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FlowCoder: Visual Agent Workflows
Build custom, automated coding workflows for Claude Code and Codex using a visual flowchart builder supporting loops, branching, and variables.
Long-time vibe coders encounter certain repeated frustrations with our favorite coding agents: they can fail to properly follow complex prompts, they often require repetitive prompting patterns, and their autonomous capabilities on long time scales (e.g. overnight) are limited. FlowCoder is an app designed to address these problems, allowing the user to create and execute custom automated workflows for Claude Code and Codex via a visual flowchart builder. This project aims to both help vibe coders scale their results and enable autonomous agent research by building on top of existing coding agents. FlowCoder’s flowchart-based workflows are primarily directed graphs of prompts for agents, bash commands, and calls to execute other flowcharts. These directed graphs can contain branches and cycles, supporting both while-loop and for-loop paradigms, enabling powerful autonomous behaviors. These flowcharts support a number of programmatic features, including variable handling, branching based on boolean expressions, a stack of flowchart commands each with its own variable scope, and argument substitution. Git integration is built-in, with automatic git snapshots after each flowchart block. FlowCoder builds off existing coding agents rather than raw LLM APIs, allowing it to take advantage of intelligent behaviors already encoded in to Claude Code and Codex.