fainir/most-capable-agent-system-prompt
A copy-paste system prompt that instructs coding agents like Claude Code, Codex, or Cursor to build a self-improving agent system for general computer work.
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The repository provides a single system prompt that turns coding agents such as Claude Code, Codex, or Cursor into builders of a durable, self-improving agent system. The prompt specifies an architecture covering task graphs, verification, file-based memory, evals, governance, and a self-improvement loop. It directs the agent to set up a file-based project operating system and build the system incrementally, either as a harness around the existing agent or as fresh code.
Frequently asked
- What is fainir/most-capable-agent-system-prompt?
- A copy-paste system prompt that instructs coding agents like Claude Code, Codex, or Cursor to build a self-improving agent system for general computer work.
- Is most-capable-agent-system-prompt open source?
- Yes — fainir/most-capable-agent-system-prompt is open source, released under the MIT license.
- How popular is most-capable-agent-system-prompt?
- fainir/most-capable-agent-system-prompt has 878 stars on GitHub.
- Where can I find most-capable-agent-system-prompt?
- fainir/most-capable-agent-system-prompt is on GitHub at https://github.com/fainir/most-capable-agent-system-prompt.