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Top 23 Rust Agent Projects
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Stand up a semantic layer that connects to your warehouse and exposes metrics over MCP. Open-source engines like Cube connect to BigQuery, Snowflake, Redshift, Databricks, PostgreSQL (including Supabase, Neon, and RDS), and DuckDB (including MotherDuck). You configure your warehouse connection in a config file or pass credentials via environment variables.
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screenpipe
YC (S26) | Record your screen 24/7 and plug into your agents. Local, private, secure. Connect to OpenClaw, Hermes agent and 100+ apps
Project mention: Dev log #6 Networking Deep Dives and Scaling Docs: My 30k Line Week in OSS | dev.to | 2026-07-07On the AI front, I’ve been working on screenpipe. I’m really excited about the Model Context Protocol (MCP) work I’m doing there. In PR #3072, I’m building out a structured output format specifically for AI consumption. The goal is to make the data coming out of screenpipe easily "digestible" for LLMs without a ton of brittle parsing logic. It’s still open, but the foundation is solid.
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Project mention: Motia: Unified back end framework with observability and state management | news.ycombinator.com | 2026-02-08
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Project mention: Microsandbox – local-first programmable micro VMs | news.ycombinator.com | 2026-06-06
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Project mention: Implementing RFC 8693 Token Exchange in AgentGateway: A Complete Tutorial | dev.to | 2026-07-13
Compare this to the alternative extAuthz + CEL approach which requires ~40 lines of hand-written CEL expressions to achieve the same result. The built-in policy is the recommended approach.
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Project mention: Building an instant virtual filesystem for Mintlify's Assistant | news.ycombinator.com | 2026-04-03
https://github.com/tursodatabase/agentfs
Which sounds like a great idea, except that is uses NFS instead of FUSE (note that macFUSE now has a FSKit backend so FUSE seems like the best solution for both Mac and Linux).
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Project mention: Show HN: MIT License Rust Accessibility-Based Computer Use SDK+mcp | news.ycombinator.com | 2025-08-07
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Project mention: Show HN: Ask your LLM traces what went wrong (vLLora) | news.ycombinator.com | 2026-01-26
Hi HN,
We built Lucy, a trace-debugging tool inside vLLora (our open-source LLM observability stack).
The problem: Debugging AI agents is painful. A single failure often hides inside a trace with 200+ spans—tool calls, retries, partial outputs, and silent failures. Even with tracing, finding the actual root cause (e.g. a tool schema mismatch or a contradictory system prompt) usually means manually scanning logs for 20+ minutes.
What Lucy does: Lucy lets you query your traces using natural language. You can ask things like “Why did this agent loop?” or “Which step was slow?” and it inspects the span tree to surface likely causes. For example, it can flag:
- Tool schema mismatches (e.g. hallucinated or invalid arguments)
- Prompt contradictions (e.g. system instruction conflicts with user intent)
- Silent failures (e.g. context truncation or max-token exits)
It’s early and still in beta.
We’d love to hear how you’re debugging agent failures today—logs, replay, evals, custom scripts, or something else.
Link to Repo: https://github.com/vllora/vllora
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Full write up on all the things in this release at our blog and on github.
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AutoAgents
A multi-agent framework written in Rust that enables you to build, deploy, and coordinate multiple intelligent agents (by liquidos-ai)
Project mention: Show HN: Running AI agents across environments needs a proper solution | news.ycombinator.com | 2026-03-24 -
flow-like
Flow-Like: Strongly Typed Enterprise Scale Workflows. Built for scalability, speed, seamless AI integration and rich customization.
Project mention: Flow-Like – Local-first workflow automation with WASM nodes (Rust) | news.ycombinator.com | 2026-04-02 -
rs-graph-llm
High-performance framework for building interactive workflow systems in Rust. Designed for complex workflows and multi-agent systems
Project mention: Show HN: Graph-flow – LangGraph-inspired AI agent workflows in Rust | news.ycombinator.com | 2026-04-27 -
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one-agent-one-browser
One from scratch browser built by one human and one agent, working hand in hand
Project mention: Every minute you aren't running 69 agents, you are falling behind | news.ycombinator.com | 2026-03-11Engineers are running 8 instances of Claude Code at once. That doesn't mean they are completing work 8x faster.
If you must hold the context for 8 agents in your head at once, your expertise as an engineer is wasted.
See https://emsh.cat/one-human-one-agent-one-browser/ - One man + one agent in 72 hours, did better than thousands of agents over weeks.
Staying focused on one or two important tasks still works. You won't fall behind.
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decapod
Repo-native governance kernel that turns natural-language intent into enriched context, bounded execution, and proof-backed work across looping AI agent fleets. 🦀
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krABMaga
krABMaga: A modern developing art for reliable and efficient Agent-based Model (ABM) simulation with the Rust language
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Project mention: Absolutly fastest virtual bash engine for you AI have a new site | news.ycombinator.com | 2026-06-19
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ratel
Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB. (by ratel-ai)
Project mention: Show HN: Ratel, give agents unlimited tools and skills without context bloat | news.ycombinator.com | 2026-07-16 -
Project mention: Show HN: Reviving a 20-year-old puzzle game Chromatron with Ghidra and AI | news.ycombinator.com | 2026-03-07
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Rust Agents discussion
Rust Agents related posts
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Implementing RFC 8693 Token Exchange in AgentGateway: A Complete Tutorial
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CubeSandbox
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I Built a Personal Intelligence System That Curates GitHub and News for Me — Here's How It Works
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Absolutly fastest virtual bash engine for you AI have a new site
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Frona v2026.6.0 – self-hosted personal AI assistant
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I Contributed to Chroma's Open-Source Docs — Here's What I Changed and What I Learned
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Microsandbox – local-first programmable micro VMs
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A note from our sponsor - SaaSHub
www.saashub.com | 20 Jul 2026
Index
What are some of the best open-source Agent projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | chroma | 28,808 |
| 2 | code | 21,129 |
| 3 | cube.js | 20,445 |
| 4 | screenpipe | 20,295 |
| 5 | iii | 18,462 |
| 6 | microsandbox | 6,962 |
| 7 | agentgateway | 3,926 |
| 8 | agentfs | 3,274 |
| 9 | terminator | 1,557 |
| 10 | chidori | 1,358 |
| 11 | vllora | 810 |
| 12 | swiftide | 719 |
| 13 | AutoAgents | 712 |
| 14 | flow-like | 622 |
| 15 | rs-graph-llm | 350 |
| 16 | kwaak | 331 |
| 17 | one-agent-one-browser | 225 |
| 18 | decapod | 223 |
| 19 | krABMaga | 218 |
| 20 | bashkit | 198 |
| 21 | ratel | 188 |
| 22 | SkyRoads-Codex | 183 |
| 23 | swarms-rs | 172 |
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