chroma

Store and retrieve document embeddings with metadata-filtered similarity search.

Updated May 5, 2026
One-click install
npx skills add https://github.com/Z43L/zeus-agent --skill chroma-z43l
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: chroma
Source: https://github.com/Z43L/zeus-agent/tree/main/optional-skills/mlops/chroma
Command: npx skills add https://github.com/Z43L/zeus-agent --skill chroma-z43l

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Chroma helps you turn documents into embeddings so you can retrieve the most relevant content instead of scanning indexes or keyword matching manually.

Core Features & Use Cases

  • Vector storage for embeddings: Store embeddings alongside document text and metadata for semantic retrieval.
  • Similarity search with metadata filtering: Query by meaning and narrow results using metadata (e.g., source, category, difficulty).
  • Flexible persistence and integrations: Persist locally and integrate with LangChain and LlamaIndex for end-to-end RAG pipelines.

Quick Start

Create a Chroma persistent collection, add documents with metadata, then query by a natural-language question to get the top matching texts.

Frequently Asked Questions about chroma

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

FAQPage Schema
How do I build a self-hosted vector database for semantic search?

To build a self-hosted vector database for semantic search, you can use Chroma to store document embeddings alongside text and metadata, then query by meaning to retrieve the most relevant content instead of scanning indexes manually.

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

Yes, you can filter semantic search results by metadata in a local vector database. Chroma supports querying by meaning and narrowing results using metadata filters such as source, category, or difficulty.

Does Chroma work with LangChain and LlamaIndex for RAG workflows?

Chroma works with LangChain and LlamaIndex for RAG workflows. It provides a persistent vector database interface that integrates with these frameworks to support end-to-end retrieval-augmented generation pipelines.

What's the best way to store and retrieve document embeddings locally?

The best way to store and retrieve document embeddings locally is using a persistent vector database interface like Chroma. It supports adding documents, querying with similarity scores, and applying metadata filters across notebooks and production services.

Does a self-hosted vector database support server mode for networked access?

A self-hosted vector database like Chroma supports optional server mode for networked access. This allows you to query stored embeddings and retrieve documents across notebooks and production services remotely.