Advanced4 missions · ~8 hours
Tool Master's Reef
Design tools that Claude actually picks correctly. Learn why description quality beats parameter design, build structured error responses, create MCP-compliant tool servers, and implement dynamic tool registries.
Missions in This Path
1
Tool Description Quality for AI Agents
Why tool descriptions matter more than parameters for agent accuracy.
50 min
Bedrock
2
Structured Error Responses for AI Tools
Build tools with isError and isRetryable structured error signals.
50 min
BedrockLambda
3
Build an MCP Server with JSON-RPC
Create a Model Context Protocol server with JSON-RPC transport.
55 min
Lambda
4
Dynamic Tool Registry with DynamoDB
Build a runtime tool registry that loads tools dynamically from DynamoDB.
60 min
DynamoDBLambda
Complete all missions to earn
Reef Tool Master (Gold)
Verified badge on your public portfolio
Ready to build?
Every mission runs in a safe AWS sandbox. Automated validators check your actual resources. Complete missions show up in your verified portfolio.
Launch Cloud Edventures →