slipstream vs Packkit
slipstream is a plugin bundle for AI coding tools published by devoncarew. Marketplaces we read that list it: 1 (Claude Code: claude-plugins-community). Packkit is an MCP server published by DanMat. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-13. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  slipstream |  Packkit |
|---|---|---|
| Claude Code: claude-plugins-community | Listed Version: 1.6.0 Forks (GitHub): 0 Stars (GitHub): 5 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.2.2 Downloads/month (npm): 584 Downloads/week (npm): 137 Forks (GitHub): 0 Stars (GitHub): 1 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 | slipstream | Packkit |
|---|---|---|
| Marketplaces that list it | 1 | 1 |
| Stars (GitHub) (differs) | 5 (better) | 1 (worse) |
| Forks (GitHub) | 0 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (packkit-mcp) |
| 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) | 5 | Not a bundle |
| Licence (differs) | BSD-3-Clause | Not stated |
| Repository (differs) | github.com/devoncarew/flutter-slipstream | github.com/danmat/create-packkit |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-12 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
slipstream
A tool that makes AI coding agents more effective for Dart and Flutter projects. AI agents working on Dart and Flutter run into two recurring problems. First, their training data has a cutoff — they'll reach for discontinued packages, pin outdated major versions, or produce subtly wrong API signatures that compile only after a correction loop. Second, Flutter development is inherently visual and stateful, and agents have no way to see a running app: they can't observe a layout failure, verify that a state change took effect, or confirm that a navigation worked. This tool addresses both. It adds hooks that catch stale package choices before they land in `pubspec.yaml`, an MCP server that retrieves accurate package API signatures directly from the local pub cache, and a suite of MCP commands for launching, inspecting, and interacting with a running Flutter app.
Packkit
Scaffold modern npm packages, CLIs, services and apps as a native tool for AI agents.
How to run each
slipstream As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-community
/plugin install slipstream@claude-communityPackkit As a local MCP server: npm package
claude mcp add --transport stdio packkit-mcp -- npx -y packkit-mcpCommands 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: slipstream · What it can do: Packkit · Compare two other plugins
Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. 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.