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Optimal context selection for AI coding assistants using QUBO/Ising formulation

Project description

Anneal

Optimal context selection for AI coding assistants. Cooling random context down to exactly what your AI needs.

Anneal reads your codebase's structural graph, formulates "which chunks are optimal?" as a QUBO problem, solves with simulated annealing, and returns the minimum context set for your task.

Quick Start

pip install anneal-context
cd your-project
anneal init          # builds graph from source, writes config

That's it. anneal init parses your codebase using tree-sitter, extracts functions, classes, and import relationships, and writes the graph to .anneal/graph.db. Then point your MCP client at anneal-server and you're ready to go.

How It Works

  1. Build graphanneal init walks your source tree and extracts structural relationships via tree-sitter, supporting 20+ languages (Python, JavaScript, TypeScript, Go, Rust, Java, Ruby, C/C++, and more)
  2. Generate candidates — keyword matching + graph topology identify relevant chunks
  3. Formulate QUBO — minimize token cost, maximize relevance, reward dependency coverage
  4. Solve via simulated annealing — SpinChain engine finds optimal selection
  5. Return results — stability-ranked, dependency-ordered chunks within your token budget

Requirements

  • Python 3.11+

Installation

pip install anneal-context

Or with uv:

uv tool install anneal-context

Setup

Primary: anneal init

cd your-project
anneal init          # builds graph from source, writes config

anneal init uses tree-sitter to parse your codebase directly — no external tools required. It supports 20+ languages including Python, JavaScript, TypeScript, Go, Rust, Java, Ruby, C/C++, C#, Kotlin, Swift, Scala, PHP, and more.

The command:

  • Walks your source files
  • Extracts functions, classes, and import relationships
  • Builds .anneal/graph.db
  • Writes a default .anneal/config.toml

Add .anneal/ to your .gitignore.

Optional: Advanced Graph Sources

If you have code-review-graph or Graphify installed, Anneal merges their graph data alongside the built-in tree-sitter graph. This can provide additional structural signals (e.g., review history from code-review-graph, or Claude-generated summaries from Graphify).

# code-review-graph
npx code-review-graph install

# Graphify (Claude Code)
/plugin marketplace add safishamsi/graphify && /graphify

Configuration

Default config is written by anneal init. You can customize .anneal/config.toml:

[budget]
default_tokens = 5000
strategy = "balanced"   # "minimal" | "balanced" | "thorough"

[solver]
backend = "simulated-annealing"
num_reads = 100
num_sweeps = 1000

MCP Server Setup

Claude Code

Add to .claude/settings.json:

{
  "mcpServers": {
    "anneal": {
      "command": "anneal-server"
    }
  }
}

Gemini CLI

Add to ~/.gemini/settings.json:

{
  "mcpServers": {
    "anneal": {
      "command": "anneal-server"
    }
  }
}

OpenAI Codex CLI

Add to ~/.codex/config.toml:

[[mcp_servers]]
name = "anneal"
command = "anneal-server"

Cursor / VS Code + Copilot / Aider

Any MCP-compatible client: run anneal-server via stdio transport.

Tools

get_optimal_context

Parameters:
  task_description: str     -- what you want to do
  token_budget: int | None  -- max tokens (default: 5000)
  include_files: list[str]  -- always include these paths
  exclude_files: list[str]  -- never include these paths
  strategy: str             -- "balanced" | "minimal" | "thorough"

Returns:
  selected_chunks: list[{path, content, relevance_score, tokens}]
  total_tokens: int
  budget_utilization: float
  stability_score: float
  dependency_graph: dict

get_status

Returns graph source availability, node counts, solver config.

Development

git clone https://github.com/ameyakhot/anneal
cd anneal
uv venv && source .venv/bin/activate
uv pip install -e /path/to/spinchain
uv pip install -e ".[dev]"
python -m pytest tests/ -v

License

MIT

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