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Session-based Slack MCP for Claude and MCP clients: local-first workflows, secure-default HTTP.

28 starsJavaScript

Slack MCP Server v2.0.0 (deterministic Slack MCP diagnostics)

by jtalk22·Feb 26, 2026·1 point·2 comments
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AI Analysis

●●SolidNiche GemSolve My Problem

Gives Claude your Slack access without OAuth walls—local-first, deterministic MCP contracts.

Strengths
  • •Local-first architecture (npx install, run on your machine) bypasses OAuth friction for power users
  • •Deterministic v2.0.0 release prioritizes stable tool contracts over feature churn—rare maturity signal
  • •Live demo and install proof show polished go-to-market versus typical research projects
Weaknesses
  • •MCP servers are a narrow niche—only useful if you're already using Claude + MCP clients
  • •No mention of rate limits, session token refresh, or Slack app workspace policies—could hit legal/auth walls
Target Audience

Claude users needing Slack context in workflows, AI teams managing Slack-based coordination

Similar To

Slack API · Claude MCP ecosystem

Post Description

Released @jtalk22/slack-mcp v2.0.0 today. Deterministic diagnostics, read-only --status checks, stable MCP tool contracts. Install proof in release notes.

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