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.
Free: Personal memory up to 1,000 records with no time limit. Pro: $5 per month or $50 per year for unlimited personal memory. Team: $10 per month plus $5 per member per month for shared memory and collaboration.
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
Personal and team memory
MCP server with OAuth 2.1 or token authentication
Search by words and by meaning
Record provenance and version history
Conflict detection and resolution
JSON export and import
Project-based organization with hierarchical grouping
Urgent inbox for team notifications
Role-based access control for teams
Works with Claude, ChatGPT, ZCode, Grok and other MCP clients
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
One memory accessible from any AI assistant without re-explanation or chat copying
Separate personal and team memory layers with no automatic sharing
Records show full history and cannot be silently erased or replaced
Search by meaning finds relevant records even with different wording