What is archcore?
archcore is a Claude Code mod by archcore-ai that spec-driven development and context engineering for AI coding agents, backed by project context in Git. It is listed under Context & memory and has 69 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | archcore-ai |
| Repository | archcore-ai/archcore |
| Popularity | 69 GitHub stars |
| Category | Context & memory |
| Security | Review before installing (76/100) |
| Rank | #227 of 5,272 Claude Code mods; #22 in Context & memory |
| License | Apache-2.0 |
| Last commit | 2026-10-16 |
| Stars this week | +1 |
| Hooks | 9 events |
| Sees | ? calls, Agent calls, Bash calls, ExitPlanMode calls, Write|Edit|NotebookEdit calls, every prompt, every skill |
| Draws on | AbovePrompt |
Is archcore safe to install?
archcore scores 76/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; watches every prompt or event. It passed 6 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| Sends data over the network | Review |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.sleep | |
$.command.list | |
$.fs.exists | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.mcp.call | calls MCP servers |
$.prompt.suggest | writes the prompt box |
$.session.root | |
$.session.surfaces | |
$.state.get | |
$.state.set | |
$.ui.log | draws interface |
$.ui.resolve | draws interface |
How do I install archcore?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/archcore-ai/archcore claude plugin validate ./archcore/plugins/archcore
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add archcore-ai/archcore && claude plugin install archcore@archcore-plugins
Or ask Claude to set it up
Paste this into Claude Code and it installs archcore for you:
Install the "archcore" Claude Code mod from https://github.com/archcore-ai/archcore/tree/main/plugins/archcore. Run claude plugin validate on it first and show me what it can access before you enable it.