Graft

Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your codebase.

Up to 4× cheaper and 3× faster, with better or no loss of correctness.

Metric	Cold Claude Code	Claude Code with graft
Tool-call reduction	Baseline	+46%
Token savings	Baseline	+42%
Time savings	Baseline	+60%
Correctness	54%	66% (+12 pts)

Efficiency is a 162-run controlled benchmark (same agent, same file tools, only the context differs). Correctness is SWE-bench Verified, graded by the official harness — graft resolved 66% of instances tested against Cold Claude Code's 54%. Efficiency method ↓ · SWE-bench ↓ · Per-repo numbers ↓

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Contents

• Quick start
• The problem
• What Graft does
• Benchmark
• SWE-bench Verified
• How the graph gets built
• Supported languages
• What's in a node
• What runs where
• Agent integration — MCP server · Claude Code (deep integration)
• CLI
• Search & orient (graft grep / graft map)
• Monorepos & multi-repo folders
• Visualize it (graft viz)
• Tested on your popular repos
• Development
• License

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Quick start

npm install -g @nanonets/graft   # install the CLI, once
graft init                       # build the graph + wire it into Claude Code

That is the whole setup. graft init asks which of your coding agents to wire up, builds graft/ from your code, and drops a statusline and hooks into .claude/, so from the next session on Graft rides along in Claude Code: it pulls the matching nodes into each prompt and rebuilds the graph in the background after every turn. No daemon, no re-indexing to remember, nothing to run or maintain by default — the graph is just files.

Nothing is written until you pick. Run graft init --dry-run to see every file it would touch first, or graft init --agents claude to skip the prompt and wire Claude Code alone.

graft build adds graft/ to your .gitignore automatically — the graph is a local, regenerable cache (like node_modules), not something you commit. What you share is the wiring init dropped into .claude/; each teammate runs graft build to generate their own graph:

git add .claude && git commit -m "wire in graft"

Prefer not to install globally? npx @nanonets/graft init works the same way.

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The problem

Every task, your coding agent starts blind. Before it changes anything, it re-explores the repo: grep a term, open a file, follow an import, back out, try again. It is rebuilding a picture of a codebase it mapped an hour ago and threw away. That rediscovery burns most of a run's tool calls, tokens, and latency, and it is pure overhead:

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