quickfix

A helper for looking up and applying fixes for specific Spring Boot diagnostic codes. A diagnostic code identifies a particular warning or error reported by the Spring tools.

In plain words
What is it for?
Use it after encountering a Spring Boot warning or error when you need both the explanation and a targeted file change.
Why use it?
It explains what a known Spring Boot problem means and applies the documented fix to the affected file.

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/spring-projects/spring-tools/quickfix
Any agent
npx skills add spring-projects/spring-tools --skill quickfix
Clone the repo
git clone --depth 1 https://github.com/spring-projects/spring-tools

Made for: Claude Code, Codex.

Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 363 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00047 $0.00363
Opus 5 $0.00023 $0.00181
Sonnet 5 $0.00009 $0.00073
Haiku 4.5 $0.00005 $0.00036

Measured 2d ago against content hash 1a1c2dd54d2c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

quickfix 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.

claude-plugins/spring-tools/skills/quickfix/SKILL.md · 22 lines

The source is not reproduced here

Licensed EPL-1.0

The repository is licensed EPL-1.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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 · 22 lines · 47 tokens per session scan A 1a1c2dd54d2c

Subscribe to this mod's changes

quickfix is a skill published in the GitHub repository spring-projects/spring-tools (980 stars, last pushed 3d ago), licensed EPL-1.0. It adds 47 tokens to every session and 363 once invoked, about $0.0002 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 2026-08-30.

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