chroma

Store and search vector embeddings with metadata filtering via Python and JavaScript APIs.

Updated Apr 10, 2026
One-click install
npx skills add https://github.com/KarlinskyS/hermesSkills --skill chroma-karlinskys
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: chroma
Source: https://github.com/KarlinskyS/hermesSkills/tree/main/mlops/vector-databases/chroma
Command: npx skills add https://github.com/KarlinskyS/hermesSkills --skill chroma-karlinskys

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Chroma solves the challenge of efficiently storing, indexing, and retrieving vector embeddings for AI applications, eliminating the need for complex database setups in prototyping and development.

Core Features & Use Cases

  • Vector Storage and Search: Add documents with metadata, perform similarity queries, and filter results dynamically.
  • Embedding Integration: Supports custom functions like OpenAI, HuggingFace, and defaults for seamless embedding generation.
  • Use Case: In a RAG system for customer support, store knowledge base documents in Chroma to retrieve relevant snippets for accurate, context-aware responses to user queries.

Quick Start

Use the chroma skill to set up a local vector database, add sample documents with metadata, and query for similar content using a test phrase.

Frequently Asked Questions about chroma

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

FAQPage Schema
How do I store and retrieve vector embeddings for a RAG pipeline?

You can store and retrieve vector embeddings for a RAG pipeline by adding documents with metadata to a vector database and performing similarity queries to fetch relevant context. Chroma supports local or production environments.

What is the best way to perform semantic search over documents with metadata filtering?

Semantic search with metadata filtering is performed by indexing document embeddings and dynamically filtering query results. This allows you to retrieve specific information from large datasets efficiently.

Can I use sentence-transformers to generate embeddings for a self-hosted vector database?

Yes, you can use sentence-transformers to generate embeddings. The system supports custom embedding functions including HuggingFace and OpenAI, allowing seamless integration for self-hosted vector databases.

Does this vector database work with LangChain and LlamaIndex integrations?

Yes, the vector database works with LangChain and LlamaIndex integrations. It provides Python and JavaScript APIs to connect your stored embeddings directly into existing AI frameworks and RAG pipelines.

How do I set up a local vector database for prototyping an AI application?

You can set up a local vector database for prototyping by initializing the system, adding sample documents with metadata, and querying for similar content. This eliminates the need for complex database setups during development.

Are there limitations when using an open-source vector database for production retrieval?

While designed for both local and production environments, using an open-source vector database requires managing your own infrastructure. You must ensure your self-hosted setup scales properly for high-volume metadata-filtered retrieval tasks.