performance-optimizer SKILL.md skillA
performance-optimizer from polakinio/ai-engineering-playbook is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add polakinio/ai-engineering-playbook/performance-optimizer@git:20260812.5b0dd88Pins git:20260812.5b0dd88 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- polakinio/ai-engineering-playbook
- Path
skills/performance-optimizer/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260812.5b0dd88, committed Aug 12, 2026
- First version recorded
- Mar 23, 2026
- Size
- 2,209 bytes
- Repository stars
- 2
- License
- MIT
Review or plan changes that affect latency, throughput, caching, batching, scaling behavior, or duplicate work.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# performance-optimizer ## Purpose During Development Use this skill when Codex and similar AI coding agents are reviewing or implementing performance-related changes such as latency reduction, duplicate-work removal, scaling improvements, batching, caching, or throughput improvements. This is a reusable development-time reasoning framework. It is not runtime code and must not be coupled into the product being reviewed. ## When To Apply - performance-focused features or refactors - PRs that claim to speed up code paths - bugs involving timeouts, duplicate work, memory growth, or slow orchestration - changes that introduce caching, batching, concurrency, or reuse ## What To Inspect - performance goals or claims - instrumentation, traces, or timing evidence - high-cost paths and repeated calls - cache or reuse semantics - tests or benchmarks that verify the claim ## Rules To Enforce - require evidence for performance claims - remove duplicate work before speculative micro-optimization - keep performance behavior visible and debuggable - do not weaken safety, correctness, or contract clarity for speed - make caching and reuse explicit to callers and reviewers …
Read the whole file at its exact version.
How to install
mdr add polakinio/ai-engineering-playbook/performance-optimizer@sha256:71caa3be12ae0790The line at the top of this page pins the label git:20260812.5b0dd88, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_zt3btkuncuq34k7x)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Mar 23, 2026 and Aug 12, 2026, about one every 71 days. Its first recorded version is graded C and its latest A.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260812.5b0dd88 latest | 2026-08-12 | 5b0dd88 | 2,209 B | A | view · diff |
| git:20260329.e81eb98 | 2026-03-29 | e81eb98 | 1,971 B | C | view · diff |
| git:20260323.057cdcd | 2026-03-23 | 057cdcd | 1,954 B | C | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (2209 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
polakinio/ai-engineering-playbook · 2 stars · license MIT · pushed 2026-09-04 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_zt3btkuncuq34k7x GET https://markdownregistry.com/api/v1/resolve?ref=polakinio/ai-engineering-playbook/performance-optimizer GET https://markdownregistry.com/api/v1/blob/71caa3be12ae0790186d565e0967f8715c0606c59ee29d470767e9612e3f2873
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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