fcakyon/claude-codex-settings · plugins/mongodb-skills/skills/mongodb-query-optimizer/SKILL.md

mongodb-query-optimizer skillA

mongodb-query-optimizer is agent-read markdown (skill) from fcakyon/claude-codex-settings: Help with MongoDB query optimization and indexing. Use only when the user asks for optimization or performance: "How do I optimize this query?", "How do I index this?", "Why is this query slow?", "Can you fix my slow queries?", "What are the slow queries on my cluster?", etc. Do not invoke for general MongoDB query writing unless user asks for performance or index help. Prefer indexing as optimization strategy. Use MongoDB MCP when available..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add fcakyon/claude-codex-settings/mongodb-query-optimizer@v1.0.0
Exact content
mdr add fcakyon/claude-codex-settings/mongodb-query-optimizer@sha256:62a5bff5f4050596

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ideqxdmsknt5cnp2.svg)](https://markdownregistry.com/a/art_ideqxdmsknt5cnp2)

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Versions

versioncommittedcommitsizeaudit
v1.0.0 latest2026-07-20 d26d2c8 10,331 BA view · diff
git:20260331.046d1ef2026-03-31 046d1ef 10,302 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (10331 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

GitHub

fcakyon/claude-codex-settings · 1,145 stars · license Apache-2.0 · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ideqxdmsknt5cnp2
GET https://markdownregistry.com/api/v1/resolve?ref=fcakyon/claude-codex-settings/mongodb-query-optimizer
GET https://markdownregistry.com/api/v1/blob/62a5bff5f4050596baf63a60856d8df52dddcce3e7ba21461885476a88be4873

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.