korotovsky/slack-mcp-server
MCP Browser & AutomationThe most powerful MCP server for Slack Workspaces.
Features
- Stealth and OAuth authentication modes for flexible deployment
- Support for Enterprise Slack workspaces
- Channel, thread, DM, and Group DM message retrieval with Smart History pagination
- Unread‑message fetching with priority sorting and mark‑as‑read capability
- Search messages by date, user, or content across channels, threads, and DMs
Recent releases
View all 3 releases →
v1.2.3
Bug fix
Notable features
- Ability to filter out users_search tool via enabled-tools configuration
Full changelog
What's Changed
- fix: channels_list returns empty results on Enterprise Grid with xoxc/xoxd tokens by @georgebashi in https://github.com/korotovsky/slack-mcp-server/pull/218
- Allow to filter out users_search tool via enabled-tools by @kirecek in https://github.com/korotovsky/slack-mcp-server/pull/213
New Contributors
- @georgebashi made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/218
- @kirecek made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/213
Full Changelog: https://github.com/korotovsky/slack-mcp-server/compare/v1.2.2...v1.2.3
v1.2.2
New feature
⚠ Upgrade required
- Rename payload parameter to text in conversations_add_message tool.
- Return tool errors as isError results instead of JSON-RPC errors.
Notable features
- Add reaction tool (reactions_add)
- Add reactions_remove tool
- Add BotName, FileCount, HasMedia fields to message output
Full changelog
What's Changed
- feat: add reaction tool by @xav-ie in https://github.com/korotovsky/slack-mcp-server/pull/141
- feat: Add tool annotations for improved LLM tool understanding by @bryankthompson in https://github.com/korotovsky/slack-mcp-server/pull/144
- fix: wait for cache to be ready before serving stdio requests by @bhaskoro-muthohar in https://github.com/korotovsky/slack-mcp-server/pull/155
- feat(docker): Set mcp-server as ENTRYPOINT for improved usability by @JAORMX in https://github.com/korotovsky/slack-mcp-server/pull/156
- ci: add Trivy scan for Go dependencies by @JAORMX in https://github.com/korotovsky/slack-mcp-server/pull/157
- ci: add Dependabot for Go modules and GitHub Actions by @JAORMX in https://github.com/korotovsky/slack-mcp-server/pull/158
- feat: govslack compatibility by @aron-muon in https://github.com/korotovsky/slack-mcp-server/pull/165
- feat: add reactions_remove tool by @Flare576 in https://github.com/korotovsky/slack-mcp-server/pull/169
- feat: add BotName, FileCount, HasMedia fields to message output by @Flare576 in https://github.com/korotovsky/slack-mcp-server/pull/170
- feat: add conversations_unreads and conversations_mark tools by @Flare576 in https://github.com/korotovsky/slack-mcp-server/pull/171
- feat: add --enabled-tools flag to filter available MCP tools by @RedSlowpoke in https://github.com/korotovsky/slack-mcp-server/pull/173
- fix: include thread_broadcast replies in conversations_replies by @dhpwd in https://github.com/korotovsky/slack-mcp-server/pull/174
- fix: support user id with W prefix by @dosentmatter in https://github.com/korotovsky/slack-mcp-server/pull/175
- fix(dxt): add missing xoxb_token workaround for DXT bug by @dalley in https://github.com/korotovsky/slack-mcp-server/pull/178
- feat: add users_search tool for finding users by name/email by @Flare576 in https://github.com/korotovsky/slack-mcp-server/pull/179
- feat: add cache TTL and refresh-on-error for channel lookups by @ljagiello in https://github.com/korotovsky/slack-mcp-server/pull/180
- feat: add startup auth validation and workspace-isolated cache paths by @Flare576 in https://github.com/korotovsky/slack-mcp-server/pull/183
- fix: correct channel allowlist/blocklist logic by @RedSlowpoke in https://github.com/korotovsky/slack-mcp-server/pull/189
- feat: add user group management tools by @RedSlowpoke in https://github.com/korotovsky/slack-mcp-server/pull/193
- fix: rename payload parameter to text in conversations_add_message by @RedSlowpoke in https://github.com/korotovsky/slack-mcp-server/pull/194
- fix: return tool errors as isError results instead of JSON-RPC errors by @aminsaedi in https://github.com/korotovsky/slack-mcp-server/pull/196
New Contributors
- @xav-ie made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/141
- @bryankthompson made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/144
- @bhaskoro-muthohar made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/155
- @JAORMX made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/156
- @aron-muon made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/165
- @Flare576 made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/169
- @dhpwd made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/174
- @dosentmatter made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/175
- @dalley made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/178
- @RedSlowpoke made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/173
- @aminsaedi made their first contribution in https://github.com/korotovsky/slack-mcp-server/pull/196
Full Changelog: https://github.com/korotovsky/slack-mcp-server/compare/v1.2.0...v1.2.2
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