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nuqs

Type-safe URL query state management with nuqs 2.x. Use when writing or reviewing code that uses useQueryState, useQueryStates, URL search params, query parameters, nuqs parsers, createLoader, createSearchParamsCache, createSerializer, or URL state in Next.js, React, Remix, React Router, or TanStack Router.

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fellipeutaka/denji

See how to install

Files included (43)

SKILL.md5.6 KB
references/advanced-adapter-props.md1.9 KB
references/advanced-eq-function.md1.5 KB
references/advanced-optimistic-search-params.md1.2 KB
references/advanced-standard-schema.md2.7 KB
references/advanced-url-keys.md1.5 KB
references/debug-common-errors.md1.8 KB
references/debug-enable-logging.md911 B
references/debug-testing.md3.1 KB
references/history-back-sync.md1.3 KB
references/history-push-navigation.md1.3 KB
references/history-replace-ephemeral.md1.3 KB
references/history-scroll-behavior.md1.3 KB
references/parser-array-format.md1.7 KB
references/parser-custom.md2.1 KB
references/parser-date-format.md1.8 KB
references/parser-enum-literals.md2.0 KB
references/parser-hex-colors.md691 B
references/parser-index-offset.md1.6 KB
references/parser-json-validation.md1.8 KB
references/parser-typed.md2.0 KB
references/parser-with-default.md1.6 KB
references/perf-avoid-rerender.md1.3 KB
references/perf-clear-on-default.md1.4 KB
references/perf-limit-url-updates.md2.6 KB
references/perf-serialize-utility.md1.8 KB
references/server-create-loader.md3.0 KB
references/server-next15-async.md1.8 KB
references/server-search-params-cache.md2.6 KB
references/server-shallow-false.md1.4 KB
references/server-share-parsers.md1.6 KB
references/server-use-transition.md1.6 KB
references/setup-adapter.md3.0 KB
references/setup-client-hooks.md1.7 KB
references/setup-server-imports.md1.6 KB
references/setup-shared-parsers.md1.9 KB
references/state-avoid-derived.md1.8 KB
references/state-clear-with-null.md1.2 KB
references/state-controlled-inputs.md1.3 KB
references/state-functional-updates.md1.4 KB
references/state-options-inheritance.md1.5 KB
references/state-setter-return.md1.1 KB
references/state-use-query-states.md2.0 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

nuqs Best Practices

Type-safe URL query state management with nuqs 2.x. Contains rules across 8 categories, prioritized by impact.

Rule Categories

Priority	Category	Impact	Prefix
1	Parser Configuration	CRITICAL	`parser-`
2	Adapter & Setup	CRITICAL	`setup-`
3	State Management	HIGH	`state-`
4	Server Integration	HIGH	`server-`
5	Performance	MEDIUM	`perf-`
6	History & Navigation	MEDIUM	`history-`
7	Debugging & Testing	LOW-MEDIUM	`debug-`
8	Advanced Patterns	LOW	`advanced-`

Quick Reference

1. Parser Configuration (CRITICAL)

parser-typed — Use typed parsers for non-string values
parser-with-default — Use withDefault for non-nullable state
parser-enum-literals — Use literal/enum parsers for constrained values
parser-array-format — Choose correct array parser format
parser-json-validation — Validate JSON parser with Standard Schema
parser-date-format — Select appropriate date parser
parser-index-offset — Use parseAsIndex for 1-based URL display
parser-hex-colors — Use parseAsHex for color values
parser-custom — Create custom parsers for complex types

2. Adapter & Setup (CRITICAL)

setup-adapter — Wrap app with correct NuqsAdapter
setup-client-hooks — Add 'use client' for hooks
setup-server-imports — Import server utilities from nuqs/server
setup-shared-parsers — Define shared parsers in a dedicated file

3. State Management (HIGH)

state-use-query-states — Use useQueryStates for related parameters
state-functional-updates — Use functional updates for derived state
state-clear-with-null — Clear URL parameters with null
state-controlled-inputs — Handle controlled input value properly
state-avoid-derived — Avoid derived state from URL parameters
state-options-inheritance — Use withOptions for parser-level config
state-setter-return — Use setter return value for URL access

4. Server Integration (HIGH)

server-create-loader — Use createLoader for page-level server parsing
server-search-params-cache — Use createSearchParamsCache for nested RSC access
server-shallow-false — Use shallow:false to trigger server re-renders
server-use-transition — Integrate useTransition for loading states
server-share-parsers — Share parsers between client and server
server-next15-async — Handle async searchParams in Next.js 15+

5. Performance (MEDIUM)

perf-limit-url-updates — Throttle/debounce URL updates
perf-clear-on-default — Use clearOnDefault for clean URLs
perf-avoid-rerender — Memoize components using URL state
perf-serialize-utility — Use createSerializer for link URLs

6. History & Navigation (MEDIUM)

history-push-navigation — Use history:push for navigation-like state
history-replace-ephemeral — Use history:replace for ephemeral state
history-scroll-behavior — Control scroll behavior on URL changes
history-back-sync — Handle browser back/forward navigation

7. Debugging & Testing (LOW-MEDIUM)

debug-enable-logging — Enable debug logging for troubleshooting
debug-common-errors — Diagnose common nuqs errors
debug-testing — Test components and hooks with URL state

8. Advanced Patterns (LOW)

advanced-url-keys — Use urlKeys for shorter URL param names
advanced-eq-function — Implement eq function for object parsers
advanced-adapter-props — Configure NuqsAdapter global defaults and URL middleware
advanced-standard-schema — Use createStandardSchemaV1 and inferParserType
advanced-optimistic-search-params — useOptimisticSearchParams for Remix/React Router

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Install

Install with a command

npx skills add https://github.com/fellipeutaka/denji --skill nuqs

Paste it into your terminal and run it (requires Node.js). You can choose which agents to install it for, such as Claude Code or Codex.

Ask your agent

Please install the following Agent Skill.
https://github.com/fellipeutaka/denji/tree/main/.agents/skills/nuqs

First review SKILL.md and the bundled files and confirm there is nothing suspicious (such as sending data externally or reading credentials). Then place it in ~/.claude/skills/nuqs/ for Claude Code, or ~/.agents/skills/nuqs/ for Codex.

Send this text to Claude Code or Codex as is. It checks the contents before installing.

View source on GitHub

Repository: fellipeutaka/denji
Stars: 6
Forks: 0
Category: Development
License: MIT
Original language: English
Last updated: Aug 3, 2026

A skill is a set of instructions and scripts for an agent. cccskills does not guarantee that skills are safe. Review the contents before you install.