Thread Weaving
Orchestrate multiple models in parallel. The main model delegates exploration and execution to specialized slots, then integrates results.
Any Provider
Works with Anthropic, OpenAI, Ollama, LM Studio, or any OpenAI-compatible API. Use CLI subscriptions too — Claude Code, Codex, Gemini CLI.
Tool-aware Routing
Automatically routes file edits to your execute slot, grep/search to explore, and strategy to main. Configurable per tool type.
Plan & Execute
Generate a PRD and task breakdown with /plan. Review, approve, and auto-execute through Forge with optional auto-commit per task.
Iterative Loop
Run tasks repeatedly with /loop until a condition is met. Auto-detects when stuck and suggests new strategies.
Skills & MCP
Auto-discover markdown skill files as slash commands. Connect MCP servers for external tool integration.
Persistent Memory
SQLite-backed sessions with cross-session lessons. Thinking level control (off/low/medium/high) per slot across all providers.
@ Context References
Inject files, directories, git state, or images into prompts with @./file, @git:diff, @dir:src/. Multimodal image support included.
Mid-Stream Injection
Add context while the agent is streaming. The response pauses, your input is injected, and generation resumes with full history.
Subagent Grid
Responsive multi-agent display with status dots, tool-call trees, and per-card stats. Adapts to terminal width automatically.
Plugin SDK
Extend Iron Rain with plugins. Hook into dispatch lifecycle events, modify tasks, and add custom behaviors.
Project Init
Run /init to analyze your codebase — maps repo structure, extracts tech stack and conventions, and stores findings as persistent lessons.
Code Review
Review staged changes or branch diffs with /review. Get structured feedback on bugs, security, performance, and style.
Checkpoints & Undo
Git-based checkpoint system with /undo to restore previous states. Automatic checkpoints during plan execution.
Cost Tracking
Per-model cost registry with configurable input/output token pricing. Track spend across slots and sessions.
Project Rules
Define coding standards in IRON-RAIN.md or .iron-rain/rules/. Rules are injected into every system prompt automatically.
Repo Map
Auto-generated repository map with file structure and extracted symbols. Gives the model structural awareness of your codebase.
Sandbox Execution
Run commands in isolated sandboxes — macOS Seatbelt, Docker, or gVisor. Control network access and write paths.
Fuzzy Commands
Mistype a command? Iron Rain suggests the closest match using Levenshtein distance. /upgade → "Did you mean /update?"
Simple Configuration
{
"slots": {
"main": { "provider": "anthropic", "model": "claude-opus-4-6" },
"explore": { "provider": "ollama", "model": "qwen2.5-coder:32b" },
"execute": { "provider": "openai", "model": "gpt-4o" }
},
"providers": {
"anthropic": { "apiKey": "env:ANTHROPIC_API_KEY" },
"openai": { "apiKey": "env:OPENAI_API_KEY" },
"ollama": { "apiBase": "http://localhost:11434" }
}
}
