BeClaude

fiftyone

Official PluginGeneralby Anthropic

Build high-quality datasets and computer vision models. Visualize datasets, analyze models, find duplicates, run inference, evaluate predictions, and develop custom plugins.

First seen 4/17/2026

Summary

FiftyOne is an open-source tool for building high-quality datasets and computer vision models.

  • It allows you to visualize datasets, analyze model performance, find and remove duplicates, run inference, evaluate predictions, and develop custom plugins, making it essential for any computer vision workflow.

Install & Usage

1
Add a marketplace
/plugin marketplace add <org/repo>
2
Install the plugin

Add the configuration to /plugin install fiftyone@<marketplace>

3
Manage with /plugin
/plugin

Use Cases

Visualize and explore a dataset of images with ground truth annotations to identify labeling errors.
Compare predictions from multiple models on the same dataset to select the best performing one.
Find and remove duplicate or near-duplicate images from a large dataset to improve training quality.
Run inference using a pre-trained model and evaluate its predictions against ground truth labels.
Develop a custom plugin to add new visualization or analysis capabilities to FiftyOne.
Filter and export a subset of a dataset based on model confidence scores for targeted retraining.

Usage Examples

1

/fiftyone load and visualize my dataset with ground truth labels

2

Find all images where model confidence is below 0.5 and export them for review

3

Compare the predictions of model A and model B on the validation set and show the confusion matrix

View source on GitHub
plugin

Security Audits

LicenseUnknownSourcePassRepositoryPass

Frequently Asked Questions

What is fiftyone?

FiftyOne is an open-source tool for building high-quality datasets and computer vision models. It allows you to visualize datasets, analyze model performance, find and remove duplicates, run inference, evaluate predictions, and develop custom plugins, making it essential for any computer vision workflow.

How to install fiftyone?

To install fiftyone: add a marketplace (/plugin marketplace add <org/repo>), then add the config to /plugin install fiftyone@<marketplace>. Finally, /plugin in Claude Code.

What is fiftyone best for?

fiftyone is a plugin categorized under General. It is designed for: plugin. Created by Anthropic.

What can I use fiftyone for?

fiftyone is useful for: Visualize and explore a dataset of images with ground truth annotations to identify labeling errors.; Compare predictions from multiple models on the same dataset to select the best performing one.; Find and remove duplicate or near-duplicate images from a large dataset to improve training quality.; Run inference using a pre-trained model and evaluate its predictions against ground truth labels.; Develop a custom plugin to add new visualization or analysis capabilities to FiftyOne.; Filter and export a subset of a dataset based on model confidence scores for targeted retraining..