chroma

Manage an open-source embedding database for vector and full-text search.

2|Updated May 22, 2026
One-click install
npx skills add https://github.com/519lab/thoth-agent --skill chroma-519lab
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: chroma
Source: https://github.com/519lab/thoth-agent/tree/main/optional-skills/mlops/chroma
Command: npx skills add https://github.com/519lab/thoth-agent --skill chroma-519lab

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires chromadb, sentence-transformers, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

Chroma resolves the challenge of efficiently storing, searching, and retrieving embeddings and metadata in AI applications. It streamlines tasks such as semantic search, RAG (retrieval-augmented generation), and document retrieval, simplifying the process for developers and researchers.

Core Features & Use Cases

  • Vector Database Management: Store embeddings and metadata, and perform vector and full-text search.
  • Metadata Filtering: Filter by metadata to refine search results.
  • Open-Source Solution: Ideal for local development, open-source projects, and prototyping in notebooks.
  • Semantic Search Over Documents: Facilitate semantic search and information retrieval.
  • Storing Embeddings with Metadata: Maintain rich data sets for enhanced analysis and search capabilities.

Quick Start

Install the skill using pip and start by creating a new collection and adding documents. Then, you can perform queries and leverage the power of Chroma in your projects.

Frequently Asked Questions about chroma

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I store and search embeddings for a RAG application?

Use Chroma to manage an open-source embedding database for RAG applications, enabling efficient storage and retrieval of embeddings and metadata. It supports vector search, full-text search, and metadata filtering, scaling smoothly from notebooks to production.

What is the best way to perform semantic search over documents locally?

An open-source vector database like Chroma provides the best way to perform semantic search over documents locally. It stores document embeddings with metadata and retrieves relevant information efficiently during development and prototyping.

Can I filter search results by metadata in a vector database?

Yes, you can filter search results by metadata in a vector database using Chroma. It supports metadata filtering to refine vector and full-text search results, maintaining rich datasets for enhanced analysis and precise document retrieval.

Do I need sentence-transformers to manage an embedding database?

You need sentence-transformers to generate the embeddings stored in the database. Chroma manages the storage and retrieval of these embeddings and their metadata, relying on sentence-transformers to convert documents into searchable vectors.

Does Chroma support scaling from local prototyping to production?

Yes, Chroma supports scaling from local notebooks to production environments. It is designed as an open-source solution ideal for local development and prototyping, while providing the vector database management needed for production AI applications.

When should I use an open-source vector database instead of other solutions?

Use an open-source vector database like Chroma when you need to streamline semantic search, RAG, and document retrieval in AI applications. It is ideal for local development, open-source projects, and managing embeddings with metadata before scaling to production.