BLA (Blind LLM Agents)
What is BLA (Blind LLM Agents)?
BLA is an open-source command-line tool and MCP server designed to defend software build artifacts against automated artificial intelligence reverse engineering. It analyzes and modifies JavaScript, TypeScript, Electron packages, native binaries, WebAssembly, Python files, SQLite databases, and AI model weights before distribution. The tool operates locally using Node.js and requires no external dependencies.
The system uses three main defense mechanisms. First, it saturates static analysis resource limits by expanding call-graph meshes and triggering admission caps. Second, it replaces core business logic paths with self-consistent shadow state machines and decoy source maps during inspection. Third, it provides a single-command workflow that integrates directly with AI coding assistants like Claude Code, Cursor, and Gemini CLI through an MCP server.
BLA maintains full compatibility with existing applications by preserving one hundred percent of original runtime behavior. It includes bundler plugins for Vite, Webpack, Rollup, and esbuild, allowing developers to add protection steps without changing build pipelines. The project is released under the MIT License.
BLA (Blind LLM Agents) features
- Protects build artifacts from automated AI reverse engineering
- Saturates static analysis resource limits and call-graph budgets
- Replaces real code paths with decoy logic and shadow state machines
- Integrates with AI coding assistants via MCP server protocol
- Supports bundler plugins for Vite, Webpack, Rollup, and esbuild
- Preserves one hundred percent of original application runtime behavior
- Runs locally in Node.js with zero external dependencies
Who uses BLA (Blind LLM Agents) and for what
- Securing distributed JavaScript and TypeScript bundles from AI-powered code analysis
- Hardening Electron desktop applications against automated decompilation and IPC sniffing
- Protecting compiled native binaries including ELF, Mach-O, and PE formats
- Safeguarding machine learning model files such as safetensors and GGUF checkpoints
- Adding automated protection steps to local development workflows using Cursor or Claude Code
BLA (Blind LLM Agents) FAQ
Is BLA free?
Yes, BLA is free to use. It is open source and licensed under the MIT License.
What is BLA used for?
It protects software artifacts like JavaScript, binaries, databases, and AI models against automated AI reverse-engineering workflows while preserving original runtime behavior.
Does BLA work on Mac?
The website does not explicitly list supported operating systems, but it runs locally in Node.js and includes specific protections for Mach-O binaries used on macOS.
Is BLA open source?
Yes, the source code is publicly available on GitHub and the project is distributed under the MIT License.
How do I install BLA?
You can set up the tool using npx bla-agents@latest setup and apply protection to your project directory with npx bla-agents@latest harden .
Does BLA slow down my application?
The website states that BLA preserves one hundred percent of original runtime behavior, meaning it does not alter how the application performs at runtime.
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