ClaudeSuperPower

output-error-direct-io

Skill

Fix direct I/O in Output SDK workflow functions. Use when workflow hangs, returns undefined, shows "workflow must be deterministic" errors, or when HTTP/API calls are made directly in workflow code.

Install

git clone https://github.com/growthxai/output.git ~/.claude/skills/output-error-direct-io

What is output-error-direct-io?

Fix direct I/O in Output SDK workflow functions. Use when workflow hangs, returns undefined, shows "workflow must be deterministic" errors, or when HTTP/API calls are made directly in workflow code.

What this can do

Capabilities declared in this component's own frontmatter — not inferred.

Run shell commands

Declares Bash

~50 tokens of context used while enabled, before you invoke anything

All declared tools (2)
BashRead

Documentation

README · ~4 min read

Fix Direct I/O in Workflow Functions

Overview

This skill helps diagnose and fix a critical error pattern where I/O operations (HTTP calls, database queries, file operations) are performed directly in workflow functions instead of in steps. This violates Temporal's determinism requirements.

When to Use This Skill

You're seeing:

  • Workflow hangs indefinitely
  • Undefined or empty responses
  • "workflow must be deterministic" errors
  • Network operations failing silently
  • Timeouts without clear cause

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