Slack MCP Server
by Slack
Updated July 29, 2026 · Reviewed July 24, 2026
MCP100 verdict
Search, read, and act on Slack workspace content through Slack's managed MCP endpoint.
MCP100 Assessment
Editorial verdict
Search, read, and act on Slack workspace content through Slack's managed MCP endpoint.
Reviewed 2026-07-24 · Next review 2026-10-24
Task Fit
Mapped
Team productivity
Trust
Reviewed
A dated editorial review is published on the MCP detail page.
Maintenance
Date unavailable
No dated repository or package update is currently stored.
Popularity
Signals unavailable
No independently comparable adoption metric is currently stored.
Best for
- Searching approved Slack channels, messages, files, users, and emoji
- Reading project conversations and threads from an MCP client
- Drafting or sending messages and managing canvases with explicit user approval
Not ideal for
- Bulk Slack export or archival
- Unattended messaging, channel creation, or canvas modification
Avoid if
- Private channels, direct messages, files, or user profiles cannot be shared with the external AI client
- Workspace administrators have not approved the Slack app and MCP integration
- The agent combines untrusted external content with write-capable Slack tools without isolation
Trade-offs
- Granular OAuth scopes allow narrow access, but useful cross-workspace search can still reveal highly sensitive conversations.
- Slack's managed endpoint avoids a local server, while requiring confidential OAuth, a fixed app ID, and an eligible directory-published or internal app.
- The server includes both read and write tools and is subject to Slack Web API rate limits.
Evidence scope
Evidence
Popularity
No MCP-specific repository metric is stored
No MCP-specific package metric is stored
Stars observation date unavailable · Downloads observation date unavailable
No public repository is mapped to the reviewed MCP.
No public package data is mapped to the reviewed MCP.
Maintenance
Publisher activity observed 2026-07-29T20:58:26.000Z
Current source snapshot
Trust review
Source relationship: First-party MCP
Reviewed 2026-07-24 · Next review 2026-10-24