optimize

A performance-optimization command that measures an application, finds its slowest parts, and applies targeted improvements. Profiling records where the program spends time or uses resources.

In plain words
What is it for?
Use it to investigate slow pages, API responses, database queries, memory use, rendering, network requests, or expensive calculations.
Why use it?
It replaces guesswork with before-and-after measurements and focuses effort on bottlenecks that have the greatest effect.

Command

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add commands/versoxbt/claude-initial-setup/optimize
Clone the repo
git clone --depth 1 https://github.com/VersoXBT/claude-initial-setup
Per session 5 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 447 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00005 $0.00447
Opus 5 $0.00003 $0.00224
Sonnet 5 $0.00001 $0.00089
Haiku 4.5 $0.00001 $0.00045

Measured 2d ago against content hash bd81ab3bcfc2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

optimize scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

commands/optimize.md · 52 lines

How it starts

The opening of the file, as written. The whole thing — 52 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Performance Optimization

Profile the application to identify bottlenecks, then apply targeted optimizations with before/after benchmarks.

Steps

  1. Establish a baseline:

    • Identify the slow operation or endpoint.
    • Measure current performance (response time, execution time, memory usage).
    • Record the baseline numbers for comparison.
  2. Profile the application:

    • For frontend: Check bundle size, render performance, and network requests.
    • For backend: Profile API response times, database query times, and memory allocation.
    • For general code: Use profiling tools to identify hot paths and bottlenecks.
  3. Identify the top bottlenecks:

    • Rank issues by impact (largest time or resource savings first).
    • Focus on the top 3 bottlenecks — do not optimize everything at once.
    • Verify each bottleneck is real, not a profiling artifact.
  4. Apply optimizations one at a time:

    • Database: Add missing indexes, fix N+1 queries, optimize slow queries, add pagination.
    • Computation: Memoize expensive calculations, use caching (in-memory or Redis), debounce/throttle frequent operations.
    • Rendering: Lazy-load components and routes, virtualize long lists, reduce unnecessary re-renders.
    • Network: Compress responses, batch API calls, implement proper caching headers.
    • Bundle: Code-split large bundles, tree-shake unused imports, lazy-load heavy dependencies.
  5. Benchmark after each optimization:

    • Re-run the same measurement from step 1.
    • Compare against the baseline.
    • If the optimization shows no measurable improvement, revert it.
    • If the optimization introduces regressions, revert and try a different approach.
  6. Run the full test suite:

    • Verify no functionality was broken by optimizations.
    • Performance improvements must not come at the cost of correctness.

If Optimization Introduces Bugs

  • Revert the optimization immediately.
  • Analyze why it broke — incorrect assumptions about data flow or state.
  • Find an alternative approach that preserves correctness.

Read the full file on GitHub · 52 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 52 lines · 5 tokens per session scan A bd81ab3bcfc2

Subscribe to this mod's changes

optimize is a command published in the GitHub repository VersoXBT/claude-initial-setup (4 stars, last pushed 3mo ago), licensed MIT. It adds 5 tokens to every session and 447 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.