nuqs

A guide to nuqs, a Next.js library for storing application state in URL query parameters such as filters, searches, and page numbers.

In plain words
What is it for?
Use it when adding URL-based state, configuring parameter parsers, handling browser history, integrating with server components, or debugging URL state.
Why use it?
It helps keep URL values typed, shareable, bookmarkable, and correctly synchronized with the application and server-rendered pages.

Skill for Claude CodeCodex

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 skills/pymodel/react-frontend-skills/nuqs
Any agent
npx skills add PyModel/react-frontend-skills --skill nuqs
Clone the repo
git clone --depth 1 https://github.com/PyModel/react-frontend-skills

Made for: Claude Code, Codex.

Per session 76 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,499 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 $0.00076 $0.01499
Opus 5 $0.00038 $0.00749
Sonnet 5 $0.00015 $0.00300
Haiku 4.5 $0.00008 $0.00150

Measured 2d ago against content hash aaff9532190a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

nuqs 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.

skills/nuqs/SKILL.md · 114 lines

How it starts

The opening of the file, as written. The whole thing — 114 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Community nuqs Best Practices for Next.js

Comprehensive guide for type-safe URL query state management with nuqs in Next.js applications. Contains 42 rules across 8 categories, prioritized by impact to guide code generation, refactoring, and code review.

When to Apply

Reference these guidelines when:

  • Implementing URL-based state with nuqs
  • Setting up nuqs in a Next.js project
  • Configuring parsers for URL parameters
  • Integrating URL state with Server Components
  • Optimizing URL update performance
  • Debugging nuqs-related issues

Rule Categories by Priority

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 Optimization MEDIUM perf-
6 History & Navigation MEDIUM history-
7 Debugging & Testing LOW-MEDIUM debug-
8 Advanced Patterns LOW advanced-

Quick Reference

1. Parser Configuration (CRITICAL)

2. Adapter & Setup (CRITICAL)

Read the full file on GitHub · 114 lines

Files

What ships with it

45 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 114 lines · 76 tokens per session scan A aaff9532190a

Subscribe to this mod's changes

nuqs is a skill published in the GitHub repository PyModel/react-frontend-skills (3 stars, last pushed 12d ago), licensed MIT. It adds 76 tokens to every session and 1,499 once invoked, about $0.0004 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.

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