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slack-waterline vs MCP Slack

slack-waterline is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑15.

slack-waterline is a plugin bundle for AI coding tools published by Chan Meng. No marketplace we read lists it any more. MCP Slack is an MCP server published by crunchtools. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-19. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.

Where each is published

Where each is published
Marketplaceslack-waterlineMCP Slack
Community marketplace chanmeng666/slack-waterline-skill Removed on 2026-10-15
Version: 0.1.0
Forks (GitHub): 0
Stars (GitHub): 0
Not marked · First seen
Not listed
Official MCP Registry Not listed Listed
Version: 0.1.2
Downloads/month (PyPI): 423
Downloads/week (PyPI): 223
Forks (GitHub): 0
Stars (GitHub): 2
Not marked · First seen

Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.

The facts side by side

slack-waterline vs MCP Slack
Factslack-waterlineno longer listed · MCP Slack
Marketplaces that list it (differs)01
Stars (GitHub) (differs)02
Forks (GitHub)00
Last releaseNot publishedNot published
Where it runs (differs)Installs as a plugin bundleOn your machine (mcp-slack-crunchtools)
Transport (differs)Not statedstdio
Tools it declaresNot publishedNot published
Environment variables it asks forNot publishedNot published
Parts of the bundle (differs)1Not a bundle
Licence (differs)MITNot stated
Repository (differs)github.com/chanmeng666/slack-waterline-skillgithub.com/crunchtools/mcp-slack
Changes in the last 7 days (differs)40
First seen (differs)2026-10-142026-10-11

Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.

What to use instead of slack-waterline

Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.

  • Slack

    Work with Slack using the configured Slack integration.

    by Slack · Plugin bundle

    Listed on: Codex: openai-curated (openai/plugins) · Describes nearly the same job

  • slack-mcp

    Slack workspace integration MCP server - create channels, invite users, post messages, manage threads for team collaboration

    by 2389-research · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, a

    Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, and triple-mode…

    by adelaidasofia · MCP server

    Listed on: Official MCP Registry, Claude Code: claude-plugins-community · Describes nearly the same job

  • Slack Explorer MCP

    MCP server specialized in retrieving information from Slack messages and threads

    by shibayu36 · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • Slack

    Read and write Slack with session tokens — no OAuth, no bot, no admin approval.

    by aaronsb · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • Slack

    Slack integration for searching messages, sending communications, managing canvases, and more

    by Salesforce · Plugin bundle

    Listed on: Claude: knowledge-work-plugins · Describes nearly the same job

Its card, with similar plugins by marketplace

What each says it does

slack-waterline

In its own words, on Community GitHub marketplaces:

Read every message in a Slack workspace and prove nothing was missed, then write the daily or weekly digest and, when asked, the reply.

MCP Slack

In its own words, on Official MCP Registry:

Secure read-only MCP server for Slack workspaces

How to run each

slack-waterline

No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.

MCP Slack As a local MCP server: PyPI package

Claude Code
claude mcp add --transport stdio slack -- uvx mcp-slack-crunchtools

Commands built only from what the marketplaces declare; the full set for every client is on each card.

Tools each declares

Neither one's marketplaces publish a list of tools, so there is nothing to compare.

Settings each asks for

Neither one's marketplaces publish the settings it asks for.

What it can do: slack-waterline · What it can do: MCP Slack · Compare two other plugins

Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.

Where the data comes from: how the catalog is built