MCP Skills · he8um bundle professional model context protocol architecture, implementation, audit, security, testing, troubleshooting, and agent handoff guidance. use when designing or reviewing mcp servers, clients, tools, resources, prompts, transports, authorization, capability negotiation, sdk implementations, mcp apps, tasks, registry publishing, deployment, observability, or production hardening; when generating server blueprints, tool manifests, json schemas, code scaffolds, test plans, or implementation-ready prompts; and when diagnosing protocol, transport, auth, schema, compatibility, or runtime failures.