Changelog
April 6, 2025
v0.3.7We’re excited to launch the Fiberplane Playground for Cloudflare Agents — build, test, and debug AI agents running on Workers and Durable Objects. The playground offers real-time monitoring, detailed introspection of agent state, and full visibility into events like HTTP, WebSocket, and tool calls, making debugging stateful agents faster and more intuitive. Start with the library here.
Read the announcement blog post here.
Features
- State Introspection: Monitor the internal state of your agents
- Message Tracking: View incoming and outgoing messages between agents
- Instance Monitoring: Track each instance of your agents
- Database Inspection: View the state of underlying SQLite database used by the agent
March 5, 2025
v0.4.0We’ve launched the Fiberplane Playground on Val Town! Read the announcement post for more details.
Features
- Two public starter Vals on Val Town for building serverless Hono APIs: one basic, one advanced
- Browser-based API development and testing environment
- Interactive documentation with automatic route discovery
February 20, 2025
v0.2.0We’ve enhanced our OpenAPI support for Hono and the HONC stack! Read the announcement post for more details.
Features
- Automatic OpenAPI 3.0 spec generation for vanilla Hono apps via
createOpenAPISpec - Enhanced enum support with number values in the API Playground
- OpenAPI integration in the HONC stack template with Zod OpenAPI Hono
February 12, 2025
v0.1.0We launched an updated Fiberplane API Playground! Read the announcement post for more details.
Features
- API Playground for Hono. A native interface for exploring and testing Hono service APIs with OpenAPI integration
- Interactive documentation with real-time request testing
- Built-in route discovery via OpenAPI spec
- Keyboard navigation and shortcuts
- Theme switching between light and dark modes
- Authentication header management with request-wide reuse
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