP Server

Unclaimed

by jtalk22

Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth. 21 tools.

Set up this server

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'jtalk22-slack-mcp-server' -- 'npx' '-y' '@jtalk22/slack-mcp' '--setup'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

agentic-aiai-agentsanthropicclaudeclaude-codeclaude-desktopcodexcopilotcursordeveloper-toolsgemini-clillmlocal-firstmcpmcp-servermodel-context-protocolproductivityslackslack-apislack-mcp

Is this your MCP server?

This listing was auto-indexed from the public record. Claim it to edit the page, set compatibility and unlock growth tools. Takes under two minutes.

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Security profile

Claimed and verified servers get a weekly static scan that shows what the code can reach: external services, environment variables, shell commands, agent configuration folders, plus any dependencies with known advisories. Claim this listing to get one. How the security profile works

21 of 21 tools

Documented tools (21)

From project documentation. A server handshake does not verify each tool’s description or behavior.

slack_add_reaction

Add an emoji reaction

slack_catch_me_up

Read a profile's channels since its cadence window and return structured catch-up evidence

slack_conversations_history

Read channel or DM history with optional rich fields

slack_conversations_mark

Mark a conversation read

slack_conversations_unreads

Prioritize conversations with unread messages

slack_get_full_conversation

Export complete history and threads

slack_get_thread

Read all replies in a thread

slack_health_check

Verify credentials and workspace identity

slack_list_conversations

List channels and DMs

slack_list_users

Page through large workspace directories

slack_refresh_tokens

Refresh local credentials from the browser session on macOS—reads Slack, writes only local state

slack_remove_reaction

Remove an emoji reaction

slack_search_messages

Search across the workspace

slack_send_message

Send to a channel or DM

slack_smart_search

Semantic + lexical search over indexed Slack history

slack_token_status

Inspect credential age, health, cache, profile, and storage state

slack_triage

Prioritized action queue with routing recommendations

slack_users_info

Resolve a user

slack_users_search

Search users by name, display name, or email

slack_workflow_save

Save a typed workflow profile to ~/.slack-mcp-workflows.json

slack_workflows

List saved workflow profiles

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Slack MCP Server

How do I connect Slack MCP Server to Claude?: Run `claude mcp add jtalk22-slack-mcp-server -- npx -y @jtalk22/slack-mcp --setup` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Slack MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Slack MCP Server do?: Slack MCP Server documents 21 tools to the agent, including slack_add_reaction, slack_catch_me_up, slack_conversations_history. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.