cube-js/cube ships both files, and they share 9 of the 20 section tags.
The first runs 781 words and the second runs 1,103. Every list below is set membership over what the nightly stored for each file, never a re-reading of the text.
Everything indexed in cube-js/cubeCounted 13 September 2026
Headings
9 in both, 21 only in the first, 26 only in the second
CLAUDE.md
Build all packages
Run TypeScript compilation across all packages
Watch mode for TypeScript compilation
Clean build artifacts
Run linting across all packages
Fix linting issues
Lint package.json files
Run tests (most packages have individual test commands)
Test individual packages
Documentation Development
Monorepo Structure
Package Management
Testing Approach
Unit Tests
Integration Tests
Test Commands
Individual package testing
Driver integration tests (requires Docker)
Development Workflow
Git
Common File Patterns
rust/cubesql/CLAUDE.md
Prerequisites
Install required Rust toolchain (1.90.0)
Install snapshot testing tool
Build all workspace members
Build release version
Format code
Run linting (note: many clippy rules are disabled)
Running CubeSQL Server
Run with required environment variables
Connect via PostgreSQL client
Run all unit tests
Run specific test module
Run integration tests (requires Cube.js instance)
Review snapshot test changes
Run benchmarks
Query Processing Pipeline
Important Implementation Details
Common Development Tasks
Adding New SQL Support
Rewrite rules: never traverse a list recursively
Debugging Query Compilation
Enable detailed logging
Check rewrite traces in logs
Look for "Rewrite" entries showing transformation steps
Working with Snapshots
After making changes that affect SQL compilation
In both files
CLAUDE.md
Repository Overview
Development Commands
Core Build Commands
Testing Commands
Architecture Overview
Key Components
Important Notes
Key Dependencies
Commands
0 in both, 10 only in the first, 12 only in the second
CLAUDE.md
yarn build
yarn tsc
yarn tsc:watch
yarn clean
yarn lint
yarn lint:fix
yarn lint:npm
yarn test
yarn dev
jest.config.js
rust/cubesql/CLAUDE.md
cargo install cargo-insta
cargo build
cargo build --release
cargo fmt
cargo clippy
cargo run --bin cubesqld
cargo test
cargo test test_introspection
cargo test test_udfs
cargo test --test e2e
cargo insta review
cargo bench
Section tags
9 in both, 2 only in the first, 4 only in the second
CLAUDE.md
types
docs
rust/cubesql/CLAUDE.md
setup
database
deployment
do-not
In both files
build
test
lint-format
code-style
architecture
git-pr
dependencies
monorepo
agent-behaviour