The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Pipelex
Build AI methods with your coding agent, then run them anywhere: as an MCP for chatbots, as a webapp for people, or via API for your software.
Install
claude plugin install pipelex@pipelex-pluginsInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Turn your expertise into an AI-powered App, MCP or API Describe how the work gets done in plain English, and your coding agent builds it into a method with the Pipelex plugin. A method is a multi-step, deterministic AI procedure that chains LLMs, OCR, image generation and more. Then run it as a webapp for your team or as SaaS for your customers, as an MCP for chatbots, or via API for your software.
<strong>Demo</strong> -
<strong>Documentation</strong> -
<strong>Hub</strong> -
<strong>Discord</strong>
Quick start
Pipelex lets you build AI methods with your coding agent and run them anywhere: as an MCP for chatbots, as a webapp for people, or via API for your software.
1. Sign up at app.pipelex.com.
2. Install the Pipelex plugin in your coding agent. The plugin gives your agent the skills that build methods, run them and put them in your software, a hook that checks every edit, and the Pipelex tools.
Claude Code
claude plugin marketplace add Pipelex/pipelex-plugins
claude plugin install pipelex@pipelex-plugins
Claude Code asks for an API key when you enable the plugin, and stores it in your OS keychain — create one in your console at app.pipelex.com. The skills, the hook that checks every edit and the Pipelex tools load with it. The plugin's hook and the Pipelex tools run on Node.js, so you need Node.js on your PATH.
Claude Code also loads what you have added to your Claude account, so if you added the Pipelex MCP to Claude, Claude Code has it too. An agent with the plugin does not need the Pipelex MCP, and there is nothing to turn off: when both are present, the Pipelex MCP defers to the plugin's tools.
Codex
codex plugin marketplace add Pipelex/pipelex-plugins
export PIPELEX_API_KEY=plx_sk_... # create one in your console at app.pipelex.com
Restart Codex, run /plugins to install pipelex, and trust the plugin hook on first run. Requires Codex 0.141 or later. The plugin's hook and the Pipelex tools run on Node.js, so you need Node.js on your PATH.
3. Ask your agent for the method you want.
Design a method that reads an invoice PDF and returns the supplier, the total and the line items. Then run it on
~/Downloads/invoice.pdfand save it to my Pipelex account.
/pipelex-design writes the method, the hook checks it on every edit, /pipelex-run starts it and prints a run id you can come back to, and /pipelex-catalog saves it to your account, where your chatbot can run it too.
Run your methods from your chatbot. The Pipelex MCP is a connector for your chatbot (ChatGPT, Claude): it gives it access to the Pipelex service, so it can list the methods saved in your account and run them right in the conversation. Your methods become your chatbot's tools. To build a method, use the Pipelex plugin in a coding agent such as Claude Code or Codex, as in steps 2 and 3 above.
Add the Pipelex MCP in your chatbot's settings by the address below — in Claude, that is Add custom connector — then sign in with your Pipelex account when asked. Nothing to install and no key: the Pipelex MCP runs on your signed-in session.
https://mcp.pipelex.com/mcp
Then ask your chatbot:
What methods do I have?
Run the invoice method on https://raw.githubusercontent.com/Pipelex/pipelex-cookbook/main/assets/extract_proof_of_purchase/restaurant_invoice.pdf
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