chroma

Stores and retrieves document embeddings with similarity search and metadata filtering.

1|Updated May 16, 2026
One-click install
npx skills add https://github.com/devMoez/titan --skill chroma-devmoez
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: chroma
Source: https://github.com/devMoez/titan/tree/main/optional-skills/mlops/chroma
Command: npx skills add https://github.com/devMoez/titan --skill chroma-devmoez

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Chroma removes the friction of storing and querying embeddings by providing a local, self-hosted database that can perform fast semantic and metadata-filtered retrieval.

Core Features & Use Cases

  • Vector + metadata search: Retrieve relevant documents using similarity while filtering by fields like source, category, page, tags, or difficulty.
  • RAG-ready document retrieval: Store embeddings for chunks of text and use them to ground LLM responses with targeted context.
  • Easy persistence and integrations: Persist to disk and connect to common frameworks (e.g., LangChain, LlamaIndex) for end-to-end retrieval pipelines.

Quick Start

Use the chroma skill to create a local collection, add your documents with optional metadata, and query it for semantically relevant matches.

Frequently Asked Questions about chroma

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

FAQPage Schema
How do I build self-hosted semantic search for my documents?

To build self-hosted semantic search, store document embeddings in a local Chroma vector database to retrieve relevant text using similarity matching and metadata filtering for your RAG systems.

How does metadata filtering work with vector similarity search?

Metadata filtering with vector similarity search retrieves top-k relevant documents by applying where-based constraints to fields like source, category, or tags alongside semantic embedding queries.

Can I use Chroma for local RAG document retrieval?

Yes, you can use Chroma for local RAG document retrieval by storing text chunk embeddings and querying the collection to ground LLM responses with targeted contextual data.

What is the best way to persist embeddings locally for a retrieval pipeline?

The best way to persist embeddings locally is to save your vector database to disk, enabling fast document recall and integration with frameworks like LangChain or LlamaIndex for end-to-end pipelines.

Do I need a dedicated vector database for contextual document filtering?

You need a dedicated vector database like Chroma to handle fast similarity matching and apply where-based metadata constraints across large datasets for accurate contextual filtering.