sindri vs growthbook
sindri is a plugin bundle for AI coding tools published by 4KMetrics. Marketplaces we read that list it: 1 (Claude Code: claude-plugins-community). growthbook is a plugin bundle for AI coding tools published by growthbook. Marketplaces we read that list it: 3 (Claude Code: claude-plugins-official, Claude: knowledge-work-plugins, Community GitHub marketplaces). As of our marketplace pass on 2026-10-14. 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 |  sindri |  growthbook |
|---|---|---|
| Claude Code: claude-plugins-community | Listed Version: 0.7.0 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Not listed |
| Claude Code: claude-plugins-official | Not listed | Listed Version: 2.0.0 Forks (GitHub): 4 Stars (GitHub): 23 Not marked · First seen |
| Claude: knowledge-work-plugins | Not listed | Listed Version: 2.0.0 Forks (GitHub): 4 Stars (GitHub): 23 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 | sindri | growthbook |
|---|---|---|
| Marketplaces that list it (differs) | 1 (worse) | 3 (better) |
| Stars (GitHub) (differs) | 0 (worse) | 23 (better) |
| Forks (GitHub) (differs) | 0 (worse) | 4 (better) |
| Last release | Not published | Not published |
| Where it runs | Installs as a plugin bundle | Installs as a plugin bundle |
| Transport | Not stated | Not stated |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 12 | 4 |
| Licence | MIT | MIT |
| Repository (differs) | github.com/4kmetrics/sindri | github.com/growthbook/skills |
| Changes in the last 7 days (differs) | 0 | 2 |
| 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
sindri
Sindri turns a one-line goal like "reduce bundle_bytes by 15%" into an autonomous, overnight experiment loop. It proposes candidates,applies them in fresh subagent contexts, runs your benchmark, keeps the wins as git commits, reverts the losses, and opens a PR with a human-readable log. One commit per kept experiment. Git is the audit log.
growthbook
A suite of agent skills for the full GrowthBook feature flag and experimentation lifecycle.
How to run each
sindri As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-community
/plugin install sindri@claude-communitygrowthbook As a Claude Code plugin
/plugin install growthbook@claude-plugins-officialCommands 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: sindri · What it can do: growthbook · 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 public marketplace file https://github.com/anthropics/claude-plugins-official/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the public marketplace file https://github.com/anthropics/knowledge-work-plugins/blob/HEAD/.claude-plugin/marketplace.json. Data comes from public marketplace files in GitHub repositories of their authors. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.