Slack
Rank #3,121io.github.aaronsb/slack-mcp
Read and write Slack with session tokens — no OAuth, no bot, no admin approval.
What you can do with Slack
Slack is a Model Context Protocol (MCP) server published by aaronsb. It ranks #3,121 of 144,396 active servers on MCP Toplist, and its repository has 2 GitHub stars. Slack is listed across 2 registries — Official MCP and Glama, with 13 tracked versions. It was first listed on Aug 18, 2026 and most recently updated on Oct 8, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What Slack can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using Slack
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
- SLACK_MCP_XOXC_TOKEN · optional
- SLACK_MCP_XOXD_TOKEN · optional
Connect Slack and confirm it works
claude mcp add slack-mcp -e "SLACK_MCP_XOXC_TOKEN=<your SLACK_MCP_XOXC_TOKEN>" -e "SLACK_MCP_XOXD_TOKEN=<your SLACK_MCP_XOXD_TOKEN>" -- npx -y @aaronsb/slack-mcpReplace each placeholder with your own value before saving.
[mcp_servers.slack-mcp]
command = "npx"
args = ["-y", "@aaronsb/slack-mcp"]
[mcp_servers.slack-mcp.env]
SLACK_MCP_XOXC_TOKEN = "<your SLACK_MCP_XOXC_TOKEN>"
SLACK_MCP_XOXD_TOKEN = "<your SLACK_MCP_XOXD_TOKEN>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"slack-mcp": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
],
"env": {
"SLACK_MCP_XOXC_TOKEN": "<your SLACK_MCP_XOXC_TOKEN>",
"SLACK_MCP_XOXD_TOKEN": "<your SLACK_MCP_XOXD_TOKEN>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"slack-mcp": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
],
"env": {
"SLACK_MCP_XOXC_TOKEN": "<your SLACK_MCP_XOXC_TOKEN>",
"SLACK_MCP_XOXD_TOKEN": "<your SLACK_MCP_XOXD_TOKEN>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"slack-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
],
"env": {
"SLACK_MCP_XOXC_TOKEN": "<your SLACK_MCP_XOXC_TOKEN>",
"SLACK_MCP_XOXD_TOKEN": "<your SLACK_MCP_XOXD_TOKEN>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"slack-mcp": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
],
"env": {
"SLACK_MCP_XOXC_TOKEN": "<your SLACK_MCP_XOXC_TOKEN>",
"SLACK_MCP_XOXD_TOKEN": "<your SLACK_MCP_XOXD_TOKEN>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"slack-mcp": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
],
"env": {
"SLACK_MCP_XOXC_TOKEN": "<your SLACK_MCP_XOXC_TOKEN>",
"SLACK_MCP_XOXD_TOKEN": "<your SLACK_MCP_XOXD_TOKEN>"
}
}
}
}Replace each placeholder with your own value before saving.
After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
When to choose another server
- Semantic Notes Vault MCP#726
- Google Workspace#954
- Jira Cloud#4,740
- Salesforce Cloud#6,811
- Confluence Cloud#12,316
- TeXFlow#21,475
- Obsidian Semantic MCP Server#21,738
- Confluence MCP Server#21,744
- Think Strategies#24,851
- Azure DevOps MCP Server#28,421
- Jira Insights MCP#51,337
- D-Bus MCP Server#54,042
No task-specific alternatives are catalogued for Slackyet; the list above is its publisher's other servers.
What changed, and when this was checked
- First listed
- Aug 18, 2026
- Latest version published
- Oct 8, 2026
- Version history
- 13 versions tracked (below)
- Requirements evidence
- Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Oct 16, 2026
- Official MCP ↗listed since Aug 18, 2026 · still listed
- Glama ↗listed since Aug 18, 2026 · still listed
Do you maintain Slack? to correct or enrich this profile.
Available versions (13)
| Version | Published |
|---|---|
| 2.8.0 | Oct 8, 2026 |
| 2.7.0 | Oct 1, 2026 |
| 2.6.0 | Oct 1, 2026 |
| 2.5.0 | Oct 1, 2026 |
| 2.4.0 | Oct 1, 2026 |
| 2.3.0 | Sep 17, 2026 |
| 2.2.2 | Aug 20, 2026 |
| 2.2.1 | Aug 20, 2026 |
| 2.2.0 | Aug 20, 2026 |
| 2.1.1 | Aug 20, 2026 |
| 2.1.0 | Aug 20, 2026 |
| 2.0.0 | Aug 20, 2026 |
| 1.5.2 | Aug 18, 2026 |
Ranks ahead of 141,275 of 144,396 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.aaronsb%2Fslack-mcp)<a href="https://mcptoplist.com/server/io.github.aaronsb%2Fslack-mcp"><img src="https://mcptoplist.com/badge/io.github.aaronsb%2Fslack-mcp.svg" alt="MCP Toplist: Top 5% of 144,396" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Slack?
- Slack is maintained by aaronsb, which publishes 15 MCP servers (75 total versions) tracked on MCP Toplist.
- Is Slack listed on the Official MCP Registry?
- Yes — Slack is listed on the Official MCP Registry, alongside Glama.
- How many versions does Slack have?
- MCP Toplist tracks 13 versions of Slack, most recently published on Oct 8, 2026.
- Where can I find the source code for Slack?
- The source code for Slack is hosted at github.com/aaronsb/slack-mcp.
Do you run this server?
Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.