20 .NET Performance Analysis alternatives
.NET Performance Analysis: The .NET team's official skill for scanning C# against ~50 performance anti-patterns across async, memory, strings, collections, LINQ, regex and I/O. 20 agent skills do similar work, most sharing Performance, Code Review and .NET, ranked by how much they have in common with .NET Performance Analysis.
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by .NET Foundation
The .NET team's official skill for capturing crash dumps from CoreCLR and NativeAOT apps on Linux, macOS, Windows and inside containers — collection only, no analysis.
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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.
Also: .NET, Performance
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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.
Also: Code Review, Performance
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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.
Also: Code Review, Performance
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by Sentry
Review pull requests against a real engineering practice — security, performance, testing, and design, in that order.
Also: Code Review, Performance
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by .NET Team at Microsoft
Diagnose an MSBuild build failure from a .binlog file — query the binary log through a dedicated MCP server instead of grepping console output, with a text-replay fallback.
Also: .NET
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by AMD
AMD's official skill for benchmarking vLLM/SGLang inference and driving GPU kernel optimization with Magpie and TraceLens trace analysis.
Also: Performance
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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.
Also: Performance
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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.
Also: Performance
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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.
Also: Performance
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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.
Also: Performance
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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.
Also: Performance
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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.
Also: Performance
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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.
Also: Performance
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by MongoDB
MongoDB's official data-modelling skill — embed-vs-reference decisions, relationship patterns and the anti-patterns that quietly wreck performance and cost.
Also: Performance
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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.
Also: Performance
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by Cloudflare
Audit Core Web Vitals with real measurements via Chrome DevTools — then fix what the numbers actually point to.
Also: Performance
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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.
Also: Performance
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by Vercel
Vercel's official optimization skill: collects real production metrics first, then returns ranked, citation-checked cost and performance fixes.
Also: Performance
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by Trail of Bits
CodeQL, Semgrep and SARIF static-analysis toolkit from Trail of Bits: taint tracking, fast pattern scans and merged, deduplicated security findings for coding agents.
Also: Code Review
