For long-running operations, stream results incrementally with progress reporting. PROACTIVELY activate for: (1) streaming tool results, (2) tool orchestration, (3) cancellation and timeout handling. Triggers: "streaming", "tool orchestration", "progress reporting"
Test JSON-RPC 2.0 protocol compliance and Pydantic schema validation for MCP servers. PROACTIVELY activate for: (1) writing MCP server tests, (2) protocol compliance validation, (3) async tool testing. Triggers: "mcp testing", "protocol compliance", "pytest asyncio"
MCP is built on JSON-RPC 2.0 for bidirectional communication between Claude and servers. PROACTIVELY activate for: (1) understanding MCP protocol structure, (2) JSON-RPC message formats, (3) tool vs resource distinction. Triggers: "mcp protocol", "json-rpc", "model context protocol"
Pydantic V2 models are the single source of truth for MCP tool schemas. PROACTIVELY activate for: (1) defining tool input/output schemas, (2) strict mode validation, (3) JSON schema generation. Triggers: "pydantic schema", "tool schema", "strict mode"
Resources provide read-only context to Claude using URI-based identification. PROACTIVELY activate for: (1) exposing data as MCP resources, (2) URI scheme design, (3) list_resources implementation. Triggers: "mcp resources", "uri patterns", "read_resource"
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npx claudepluginhub agentient/vibekit --plugin mcp-toolsFrontend and backend performance optimization patterns
Multi-expert evaluation patterns for structured analysis, deliberation, and decision-making
Testing, code review, linting, and coverage analysis patterns
[STUB] C4 diagrams, OpenAPI specs, architectural decisions
Research workflow tools: systematic interviewing, research brief design, and multi-source consolidation
MCP server development helper with tool and resource scaffolding
Model Context Protocol Mcp Expert subagent
Manage MCP servers - discover, analyze, execute tools/prompts/resources. Use for MCP integrations, capability discovery, tool filtering, programmatic execution, or encountering context bloat, server configuration, tool execution errors.
Build FastMCP 3.x Python MCP servers — covers provider/transform architecture (including CodeMode, Tool Search, and server-level transforms), component versioning, session state, authorization (MultiAuth, PropelAuth, connection-pooled token verifiers), evaluation creation, Pydantic validation, async patterns, STDIO and HTTP transports, nginx reverse proxy deployment, background tasks, Prefab Apps UI, security patterns, client SDK usage, testing, deployment, and migration from FastMCP v2. TypeScript is a legacy reference only and is not updated for v3.
Comprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.
Develop, test, build, and deploy Godot 4.x games with Claude Code. Includes GdUnit4 testing, web/desktop exports, CI/CD pipelines, and deployment to Vercel/GitHub Pages/itch.io.