experiment-tracker vs growthbook
experiment-tracker is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
experiment-tracker is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. 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 2026-10-23. 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 |  growthbook | |
|---|---|---|
| Community marketplace barnburner121/claude-plugin-marketplace | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen |
Not listed |
| Claude Code: claude-plugins-official | Not listed | Listed Version: 2.0.0 Forks (GitHub): 4 Stars (GitHub): 25 Not marked · First seen |
| Claude: knowledge-work-plugins | Not listed | Listed Version: 2.0.0 Forks (GitHub): 4 Stars (GitHub): 25 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 | experiment-trackerno longer listed · | growthbook |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 3 |
| Stars (GitHub) (differs) | 3 | 25 |
| Forks (GitHub) (differs) | 0 | 4 |
| Last release (differs) | Not published | 2026-10-16 |
| Where it runs (differs) | On your machine (@barnburner121/plugin-hub-mcp) | 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) | 2 | 4 |
| Licence | MIT | MIT |
| Repository (differs) | github.com/barnburner121/claude-plugin-marketplace | github.com/growthbook/skills |
| Changes in the last 7 days (differs) | 2 | 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 experiment-tracker
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Skills for tracing, evaluating, and improving AI agents with MLflow. Supports the full agent improvement loop: instrument → trace → evaluate → iterate → validate.
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ML model training pipelines, hyperparameter tuning, model deployment automation, experiment tracking, and MLOps workflows
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ML model training pipelines, hyperparameter tuning, model deployment automation, experiment tracking, and MLOps workflows
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Agent skills for CMF — instrument ML pipelines, track artifacts, sync metadata, and query lineage
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mlflow io.github.us-all/mlflow
MLflow MCP — experiments, runs, registered models, versions, traces, assessments (MLflow 3)
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Autonomous experiment loops on any codebase — one file, one metric, one loop. An agent edits a constrained file, runs an eval, keeps improvements, reverts failures, and repeats…
What each says it does
experiment-tracker
Generate ML experiment tracking with MLflow
growthbook
A suite of agent skills for the full GrowthBook feature flag and experimentation lifecycle.
How to run each
experiment-tracker
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
growthbook 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: experiment-tracker · What it can do: growthbook · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. 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. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.