Self-hosted multi-agent simulation framework for building autonomous agent civilizations
Stage
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Founded
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Based in
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Pricing model
Freemium
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Pricing
RailCall local runtime: free. RailHub Team: $5 per seat per month. Cloud agents: $5 per trained agent per month. Advanced thinking (overflow): metered against a budget you set, with 500 flows per month included. Storage on hub: $0.25 per GB-month with 5 GB free.
Developer License: $49 USD (one-time) includes Python/FastAPI engine source code, Vite/React observer dashboard, zero-cost mock mode, and single-user research grant. Commercial License: $149 USD (one-time) includes everything in Developer License plus perpetual royalty-free commercial distribution,
Key features
Studio visual workflow builder with 1,000+ nodes
CLI and terminal-first interface
Ed25519-signed tamper-evident receipts
Human approval airlock for all actions
Autonomous agents that run 24/7
Capacity routing across organization machines
MCP integration with 33 tools
Multi-level human approval workflows
Offline receipt verification
Company-wide stop button
Decoupled tick loop with independent tick rate scheduling
SQLite WAL-mode persistence with concurrent reads and zero lock overhead
Multi-generational genealogy and asset transaction logs
Zero-token mock mode for local simulation without API costs
Python/FastAPI backend with Vite/React observer dashboard
Circadian cycles and natural mortality mechanics
Seamless LLM integration with OpenAI, Anthropic, or Ollama
Docker Compose deployment stack for Commercial License
Instant source code delivery with digital license key
What makes it different
Entire local runtime free with MIT license, no login required
Cryptographically signed receipts verifiable offline
80% reduction in AI costs compared to top models
No execution counters or machine count limits
Turnkey engineering for complex simulations without building the loop from scratch
Zero recurring platform subscriptions with direct software licensing
No lock overhead persistence with WAL-mode SQLite for concurrent reads
Local LLM execution without incurring API costs in mock mode
Royalty-free commercial distribution rights with Commercial License