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TokenForge — Full-stack LLM token optimization engine
原文语言：英语
仓库 README 来源：README.md
# TokenForge **Full-stack LLM token optimization engine — the best in the world.** The first tool that compresses ALL token sources — code, command output, conversation, JSON, and MCP schemas — with _real_ AST parsing (tree-sitter grammars), semantic diff compression, a built-in MCP server, one-command auto-setup, and lossless reversibility. [](https://www.rust-lang.org/) [](LICENSE) [](https://github.com/Manavarya09/tokenforge/stargazers) [](https://github.com/Manavarya09/tokenforge/commits/main) [](https://www.npmjs.com/package/@masyv/tokenforge) [](LICENSE) ## Why TokenForge? Every existing tool solves one slice of the token problem: - **RTK** — command output only - **lean-ctx** — lossy compression, no reversibility - **claw-compactor** — file content only - **context-pilot** — conversation pruning only **TokenForge is the first full-stack optimizer**: a single Rust binary that handles every token source with content-aware compression, lossless storage, quality measurement, and — uniquely — works as a proper **MCP server** that Claude can call directly. ## Benchmarks (v0.2.0, aggressive) ``` Engine Type Tokens → After Saved% Quality ns/token ────────────────────────────────────────────────────────────────────────────────── code:rust (AST) code:rust 762 549 28.0% 88.0 3124 code:python (AST) code:python 643 521 19.0% 88.0 3333 command_output output 422 18 95.7% 75.0 3016 json_payload json 302 55 81.8% 88.0 3404 mcp_schema mcp_schema 390 149 61.8% 95.0 2686 ``` Real tree-sitter AST parsing — not regex heuristics. ## Architecture ``` ┌─────────────────────────────────────────────────────────┐ │ Claude Code Session │ │ │ │ Tool Call → PostToolUse Hook → TokenForge → Compressed │ │ │ │ │ ┌─────┴─────┐ │ │ │ Engine │ │ │ ├───────────┤ │ │ │ Detect │← Content type │ │ │ Compress │← AST-aware │ │ │ Store │← SQLite+zstd │ │ │ Score │← Quality 0-100│ │ └─────┬─────┘ │ │ │ │ │ ┌───────────────┼───────────────┐ │ │ ▼ ▼ ▼ │ │ Code Compressor Output Compressor JSON │ │ (tree-sitter) (ANSI strip, (schema │ │ 12+ languages dedup, summarize) extract)│ │ │ │ │ │ │ ▼ ▼ ▼ │ │ Conversation MCP Schema Learning │ │ (turn scoring, (tiered: (cross- │ │ recency decay) active/deferred) session) │ └─────────────────────────────────────────────────────────┘ ``` ## Features ### What's New in v0.2.0 - **Real tree-sitter AST grammars** — Rust, Python, JavaScript, TypeScript. Surgical function body folding at exact CST node boundaries. - **MCP server mode** — `tokenforge serve` runs as a proper JSON-RPC MCP server. Claude calls it directly via `claude_desktop_config.json`. - **One-command setup** — `tokenforge setup` auto-configures `~/.claude/settings.json` atomically. - **Semantic diff compression** — Detects when new content is >60% similar to stored content; stores only the diff. - **Built-in benchmarks** — `tokenforge bench` with real metrics: tokens, savings %, quality score, ns/token. ### 5 Compression Engines | Engine | What it does | Typical savings | |--------|-------------|-----------------| | **Code** | AST-aware folding — keeps signatures, types, imports; folds large function bodies | 40-70% | | **Command Output** | Strips ANSI, deduplicates similar lines, summarizes test/compiler output | 50-80% | | **Conversation** | Scores turns by recency + relevance, compresses low-value turns | 30-60% | | **JSON** | Schema extraction + array sampling, depth limiting | 60-90% | | **MCP Schema** | Tiered virtualization — active tools get full schemas, others get names only | 70-95% | ### Intelligence - **Cross-session learning** — Builds project relevance profiles from git history and file access patterns - **Pattern analysis** — Identifies session types (debugging, code review, feature build) and adjusts compression - **Quality scoring** — Measures compression quality 0-100, auto-adjusts aggressiveness - **Per-category budgets** — Allocates token budget across conversation, tool output, code context, and MCP schemas ### Lossless Reversibility Every original is stored in SQLite with zstd compression. Use `tokenforge expand <hash>` to retrieve any original content — nothing is ever lost. ## Installation ### From source (recommended) ```bash git clone https://github.com/Manavarya09/tokenforge.git cd tokenforge ./scripts/build.sh ./scripts/install.sh ``` ### Manual ```bash cd core cargo build --release cp target/release/tokenforge ~/.cargo/bin/ ``` ## Quick Start ### 1. Compress tool output ```bash # Compress a file tokenforge compress src/main.rs --type code --level medium # Compress command output from stdin cargo test 2>&1 | tokenforge compress --type output --level aggressive # Auto-detect content type cat package.json | tokenforge compress ``` ### 2. Set up as Claude Code hook Add to `~/.claude/settings.json`: ```json { "hooks": { "PostToolUse": [ { "command": "~/.tokenforge/compress-output.sh" } ] } } ``` Now every tool output is automatically compressed before entering the context window. ### 3. Monitor compression ```bash # View session stats tokenforge stats # Analyze patterns tokenforge analyze # Check quality tokenforge quality # View as JSON tokenforge stats --json ``` ### 4. Retrieve originals ```bash # Expand compressed content by hash tokenforge expand abc123def456789 ``` ### 5. Configure budgets ```bash # Set total token budget tokenforge budget --set 80000 # View current allocation tokenforge budget --show ``` ### 6. Build project profile ```bash # Learn from current project tokenforge learn --project . ``` ## CLI Reference ``` tokenforge — Full-stack LLM token optimization engine USAGE: tokenforge [OPTIONS] <COMMAND> COMMANDS: compress Compress text/code/output for LLM consumption hook PostToolUse hook mode (reads JSON from stdin) stats Show compression statistics analyze Analyze token usage patterns budget View or set per-category token budgets learn Build project relevance profile quality Show compression quality score expand Expand compressed content by hash serve Run as MCP server over stdio (JSON-RPC 2.0) setup Auto-install PostToolUse hook into ~/.claude/settings.json bench Benchmark all compression engines with real metrics OPTIONS: --json Output as JSON -v, --verbose Verbose logging --db-path SQLite database path [default: ~/.tokenforge/tokenforge.db] -h, --help Print help -V, --version Print version ``` ## MCP Server Mode Add TokenForge as an MCP server so Claude can compress on-demand: **`claude_desktop_config.json`:** ```json { "mcpServers": { "tokenforge": { "command": "tokenforge", "args": ["serve"] } } } ``` Claude now has access to 4 new tools: `tokenforge_compress`, `tokenforge_expand`, `tokenforge_stats`, `tokenforge_bench`. ## One-Command Setup ```bash tokenforge setup # auto-configures ~/.claude/settings.json tokenforge setup --dry-run # preview without writing ``` ## Compression Levels | Level | Code | Output | JSON | Use when | |-------|------|--------|------|----------| | `light` | Keep 100+ line functions | Max 200 lines | Depth 5 | Early in session, exploring | | `medium` | Fold 50+ line functions | Max 80 lines | Depth 3 | Normal development | | `aggressive` | Fold 20+ line functions | Max 30 lines | Depth 2 | Context pressure, debugging | ## MCP Tools TokenForge exposes 4 MCP tools for programmatic access: - `tokenforge_stats` — Compression statistics - `tokenforge_expand` — Retrieve original content by hash - `tokenforge_budget` — View/set token budgets - `tokenforge_expand_tool` — Retrieve full MCP tool schema ## Performance - **< 5ms** for small outputs (< 1KB) - **< 50ms** for large outputs (> 100KB) - **< 15MB** binary size (release, stripped, LTO) - **Zero runtime dependencies** — single static binary ## Tech Stack - **Rust** — Zero-cost abstractions, no GC pauses in the hot path - **tree-sitter** — Industrial-grade AST parsing for 12+ languages - **SQLite** (rusqlite, bundled) — Full-fidelity state persistence - **zstd** — Fast compression for stored originals - **tiktoken** (cl100k_base) — Accurate OpenAI-compatible token counting - **blake3** — Fast content hashing for deduplication ## License MIT --- Built by [@masyv](https://github.com/Manavarya09) as a Claude Code plugin.