CastleCastle

ENTERPRISE RESOURCE PLANNING · EST. 2026

Command your business empire.

Single source of truth data management to capture and connect your mission-critical business operations. Built AI-native. Self-customizable interfaces for every employee. Castle protects and manages your data and your API access for your programmatic software suite.

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Make your work art.

01 · ERP

API Access Management

  • KeyVault — a 1Password-backed wrapper
  • Native integrations across your stack
Explore the ERP
02 · LIBRARY

Embedded Library

  • Every invoice, ticket, and doc embedded
  • Saved searches and scheduled reports
Explore the Library

Notion-like interfaces give your business a cohesive, permission-based canvas for designing automations and workflows that run alongside your agents.

Most one-off customizations resolve through your own internal prompts.

Efficiently grow the telemetry and context your execution engine needs, aligned with your stated strategic goals.

Command your business empire
without the vendor sprawl.

Manage vendor sprawl with a unified MCP and interface with Castle programmatic access.

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