Agent skills for Grok Build

Use when writing Python code for DSGE models, HANK models, numerical economic computation, causal inference, or quantitative economic data…

When to activate: gRPC, protobuf, grpcio, async gRPC, streaming, service definitions, interceptors

MANDATORY FIRST STEP for Shutterstock API Explorer Python SDK work in a Python project — load this BEFORE you write any code; Python SDK…

When to activate: OpenTelemetry, traces, metrics, spans, Prometheus, Grafana, Sentry, APM setup

Master Python from fundamentals to advanced OOP, async programming, and web frameworks.

Facilitates the creation of high-performance Python bindings for Rust cores using PyO3 and idiomatic wrapper patterns.

Python visual creation and matplotlib/seaborn patterns for PBIR reports.

Graph Neural Networks (PyG). Node/graph classification, link prediction, GCN, GAT, GraphSAGE, heterogeneous graphs, molecular property…

PyTorch model training skill with custom training loops, gradient management, and GPU optimization.

QA-test a website or web app and return a 1-5 quality score (5 = flawless, 1 = broken) with evidence.

Verify claims in a session/PR/transcript against on-disk reality.

Browser-based QA combining Chrome MCP control with Python analysis tools.

Internal PostHog developer frontend/browser QA skill.

This skill should be used when the user asks to "design a test strategy", "figure out our testing approach for this feature", "how much…

Generate and execute API and E2E tests with quality gate assessment.

Manages the end-to-end QA ticket lifecycle across Notion intake, GitHub Issue publication, and verified PR delivery.

Guides tenant isolation architecture in Qdrant for multi-tenant or multi-user applications.

Qdrant vector database -- collection management, point operations, payload filtering, named vectors, quantization, recommendations…

Guides Qdrant scaling decisions. Use when someone asks 'how many nodes do I need', 'data doesn't fit on one node', 'need more throughput…

Diagnoses and improves Qdrant search relevance — embedding model choice, hybrid search, reranking, and measuring retrieval quality.

QIIME2 microbiome analysis skill for 16S rRNA profiling and diversity analysis