Canner Wren engine by Canner
The open context engine for AI agents support 15+ data sources. Built on Rust and Apache DataFusion.
About Canner Wren engine
From the project's README at github.com/Canner/wren-engine. Lightly cleaned for readability; for the full source see the upstream repo.
> Wren Engine is the open foundation behind Wren AI: a semantic, governed, agent-ready context layer for business data.
https://github.com/user-attachments/assets/037f2317-d8e5-41f2-9563-1e0bce4ef50c Why Wren Engine
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 661 | github.com/Canner/wren-engine |
| GitHub forks | 197 | github.com/Canner/wren-engine |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 4.0 years | since May 2022 |
| Last commit | 2 days ago | May 5, 2026 |
| Releases shipped | 100 | last: 7 days ago |
| Security policy | SECURITY.md | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
What people say on Hacker News
- The open context engine for AI agents
- Ask HN: How are PMs keeping up with AI-accelerated engineering output?
- Stop resetting your product philosophy every quarter
- Show HN: Data Axolotl – Monitor analytic data without writing individual tests
- Ask HN: Tool that interviews engineers to capture project knowledge
Ready to self-host Canner Wren engine?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
Similar open-source projects
Projects in our directory that replace the same SaaS or share topics with Canner Wren engine.