# AWS CDK MCP Server (awslabs.cdk-mcp-server) - AgentBreakWatch Reference

> TL;DR Verdict: AWS CDK MCP Server (`awslabs.cdk-mcp-server`) is currently at v1.0.15 on PYPI (published 2026-03-05), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk across 0 releases in the last 90 days. Requires FastMCP / MCP Python SDK v2+ tool schema validation; unpinned uvx awslabs.cdk-mcp-server@latest deployments risk parameter drift across CDKGeneralGuidance and ExplainCDKNagRule.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/awslabs-cdk-mcp
- Category Hub: https://agentbreakwatch.vercel.app/c/aws-labs (AWS Labs Official MCP Servers (awslabs.*) Stability Index)
- Package Name: `awslabs.cdk-mcp-server`
- Registry: PYPI (https://pypi.org/project/awslabs.cdk-mcp-server/)
- GitHub Repository: https://github.com/awslabs/mcp
- Vendor: AWS Labs
- Latest Live Version: v1.0.15
- Published Date: 2026-03-05T19:55:38.222788Z
- 90-Day Release Count: 0
- Direct Dependencies: 5
- License: Apache-2.0
- Stability Score: 86/100 (Grade B+)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `uvx awslabs.cdk-mcp-server@1.0.15`
- Watched Symbols / MCP Tools: CDKGeneralGuidance, ExplainCDKNagRule, SearchGenAICDKConstructs
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
Requires FastMCP / MCP Python SDK v2+ tool schema validation; unpinned uvx awslabs.cdk-mcp-server@latest deployments risk parameter drift across CDKGeneralGuidance and ExplainCDKNagRule.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
"awslabs-cdk-mcp": {
  "command": "uvx",
  "args": ["awslabs.cdk-mcp-server"]
}
```

## Migration Diff: After (Verified v1.0.15 Pattern)
```
"awslabs-cdk-mcp": {
  "command": "uvx",
  "args": ["awslabs.cdk-mcp-server@1.0.15"],
  "env": { "FASTMCP_LOG_LEVEL": "ERROR" }
}
```

## Recent Verified Releases
- v1.0.15 (published 2026-03-05) [LATEST]
- v1.0.14 (published 2026-02-05)
- v1.0.13 (published 2026-01-15)
- v1.0.12 (published 2026-01-09)
- v1.0.11 (published 2025-12-31)
- v1.0.10 (published 2025-12-11)