# slack-mcp

> slack-mcp — lesterajohn-slack-mcp. Use this tool when you need to integrate Slack functionality into your workflow, enabling automation of tasks such as listing conversations, reading message history, or posting messages. It solves problems related to Slack API management by providing a simplified interface to perform various Slack Web API operations. The tool accepts API method calls as input and returns the corresponding results, making it ideal for automating Slack-related tasks in a variety of contexts.

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

## Description

MCP server that exposes Slack Web API operations as tools, enabling users to list conversations, read history, post messages, and call any Slack Web API method.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/b6ae43lecf)
- **Repository:** <https://github.com/LesterAJohn/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": "lesterajohn-slack-mcp"
    }
  }
}
```

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