CoreCoder AI Agent
by he-yufengMinimal AI coding agent (~1,000 lines of Python) inspired by Claude Code. Works with any LLM. Think NanoGPT for coding agents. Formerly NanoCoder.
CoreCoder is an open-source ai agent by he-yufeng, written mainly in Python, with 1,882 GitHub stars and the MIT license. Its code was last updated Oct 19, 2026.
Scan summary: scanned Nov 5, 2026 at commit 4015af9. Seen able to run shell commands. Scan policy
What CoreCoder can touch
- Seen in this scan, either in the code or while it ran.Run shell commandsFound in the code by our scan
- Our checks did not find this. The tool may still do it.Run dynamic codeNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or write filesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read environment and secretsNot seen in this scan
- Our checks did not find this. The tool may still do it.Control a web browserNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to databasesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or send messagesNot seen in this scan
- Our checks did not find this. The tool may still do it.Touch money or tradingNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to the internetNot run in this scan
"Not seen" means our checks did not find it, and the tool may still do it. Covers commit 4015af9, Nov 5, 2026. See the scan policy.
Before you install CoreCoder
AgenticMart scanned CoreCoder on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What it can access
- An AI agent decides its own next steps and calls whatever tools you give it, so its risk depends on the access you grant.
Before you install
- Pin the version you reviewed instead of always installing the latest release.
- Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
- Maintained by he-yufeng on GitHub, 1,882 stars and 458 forks. Popularity is not proof of safety.
- Last code change: Oct 19, 2026.
- Open-source license: MIT.
CoreCoder is an open-source ai agent by he-yufeng, written mainly in Python. Minimal AI coding agent (~1,000 lines of Python) inspired by Claude Code. Works with any LLM. Think NanoGPT for coding agents. Formerly NanoCoder.
At a glance
- Stars
- 1.9k
- Forks
- 458
- Language
- Python
- License
- MIT
- Created
- Apr 2026
- Last update
- Oct 19, 2026
- Type
- AI Agent
- Price
- Free
Topics
Questions about CoreCoder
What is CoreCoder?
Minimal AI coding agent (~1,000 lines of Python) inspired by Claude Code. Works with any LLM. Think NanoGPT for coding agents. Formerly NanoCoder.
Who maintains CoreCoder?
CoreCoder is maintained by he-yufeng on GitHub (he-yufeng/CoreCoder). AgenticMart lists it from public repository data.
Is CoreCoder safe to use?
AgenticMart scanned CoreCoder on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What license does CoreCoder use?
It is published under the MIT license.
CoreCoder alternatives
View more →Similar ai agents in Coding Agents, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| CoreCoder (this page) he-yufeng | 1.9k | MIT | Oct 19, 2026 | Scanned, no flagged issues |
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