Agent Plugins Marketplace
← All plugins

slack-by-salesforce

v1.0.0

Official Slack MCP server for interactive and collaborative workflows. Surface insights, draft messages, and engage teams directly within Slack from Claude Cowork.

Claude Code2 Skills1 MCP serverStreamable HTTP

By SalesforceLicense: MIT25.5k GitHub starsUpdated 14 hours ago

Directory evidence

Runtimes
Claude Code
Parsed components
3 skill or MCP entries
Source updated
Sep 23, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install slack-by-salesforce for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install slack-by-salesforce@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/anthropics/knowledge-work-plugins

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is partner-built/slack/.

Plugin files

partner-built/slack/
├── .claude-plugin/plugin.json
├── skills/slack-messaging/SKILL.md
├── skills/slack-search/SKILL.md
└── .mcp.json

Included Skills2

slack-messagingskills/slack-messaging/SKILL.md

Guidance for composing well-formatted, effective Slack messages using mrkdwn syntax

slack-searchskills/slack-search/SKILL.md

Guidance for effectively searching Slack to find messages, files, channels, and people

MCP servers1

slackStreamable HTTP
url
https://mcp.slack.com/mcp

Plugin manifests1

partner-built/slack/.claude-plugin/plugin.json
{
  "name": "slack-by-salesforce",
  "description": "Official Slack MCP server for interactive and collaborative workflows. Surface insights, draft messages, and engage teams directly within Slack from Claude Cowork.",
  "version": "1.0.0",
  "author": {
    "name": "Salesforce",
    "url": "https://slack.com"
  },
  "homepage": "https://github.com/slackapi/slack-mcp-plugin",
  "license": "MIT"
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[slack-by-salesforce on Agent Plugins Marketplace](https://pluginsmp.com/plugins/slack-by-salesforce)