Performance

Skill: Magpie Kernel Evaluator

by AMD

New

AMD's official skill for benchmarking vLLM/SGLang inference and driving GPU kernel optimization with Magpie and TraceLens trace analysis.

Skill: k6 Load Test Authoring

by Grafana Labs

Grafana's official k6 skill: generate a load, stress, spike or soak test from a plain-language brief, then actually run the script before handing it over.

Skill: React Native Best Practices

by Callstack

Callstack's official React Native performance skill: a priority-ordered framework for FPS, time-to-interactive, bundle size, memory leaks and re-render problems.

Skill: MongoDB Connection Optimizer

by MongoDB

MongoDB's official skill for connection pools and timeouts — it refuses to hand you numbers until it knows your deployment, workload and concurrency.

Skill: Inngest Flow Control

by Inngest

Seven ways to throttle agent and background workloads — concurrency keys, throttling, rate limiting, debounce, singleton, priority and batching — with a decision guide that picks the right one.

Skill: EF Core Query Optimization

by .NET Team at Microsoft

Make slow Entity Framework Core queries fast — read the generated SQL first, fix N+1s, cartesian Include explosions and non-sargable predicates, then re-measure one change at a time.

Skill: Supabase Postgres Best Practices

by Supabase

Supabase's official Postgres skill — eight rule categories ranked by impact, each with wrong-vs-right SQL and EXPLAIN output, for schema, RLS, indexing and query work on Postgres anywhere.

Skill: Web Performance Audit

by Cloudflare

Audits Core Web Vitals through the Chrome DevTools MCP server — LCP, INP, CLS plus FCP, TBT and Speed Index — and traces each one back to the render-blocking resource or layout shift causing it.

Skill: Google Cloud Spanner Basics

by Google Cloud

Google's official Spanner skill: provision instances, design primary keys that do not hotspot, write SQL and client-library code, and diagnose slow queries — with DDL and DML gated behind your approval.

Skill: MongoDB Schema Design

by MongoDB

MongoDB's official data-modelling skill — embed-vs-reference decisions, relationship patterns and the anti-patterns that quietly wreck performance and cost.

Skill: OpenSearch Trace Analytics

by OpenSearch Project

Investigate OpenTelemetry traces stored in OpenSearch — slow and error spans, reconstructed trace trees, service maps, plus agent invocation and token-usage analysis.

Skill: ClickHouse Best Practices

by ClickHouse Inc

ClickHouse's official agent skill: 31 rules for primary keys, data types, JOINs, batching and partitioning that an agent must check and cite before advising on a schema or query.

Skill: Vercel React Best Practices

by Vercel

Vercel Engineering's React and Next.js performance playbook as an agent skill — 70 rules across 8 categories, ordered by impact, for writing and refactoring fast components.

Skill: Django Performance Review

by Sentry

Sentry's Django performance review skill — hunts N+1 queries, unbounded querysets, missing indexes and write loops, and reports only findings it can prove.

Skill: .NET Performance Analysis

by Microsoft

The .NET team's official skill for scanning C# against ~50 performance anti-patterns across async, memory, strings, collections, LINQ, regex and I/O.

Skill: Engineering Code Review

by Sentry

Review pull requests against a real engineering practice — security, performance, testing, and design, in that order.

Skill: Web Performance Auditing

by Cloudflare

Audit Core Web Vitals with real measurements via Chrome DevTools — then fix what the numbers actually point to.

Skill: Vercel Optimize

by Vercel

Vercel's official optimization skill: collects real production metrics first, then returns ranked, citation-checked cost and performance fixes.

MCP: Arm MCP Server

by Arm

Featured

Arm's official MCP server for porting and tuning software on Arm — semantic docs search, codebase migration scanning, container architecture checks and LLVM-MCA assembly analysis.

MCP: Chrome DevTools MCP

by Google Chrome DevTools team

Google's official MCP server for driving and inspecting a real Chrome browser — automation, debugging, and performance traces.