# slack-mcp

> Use this tool when you need to integrate Slack data into your application, enabling read-only access to messages, threads, and user information with secure OAuth 2.1 authentication. It solves problems of data retrieval and synchronization, providing outputs such as message content, user lists, and channel information. Ideal for use cases requiring Slack data access, such as analytics, logging, or automation workflows.

Canonical page: https://skillsregistry.net/skills/duolingo-slack-mcp  
JSON: https://api.skillsregistry.net/v1/skills/duolingo-slack-mcp

## Description

Read-only MCP server for Slack with OAuth 2.1 authentication, enabling message retrieval, thread replies, search, user and channel listing.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-08-31

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-08-31

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/xwctzk4ep7)
- **Repository:** <https://github.com/duolingo/slack-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "duolingo-slack-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/duolingo-slack-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/duolingo-slack-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt