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.
Local: free with CLI, SDK, local proxy, and MCP wrapper. Founding Team: $499 per month after a 30-day pilot, including guided setup, hosted approvals, team dashboard, verified ledger sync, and direct support.
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
Exact payload binding and hash verification
Policy engine with Cedar and Rego support
Local enforcement proxy and CLI
Hosted approvals dashboard and team coordination
Verifiable action ledger with audit trail
Model Context Protocol wrapper
Support for GitHub, Slack, Linear, Jira and cloud platforms
Runtime integration with Anthropic, OpenAI and Cursor
Credential-free playground and examples
ActionPass signed authorization artifact
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
Payload approval bound to exact hash, not summary—changes after approval are automatically rejected
Local enforcement with credential-free operation before team coordination layer
30-day pilot model with no long-term commitment required
Open-source ActionPass artifact and verifier for transparency
Adapter-side verification prevents tool execution after payload tampering
RailCall
Axtary