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Agent skill

Lunora Performance Audit

by anolilab in anolilab/lunora

Diagnoses and fixes Lunora performance problems — full-table scans and missing indexes, expensive ctx.db.related traversals, OCC write conflicts (409 CONFLICT), live queries that re-run too often…

Custom licenceAuto-check passedDevelopment

Install Lunora Performance Audit

skills CLI
$ npx skills add anolilab/lunora --skill lunora-performance-audit -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install anolilab/lunora lunora-performance-audit --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/anolilab/lunora.git skills-src && mkdir -p .claude/skills && cp -r skills-src/packages/cli/skills/lunora-performance-audit .claude/skills/lunora-performance-audit && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
lunora-performance-audit
GitHub stars
282
Token cost
~2.4k tokens
SKILL.md length
1,020 words
Files
1
Skills in repo
16
Repo updated
First seen
Licence
Custom licence

At a glance

Diagnoses and fixes Lunora performance problems — full-table scans and missing indexes, expensive ctx.db.related traversals, OCC write conflicts (409 CONFLICT), live queries that re-run too often…

  • Works in 6 steps: Scope one concrete user flow with a… → Gather signal with lunora insights… → Trace every ctx.db read and write in… → …
  • The user says a query
  • SKILL.md covers Workflow, Signal, Read amplification (the common… and Relation traversal cost, plus 4 more sections
  • Needs LUNORA_ADMIN_TOKEN

What it does

Lunora Performance Audit is an agent skill from anolilab/lunora. Diagnoses and fixes Lunora performance problems — full-table scans and missing indexes, expensive ctx.db.related traversals, OCC write conflicts (409 CONFLICT), live queries that re-run too often, hot shards, and choosing .shardBy(key) or .global() to scale. Starts from measured signal (lunora insights) and static signal (lunora advisor, @lunora/advisor lints such as filterwithoutindex, unboundedcollect, unindexedforeignkey, hotshard). Use when the user says a query or page is slow, mutations fail with conflicts…

Its SKILL.md is about 2.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Linting and formatting. The repository describes itself as: Type-safe, real-time backend framework on your own Cloudflare account — Workers, Durable Objects, D1, R2, Queues. Convex-style DX, Vite-first.

When your agent uses it

  • The user says a query
  • Mutations fail with conflicts under load
  • Subscriptions are chatty
  • Asks to audit performance

Example prompts

  • “audit performance”
  • “add the right index”
  • “should I shard this table”
  • “/lunora-performance-audit”

Requirements

  • A credential in LUNORA_ADMIN_TOKEN

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Scope one concrete user flow with a clear entry and exit.
  2. Gather signal with lunora insights (runtime) and lunora advisor
  3. Trace every ctx.db read and write in that flow.
  4. Route to the problem class below and fix it.
  5. Fix siblings so every function reads the table the same indexed way. A
  6. Verify: behaviour unchanged, the advisor finding cleared, and the

What it can do on your machine

Read from SKILL.md and the folder at commit 0d32a44. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are bash and typescript).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • LUNORA_ADMIN_TOKEN

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Lunora Performance Audit loads about 2.4k tokens when it runs. Until then it costs about 190 tokens; SKILL.md has 1,020 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~190
When it runs · the whole SKILL.md, loaded when a task matches
~2.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,020 words (~2,427 tokens).

“Find the measured problem, route it to the matching fix below, and apply the fix to every function that touches the same table.”

— opening of SKILL.md by anolilab, Custom licence
name
lunora-performance-audit

Read the full SKILL.md on GitHub

Files

Just SKILL.md in packages/cli/skills/lunora-performance-audit of anolilab/lunora.

Open the folder on GitHubat commit 0d32a44

Compare with similar skills

Lunora Performance Audit next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Lunora Performance Audit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Lunora Performance Audit this skillanolilab/lunora282—~2.4kAutomated safety check: PassCustom licence
Minimizing Ty Ecosystem Changesastral-sh/ruff50k—~4.6kAutomated safety check: PassMIT
Install Anti-Slop Oxlint Rulesdmmulroy/anti-slop5.3k—~2.2kAutomated safety check: PassMIT
Babysit PR To Pass CIsgl-project/sglang37k2 repos~3kAutomated safety check: PassApache-2.0
Rust Best Practicesfarm-fe/farm5.6k3 repos~1.1kAutomated safety check: PassMIT
Summarise Ecosystem Resultsastral-sh/ruff50k—~2.2kAutomated safety check: PassMIT

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Categories

Questions about Lunora Performance Audit

What does Lunora Performance Audit do?

Diagnoses and fixes Lunora performance problems — full-table scans and missing indexes, expensive ctx.db.related traversals, OCC write conflicts (409 CONFLICT), live queries that re-run too often…. Lunora Performance Audit is an agent skill from anolilab/lunora.global() to scale.

When should I use Lunora Performance Audit?

Lunora Performance Audit fits situations like: the user says a query; mutations fail with conflicts under load; subscriptions are chatty; asks to audit performance.

How do I install Lunora Performance Audit in Claude Code?

Run `npx skills add anolilab/lunora --skill lunora-performance-audit -a claude-code`. Or copy the skill folder (packages/cli/skills/lunora-performance-audit in anolilab/lunora) into .claude/skills/lunora-performance-audit in your project. Claude Code loads it when a task matches its description.

How do I install Lunora Performance Audit in Codex?

Run `npx skills add anolilab/lunora --skill lunora-performance-audit -a codex`. Or copy the skill folder (packages/cli/skills/lunora-performance-audit in anolilab/lunora) into .agents/skills/lunora-performance-audit in your project. Codex loads it when a task matches its description.

Can I use Lunora Performance Audit in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add anolilab/lunora --skill lunora-performance-audit -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/lunora-performance-audit, .gemini/skills/lunora-performance-audit, .github/skills/lunora-performance-audit and .opencode/skills/lunora-performance-audit in your project.

What does Lunora Performance Audit need to run?

Going by SKILL.md and its folder, Lunora Performance Audit needs credentials named LUNORA_ADMIN_TOKEN. Our summary lists: A credential in LUNORA_ADMIN_TOKEN.

Does Lunora Performance Audit access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Lunora Performance Audit safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Lunora Performance Audit use?

Lunora Performance Audit has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Lunora Performance Audit use?

About 2.4k tokens (SKILL.md is roughly 9.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Lunora Performance Audit?

Skills that share tags, products or a category with Lunora Performance Audit: Minimizing Ty Ecosystem Changes (astral-sh/ruff, 50k stars), Install Anti-Slop Oxlint Rules (dmmulroy/anti-slop, 5.3k stars), Babysit PR To Pass CI (sgl-project/sglang, 37k stars) and Rust Best Practices (farm-fe/farm, 5.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Lunora Performance Audit?

anolilab (a GitHub organization) maintains it in anolilab/lunora, which has 282 GitHub stars. The repository holds 16 skills in this directory. The repository was last updated on October 9, 2026.

Source: anolilab/lunora on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.