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Compass Code Graph Navigator

Drives the Compass CLI's local code knowledge graph so Claude answers architecture, dependency, and change-impact questions with cited evidence.

Dev & CodingAdvanced★ 162⑂ 8AI score 9/10Last updated: Sep 28, 2026

What it does

  • Bootstraps a local knowledge graph with compass ensure at session start, then answers codebase questions through graph queries instead of broad file reads.
  • Routes each request to the right command: query, ask, search, callers/callees, call-graph, impact, affected, path, explain, architecture, tree, review.
  • Enforces pagination discipline (follow next= cursors to next=none) and verification of decisive claims in real source.
  • Defines the Agent Graph Overlay workflow — revision pinning, prepare → strict batch → apply → audit, plus rebase gates when the Base Graph changes.
  • Classifies operation boundaries (read-only, local publication, networked/credentialed, destructive) so risky commands are never run casually.

Who it's for

  • Developers navigating large or unfamiliar repositories who need architecture maps and call-graph traces.
  • Teams doing PR risk review or refactor blast-radius estimation with traceable evidence.
  • Existing or prospective Compass CLI users.

Examples

  1. "Give me an overview of this repo" → run compass ensure, read the Agent Orientation in GRAPH_REPORT.md, then compass architecture.
  2. "What breaks if I change this function?" → compass affected "<symbol>" --depth N for review scope, verified in source.
  3. "How does module A reach module B?" → compass path "A" "B" for the shortest dependency route.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/crabbuild/compass/HEAD/crates/compass-cli/assets/compass-skill/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the crates/compass-cli/assets/compass-skill folder from the GitHub repo crabbuild/compass into my ~/.claude/skills/compass/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/crabbuild/compass /tmp/compass && mkdir -p ~/.claude/skills && cp -r /tmp/compass/crates/compass-cli/assets/compass-skill ~/.claude/skills/compass

⚠ This is a third-party skill. Check the source repository before installing.

  1. Install the Compass CLI first and confirm compass --help works — the skill is useless without it.
  2. Clone the repository: git clone https://github.com/crabbuild/compass /tmp/compass
  3. Copy the skill folder: mkdir -p ~/.claude/skills && cp -r /tmp/compass/crates/compass-cli/assets/compass-skill ~/.claude/skills/compass
  4. Verify the bundled references/ directory came along with it.
  5. Restart Claude Code, open a project directory, and run /compass --help to confirm the skill is registered.
  6. For a new repo, run compass init then compass update .; optionally keep compass watch . running in a second terminal.
View source on GitHub ↗License: NOASSERTION