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What is the Builder System?

The Builder System is a Claude Code marketplace plugin that gives AI agents the ability to autonomously design, build, modify, and test Codika use cases. Instead of manually writing config.ts files and n8n workflow JSON, you describe what you need in plain language and the agents handle the rest. The system reads the same platform documentation you do, designs the architecture, creates all files, validates them, deploys to the platform, and iteratively fixes any issues — all without requiring you to understand n8n internals or Codika patterns.

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How it works

You describe a business goal
  → use-case-builder reads platform docs, designs architecture
    → n8n-workflow-builder creates each workflow JSON
      → use-case-tester deploys, triggers, inspects, fixes
        → Production-ready use case
The system follows a read-first, build-second approach. Before creating anything, agents read the relevant platform guides (trigger types, credential patterns, integration specifics) to ensure every workflow follows Codika’s mandatory patterns and placeholder conventions.

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The agents

Four specialized agents work together, each handling a different phase of the lifecycle:
AgentWhat it doesWhen to use
use-case-builderCreates new use cases from scratch — designs architecture, creates config.ts, delegates workflow creation”I need an automation that does X”
use-case-modifierModifies existing use cases — reads current state, plans changes, makes targeted edits”Add Slack notifications to this use case”
n8n-workflow-builderBuilds individual n8n workflow JSON files with correct patterns, placeholders, and node positioning”Build a workflow that calls the Tavily API”
use-case-testerTests and debugs through deploy-trigger-inspect-fix loops (max 5 iterations)“Test the invoice-processor and fix any issues”
See Builder Agents for detailed documentation on each agent.

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The discover-codika-guides skill

All agents rely on a bundled skill called discover-codika-guides that ships with the complete Codika platform documentation. This means agents can read the right guides at runtime without needing access to the codika-processes-lib repository. The bundled documentation includes:
  • Core guides — use-case-guide.md, config-patterns.md, codika-nodes.md
  • Trigger-specific guides — HTTP triggers, schedule triggers, third-party triggers, sub-workflows
  • Specialized guides — AI nodes, placeholder patterns, deployment parameters, data ingestion, agent skills
  • 19 integration guides — Anthropic, OpenAI, Google, Microsoft, Slack, Supabase, and more

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Prerequisites

Before using the Builder System:
  1. Install the codika CLI — npm install -g codika
  2. Authenticate — codika login
  3. Install both plugins — follow the Claude Code Plugin guide to add the marketplace and install the codika and use-case-builder plugins

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Architecture

The Builder System is composed of two marketplace plugins that work together:
PluginWhat it provides
codika14 CLI skills — deploy, verify, trigger, fetch, manage integrations, and more
use-case-builder4 builder agents + the discover-codika-guides skill
The builder agents use the codika plugin’s skills for all platform operations. For example, use-case-tester calls codika:deploy-use-case to deploy, codika:trigger-workflow to test, and codika:get-execution to inspect results.

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Next steps

Builder Agents

Understand each agent’s capabilities and when to use them.

Usage Patterns

See common workflows and tips for writing effective prompts.

Reference

Plugin structure, bundled documentation catalog, and troubleshooting.

First Use Case

Prefer building manually? Follow the step-by-step guide.