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.
Not given
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
Automatic screenshot and DOM capture
AI-powered feedback triage
MCP and CLI integration for coding agents
Works with Claude Code, Cursor, Windsurf, and Codex
Real-time feedback board with progress tracking
User notifications when fixes deploy
Private boards and custom domains on paid plans
Third-party integrations
Bring Your Own Key (BYOK) on all plans
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
Closes the gap between fast AI coding and understanding real user needs
Captures context that prevents silent churn
One-command setup with no configuration needed
Brings user testing into the product without dedicated QA
Turns scattered user requests into obvious product priorities
RailCall
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