Borrowing it
Nothing to install: this file belongs to DeckardGer/tanstack-agent-skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/DeckardGer/tanstack-agent-skills/main/AGENTS.mdgit clone --depth 1 https://github.com/DeckardGer/tanstack-agent-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/deckardger/tanstack-agent-skills/agents-md)<a href="https://agentmods.dev/instructions/deckardger/tanstack-agent-skills/agents-md"><img src="https://agentmods.dev/badge/instructions/deckardger/tanstack-agent-skills/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/deckardger/tanstack-agent-skills/agents-md"><img src="https://agentmods.dev/badge/instructions/deckardger/tanstack-agent-skills/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.01283 | $0.01283 |
| Opus 5.5 | $0.00513 | $0.00513 |
| Sonnet 5.5 | $0.00257 | $0.00257 |
| Haiku 4.5 | $0.00128 | $0.00128 |
Grade A, and why
tanstack-agent-skills AGENTS.md 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 2mo 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.
How it starts
The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Agent Guidelines
This document provides instructions for AI coding agents working with the TanStack Agent Skills repository.
Repository Structure
tanstack-agent-skills/
├── skills/
│ ├── tanstack-query/
│ │ ├── SKILL.md
│ │ └── rules/
│ ├── tanstack-router/
│ │ ├── SKILL.md
│ │ └── rules/
│ ├── tanstack-start/
│ │ ├── SKILL.md
│ │ └── rules/
│ └── tanstack-integration/
│ ├── SKILL.md
│ └── rules/
├── README.md
├── AGENTS.md
└── CLAUDE.md
Skill Format
SKILL.md Structure
Each skill's main file uses YAML frontmatter:
---
name: skill-name
description: Brief description of what this skill covers
---
Followed by markdown sections:
- When to Apply
- Rule Categories by Priority
- Quick Reference
- How to Use
Rule File Naming
Rules use kebab-case with category prefixes:
qk-— Query keyscache-— Cachingmut-— Mutationserr-— Error handlingpf-— Prefetchinginf-— Infinite queriesssr-— SSR patternsperf-— Performancets-— Type safetyorg-— Organizationload-— Data loadingsearch-— Search paramsnav-— Navigationsplit-— Code splittingpreload-— Preloadingctx-— Contextsf-— Server functionssec-— Securitymw-— Middlewareauth-— Authenticationfile-— File organizationdeploy-— Deploymentsetup-— Setupflow-— Data flow
Rule File Structure
# rule-id: Rule Title
## Priority: CRITICAL | HIGH | MEDIUM | LOW
## Explanation
Why this pattern matters and what problem it solves.
## Bad Example
\`\`\`tsx
// Code showing the anti-pattern
// With comments explaining why it's bad
\`\`\`
## Good Example
\`\`\`tsx
// Code showing the recommended pattern
// With comments explaining the approach
\`\`\`
## Context
- When to apply this rule
- When to skip this rule
- Related considerations
Skill Activation
Skills should activate when agents detect:
tanstack-query
- Data fetching code (
useQuery,useMutation) - React Query imports
- Cache management patterns
- Server state handling
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.
- 2mo ago First seen · 212 lines · 1,283 tokens per session scan A 20c2e3c6ca2b
tanstack-agent-skills AGENTS.md is an instructions file published in the GitHub repository DeckardGer/tanstack-agent-skills (229 stars, last pushed 1mo ago), licensed MIT. It adds 1,283 tokens to every session, about $0.0051 per session on Opus 5.5. 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 2026-08-30.
tanstack-agent-skills AGENTS.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| tanstack-agent-skills AGENTS.mdDeckardGer/tanstack-agent-skills | Instructions file | 229 | 1mo ago | MIT | A | 1,283 | Codex, OpenCode |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 9,719 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | today | MIT | A | 7,461 | Codex, OpenCode |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | yesterday | MIT | A | 4,680 | Codex, OpenCode |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 5,516 | GitHub Copilot |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 3,093 | GitHub Copilot |
| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |