What is constellation?
constellation is a Claude Code mod by ShiftinBits that upgrade Claude from text search to code understanding. It is listed under Interface and has 2 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | ShiftinBits |
| Repository | ShiftinBits/constellation-claude |
| Popularity | 2 GitHub stars |
| Category | Interface |
| Security | High risk (52/100) |
| Rank | #1,397 of 5,272 Claude Code mods; #550 in Interface |
| License | AGPL-3.0 |
| Last commit | 2026-10-17 |
| Hooks | 14 events |
| Sees | /"^(Edit|Write|MultiEdit|NotebookEdit)$"/ calls, /"^(Grep|Bash)$"/ calls, /"^(Grep|Glob|Bash)$"/ calls, /"^Bash$"/ calls, /"code_intel$"/ calls, Bash calls, classic hooks |
| Draws on | Spinner, Pane, ToolUse|ToolResult, AbovePrompt |
Is constellation safe to install?
constellation scores 52/100 on the MCPMods security check: High risk. Things to review: sends data over the network; starts processes outside the sandbox; writes files or config; reads environment variables. It passed 4 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 processes outside the sandbox | Review |
| Writes files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| 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.every | |
$.clock.now | |
$.clock.sleep | |
$.command.register | |
$.command.run | drives Claude |
$.config.list | |
$.env.get | reads env vars |
$.env.set | sets env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.mcp.call | calls MCP servers |
$.mcp.connect | |
$.process.run | runs processes |
$.process.spawn | |
$.prompt.fill | writes the prompt box |
$.session.cwd | |
$.session.id | |
$.session.surfaces | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.keys | keeps its own state |
$.store.set | keeps its own state |
$.tool.check | |
$.ui.ask | draws interface |
$.ui.close | draws interface |
$.ui.copy | draws interface |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install constellation?
- 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/ShiftinBits/constellation-claude claude plugin validate ./constellation-claude/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add ShiftinBits/constellation-claude && claude plugin install constellation@constellation-plugins
Or ask Claude to set it up
Paste this into Claude Code and it installs constellation for you:
Install the "constellation" Claude Code mod from https://github.com/ShiftinBits/constellation-claude. Run claude plugin validate on it first and show me what it can access before you enable it.