Cat Facts JBang Example

A Camel JBang application using YAML DSL that fetches random cat facts, demonstrating integration with the Wanaku Camel Integration Capability plugin.

Overview

This example exposes a Camel route (cat-facts-route) that calls the MeowFacts API to retrieve random cat facts. The route is registered as an MCP tool via the Wanaku plugin.

Prerequisites

• Java 21+
• Camel JBang installed
• Wanaku Router running (for plugin registration)

Configuration

Environment Variables

Variable	Description	Example
REGISTRATION_URL	Wanaku router URL	http://localhost:8080
REGISTRATION_ANNOUNCE_ADDRESS	Address to announce for callbacks	localhost
GRPC_PORT	gRPC server port	9190
SERVICE_NAME	Service name for registration	cat-facts-service
ROUTES_RULES	Path to route rules file	file:///path/to/meow-rules.yaml
CLIENT_ID	OAuth client ID	wanaku-service
CLIENT_SECRET	OAuth client secret	<secret>

Route Rules

The ROUTES_RULES variable accepts:

• File path: file:///path/to/meow-rules.yaml
• Datastore reference: datastore://meow-rules.yaml

Running

Set environment variables

export REGISTRATION_URL=http://localhost:8080
export REGISTRATION_ANNOUNCE_ADDRESS=localhost
export GRPC_PORT=9190
export SERVICE_NAME=cat-facts-jbang-service
export ROUTES_RULES=file://$PWD/config/meow-rules.yaml
export CLIENT_ID=wanaku-service
export CLIENT_SECRET=<secret>

Run with Camel JBang

camel run --dep ai.wanaku.sdk:capabilities-runtime-camel-plugin:0.2.0 cat-facts-route.camel.yaml

MCP Tool

Once registered, the route is exposed as an MCP tool:

Tool	Description	Parameters
cat-facts-route	Retrieve random facts about cats	count (int, required) - number of facts to retrieve