RubyLLM

Ruby AI framework with one API for chat, tools, agents, streaming, embeddings and Rails integration across many providers.

Harness by Carmine Paolino

IndexedMIT★ 4,483

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Install

From the package registry. Read the repository before you give any tool access to your data.

gem install ruby_llm

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About

RubyLLM is a Ruby framework for building AI features through one API across many model providers, including hosted and local ones such as Ollama. It covers chat with streaming, tools with optional human approval, agents, Agent Skills, MCP connectors, structured output, embeddings, and speech, image and video generation. Rails support includes Active Record persistence and Active Storage attachments.

Use cases: agent-orchestration, model-inference

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Fact sheet

Languages: RubyREADME
Packages: ruby_llm (gem)README
Multi-agent: YesREADME
MCP support: Built inREADME
Agent Skills support: Built inREADME
Streaming: YesREADME
Memory: short-term, long-termREADME
Human in the loop: YesREADME
Model providers: ollama, anthropic, googlerubyllm.com
Maturity: Stablegithub.com

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Alternatives

Frameworks for the same language with a similar way of orchestrating agents.

Signals

Stars: 4,483
Forks: 523
Open issues: 14
Last commit: Oct 24, 2026 (7 days ago)
Last release: Oct 11, 2026 (19 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Packages: gem ruby_llm
License: MIT
Repository: github.com/crmne/ruby_llm
Website: rubyllm.com/
Docs: rubyllm.com/
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: README Website Docs github-graphql

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Cite this page

RubyLLM. Agent Mart. https://agentmart.dev/harnesses/rubyllm (last updated 2026-10-24)