chroma

Store embeddings and metadata in a local Chromadb collection.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/wwwillott/jobnimbus --skill chroma-wwwillott
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: chroma
Source: https://github.com/wwwillott/jobnimbus/tree/main/optional-skills/mlops/chroma
Command: npx skills add https://github.com/wwwillott/jobnimbus --skill chroma-wwwillott

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Chromadb provides a local, open-source vector database to store embeddings and metadata and perform fast vector and full-text search for AI applications, enabling offline and private data workflows.

Core Features & Use Cases

  • Store embeddings and metadata with a simple 4-function API (add, get, query, delete)
  • Perform efficient vector similarity search and metadata filtering for RAG and semantic search
  • Integrate with popular tools (LangChain, LlamaIndex) for document retrieval and memory

Quick Start

Initialize a local Chromadb collection and start storing embeddings with metadata for fast semantic search.

Frequently Asked Questions about chroma

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

FAQPage Schema
How do I store embeddings and metadata for local semantic search?

To store embeddings and metadata for local semantic search, you can use an open-source vector database like Chromadb to create local collections. It provides a simple 4-function API to add, query, and delete vector data with metadata filtering.

What is the best way to build a RAG pipeline using a local vector store?

Building a RAG pipeline with a local vector store involves storing document embeddings and metadata in a local collection, then performing fast vector similarity searches to retrieve relevant context. Chromadb supports this workflow with pluggable backends.

Can I use a local embedding database with LangChain and LlamaIndex?

Yes, you can use a local embedding database with LangChain and LlamaIndex. Chromadb integrates with these popular tools to provide document retrieval and memory capabilities for AI applications.

Does an open-source vector database support metadata filtering for document retrieval?

An open-source vector database like Chromadb supports metadata filtering for document retrieval. You can store metadata alongside embeddings and apply filters during your vector similarity searches to refine results.

When do I need a local vector database for AI applications?

You need a local vector database for AI applications when you require offline data workflows and private data storage. Chromadb enables fast vector and full-text search without relying on external or cloud-based services.

How do I delete collections from a local vector store?

To delete collections from a local vector store like Chromadb, you use the provided delete function within its 4-function API. This allows you to manage your local collections and remove stored embeddings and metadata as needed.