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Slack MCP servers, with their tools checked
Every server in the official MCP registry that mentions Slack, with a public endpoint, read the way an MCP client reads it and checked for tool poisoning. The list updates as the registry does, and each server is read again every week.
22 listed. We have read the tools of 2 so far; the others want credentials first, could not be reached, or are still waiting for their first read.
These servers act inside an account you own, usually with a token you give them. Prefer the narrowest access the tools need, and check which tools can send, post or delete.
| getwowlink com.getwowlink/mcp | 6 tools, nothing matched 2026-10-22 |
| Tenpace Review Router io.github.tenpace-app/review-router | 5 tools, nothing matched 2026-10-22 |
| ai.backengine/backengine-mcp ai.backengine/backengine-mcp | needs credentials to list tools 2026-10-21 |
| Stumpy ai.stumpy/agents | needs credentials to list tools 2026-10-21 |
| ai.waystation/mcp ai.waystation/mcp | not reachable 2026-10-22 |
| ai.waystation/slack ai.waystation/slack | not reachable 2026-10-22 |
| Keeploop app.keeploop/keeploop | needs credentials to list tools 2026-10-22 |
| Patricia app.patricia/patricia | needs credentials to list tools 2026-10-22 |
| cc.aiones/x-news-monitor cc.aiones/x-news-monitor | not read yet |
| Attrove com.attrove/mcp | not read yet |
| Genchi com.genchi/genchi | not read yet |
| Slack MCP by InsightfulPipe com.insightfulpipe/slack | not read yet |
| io.foqal/Foqal io.foqal/Foqal | not read yet |
| Agent-Native Brain io.github.BuilderIO/agent-native-brain | not read yet |
| Agent-Native Dispatch io.github.BuilderIO/agent-native-dispatch | not read yet |
| Slack MCP Server io.github.jtalk22/slack-mcp-server | not read yet |
| Tenpace Review Router io.github.Patrax/review-router | not read yet |
| Slack_connect io.github.pipeworx-io/slack_connect | not read yet |
| Slack channel name shape, value discarded io.github.sadri-dridi/slack-channel-ok | not read yet |
| Slack Webhook Shape io.github.sadri-dridi/slack-webhook-shape | not read yet |
| ProfessionalHeadshot.io io.professionalheadshot/professionalheadshot | not read yet |
| Runbear io.runbear/runbear | not read yet |
Choosing one
Open a server's page to see the tools it advertises, whether it sets instructions for the model, and our latest read. Here, 2 of the servers shown matched none of our tool-poisoning rules on their last read. A clean read means our rules found nothing, not that a server is harmless; still check what access it asks for. To check one that is not listed, paste its URL into the free MCP server check.
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