# amitte/slack-tools

> Slack helper for an agent — search_messages, list_channels, get_user (read-only), and a guarded post_message that only writes to allowlisted channels.

## Identity

- **Type:** mcp-server
- **Version:** 0.1.0
- **Trust tier:** official
- **License:** Apache-2.0
- **Authors:** Amitte Maintainers
- **Repo / bundle:** amitte/showcase
- **Canonical URL:** https://amitte.com/s/amitte/slack-tools

## Tags

- **Capabilities:** search-messages, channels-list, post-message, user-read
- **Domains:** communication, productivity

## Evaluation

- **Adversarial score:** 92/100
- **Content score:** 85/100

## Endpoints

- **service-backed** `slack-tools` → https://mcp.amitte.com/v1/slack-tools/sse — Remote MCP server fronting Slack via a workspace bot token. Posting is gated by an explicit channel allowlist. Compatible with Claude Desktop, Cursor, VS Code.
  - tool: `search_messages` — Read-only. Search messages the bot can see using Slack's search.messages API. Requires a user token; see auth notes.
  - tool: `list_channels` — Read-only. List channels the bot is in. Filterable by type.
  - tool: `post_message` — WARNING: mutating. Post a message via `chat.postMessage`. The target channel id must appear in the per-tenant allowlist; otherwise the call is rejected.
  - tool: `get_user` — Read-only. Look up a user's profile (display name, real name, status). Email is omitted.

## Programmatic access

- Fetch JSON-RPC: `POST https://registry.amitte.com/rpc` with `{ "method": "fetch", "params": { "id": "amitte/slack-tools" } }`
- Install via CLI: `amitte install amitte/slack-tools`
- HTML page: https://amitte.com/s/amitte/slack-tools

Last updated: 2026-06-27T00:12:25.465Z