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
| Marketplace | ||
|---|---|---|
| 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
| Fact | slack-waterlineno longer listed · | MCP Slack |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) (differs) | 0 | 2 |
| Forks (GitHub) | 0 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (mcp-slack-crunchtools) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 1 | Not a bundle |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/chanmeng666/slack-waterline-skill | github.com/crunchtools/mcp-slack |
| Changes in the last 7 days (differs) | 4 | 0 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
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.
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Work with Slack using the configured Slack integration.
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Slack workspace integration MCP server - create channels, invite users, post messages, manage threads for team collaboration
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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…
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MCP server specialized in retrieving information from Slack messages and threads
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Read and write Slack with session tokens — no OAuth, no bot, no admin approval.
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Slack integration for searching messages, sending communications, managing canvases, and more
What each says it does
slack-waterline
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
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 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.