MongoDB's official skill for connection pools and timeouts — it refuses to hand you numbers until it knows your deployment, workload and concurrency.
2 views
Performance
Making software faster — profiling, page-speed audits and runtime optimisation.
15 skills and 1 MCP server tagged Performance.
Skills
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.
3 views
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.
4 views
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.
4 views
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.
3 views
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.
6 views
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.
2 views
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.
4 views
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.
4 views
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.
3 views
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.
3 views
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.
5 views
Skill: Engineering Code Review
by Sentry
Review pull requests against a real engineering practice — security, performance, testing, and design, in that order.
3 views
Skill: Web Performance Auditing
by Cloudflare
Audit Core Web Vitals with real measurements via Chrome DevTools — then fix what the numbers actually point to.
3 views
Skill: Vercel Optimize
by Vercel
Vercel's official optimization skill: collects real production metrics first, then returns ranked, citation-checked cost and performance fixes.
3 views
MCP servers
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.
2 views
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