io.github.stevenvo/slack-mcp-server

Is the io.github.stevenvo/slack-mcp-server MCP server down? Yes. It has given no valid answer since 2026-10-20: crashed on start.

Read Slack conversations, threads, user info, and search messages from your MCP client.

crashed on start down since 2026-10-20 · probed 2026-11-14 · unchanged since 2026-10-27

MCP error -32000: Connection closed
AttributeError: 'Server' object has no attribute 'list_tools'
  File "/work/uv/slack-mcp-server-v2/lib/python3.12/site-packa

Run it: uvx slack-mcp-server-v2@0.1.0 (stdio, probed in a container with the network off)
Host: pypi.org
Repository: https://github.com/stevenvo/slack-mcp-server
Registry: active, updated 2025-11-07 · registry entry

Compare this server with others.

More servers

Other registry entries on pypi.org, the ones next to this name; all of them.

RLM Tools io.github.stefanoshea/rlm-tools · needs mcp<2
Azure Verified Modules (AVM) MCP Server io.github.stefanstranger/avm-mcp-server · needs mcp<2
Stockfish MCP io.github.stepbot/stockfish-mcp · needs args
io.github.sterion66/godot · alive
MedXpert Regulatory Hub io.github.stevenzhao07/medxpert-reg-hub · alive
mcu-debug-mcp io.github.stillsurge/mcu-debug-mcp · alive
Stobo SEO & AEO Audit io.github.stobo-app/seo-audit · needs mcp<2
Strac MCP DLP io.github.strac-io/strac-mcp-dlp · alive

Servers that mention slack.

ai.backengine/backengine-mcp · needs auth
LinkDeal ai.linkdeal.www/mcp · needs auth
Stumpy ai.stumpy/agents · needs auth
ai.waystation/mcp · paid (402)
ai.waystation/slack · paid (402)
ai.smithery/smithery-ai-slack · not found
Attrove com.attrove/mcp · needs auth
Genchi com.genchi/genchi · needs auth

Badge for the README

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Atom feed

A mail when this server changes

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher

No valid answer since 2026-10-20, in every probe since then.
The process exited on start before it answered initialize. The error output is above.

The cause and the fix, with the code before and after: AttributeError: 'Server' object has no attribute 'list_tools'