Rig
Rust library for LLM applications with agents, tool calling, streaming and 20+ model providers, plus a terminal coding agent.
Harness by Playgrounds
Install
From the package registry. Read the repository before you give any tool access to your data.
cargo add rig-core
Get the weekly diff
The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.
About
Use cases: agent-orchestration, code-generation
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Fact sheet
- Languages
- RustREADME
- Packages
- rig-core (cargo), rig (cargo)README
- Streaming
- YesREADME
- Observability
- OpenTelemetryREADME
- Deploys to
- browser-wasmREADME
- Model providers
- openaiREADME
- Maturity
- Betagithub.com
Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026; reviewed Oct 24, 2026. Wrong fact? Tell us.
Alternatives
Frameworks for the same language with a similar way of orchestrating agents.
- 0.841score
GitHub Copilot SDK
GitHub
Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.
HarnessAFreshness: A★ 10.6K↓ 1.2M/wk - 0.771score
Ax
Ax
DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.
HarnessAFreshness: A★ 3K↓ 27.2K/wk - 0.642score
Swarms
Swarms
Python framework for orchestrating multiple LLM agents in sequential, concurrent, hierarchical and graph-based workflows.
HarnessAFreshness: A★ 7.3K↓ 3.3K/wk - 0.590score
AutoAgents
LiquidOS
Rust multi-agent framework with typed tool calling, sliding-window memory, pluggable LLM backends and OpenTelemetry tracing.
HarnessAFreshness: A★ 765↓ 611/wk - 0.575score
Swiftide
Bosun
Rust framework with an agent harness, typed task graphs and streaming indexing and RAG pipelines for LLM applications.
HarnessAFreshness: A★ 795↓ 188/wk
Compare and alternatives
Signals
- Stars
- 8,963
- Forks
- 994
- Open issues
- 33
- Weekly downloads
- 152,367
- Last commit
- Oct 24, 2026 (2 days ago)
- Last release
- Oct 19, 2026 (7 days ago)
- Last package publish
- Oct 23, 2026 (4 days ago)
From GitHub (fetched Oct 24, 2026) and the package registry.
Details
- Packages
- cargo
rig-corecargorig - License
- MIT
- Repository
- github.com/0xPlaygrounds/rig
- Website
- rig.rs
- Docs
- docs.rs/rig-core
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- READMEDocsgithub-graphql
Cite this page
Rig. Agent Mart. https://agentmart.dev/harnesses/rig (last updated 2026-10-24)