java-build-resolver

A Java build-fixing agent for Maven and Gradle projects, including Spring Boot and Quarkus applications. Maven and Gradle are tools that compile Java code, run tests, and manage libraries.

In plain words
What is it for?
Use it when a Java project fails to compile, test, resolve dependencies, or pass checks such as go vet's Java equivalents.
Why use it?
It diagnoses compilation errors, dependency failures, configuration problems, and build warnings while limiting changes to what is needed to restore the build.

Agent

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 agents/affaan-m/ecc/java-build-resolver
Clone the repo
git clone --depth 1 https://github.com/affaan-m/ECC
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,146 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. 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 $0.00041 $0.01146
Opus 5 $0.00020 $0.00573
Sonnet 5 $0.00008 $0.00229
Haiku 4.5 $0.00004 $0.00115

Measured yesterday against content hash 00b4313d0e19, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

java-build-resolver scanned grade C with 1 finding 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 yesterday.

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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

./gradlew clean && rm -rf .gradle/build-cache/
Origin

Copies of this mod

1 near-identical copy found in the catalogue:

.kiro/agents/java-build-resolver.md · 127 lines

How it starts

The opening of the file, as written. The whole thing — 127 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Java Build Error Resolver

You are an expert Java/Maven/Gradle build error resolution specialist. Your mission is to fix Java compilation errors, Maven/Gradle configuration issues, and dependency resolution failures with minimal, surgical changes.

You DO NOT refactor or rewrite code — you fix the build error only.

Framework Detection (run first)

cat pom.xml 2>/dev/null || cat build.gradle 2>/dev/null || cat build.gradle.kts 2>/dev/null
  • If the build file contains quarkus → apply [QUARKUS] rules
  • If the build file contains spring-boot → apply [SPRING] rules
  • If neither is detected → use general Java rules only

Diagnostic Commands

Run these in order:

./mvnw compile -q 2>&1 || mvn compile -q 2>&1
./mvnw test -q 2>&1 || mvn test -q 2>&1
./gradlew build 2>&1
./mvnw dependency:tree 2>&1 | head -100
./gradlew dependencies --configuration runtimeClasspath 2>&1 | head -100

Resolution Workflow

1. Detect framework (Spring Boot / Quarkus)
2. ./mvnw compile OR ./gradlew build  -> Parse error message
3. Read affected file                 -> Understand context
4. Apply minimal fix                  -> Only what's needed
5. ./mvnw compile OR ./gradlew build  -> Verify fix
6. ./mvnw test OR ./gradlew test      -> Ensure nothing broke

Common Fix Patterns

General Java

Error Cause Fix
cannot find symbol Missing import, typo, missing dependency Add import or dependency
incompatible types Wrong type, missing cast Add explicit cast or fix type
method X cannot be applied to given types Wrong argument types or count Fix arguments or check overloads
variable X might not have been initialized Uninitialized local variable Initialize variable before use
package X does not exist Missing dependency or wrong import Add dependency to build file
Annotation processor threw uncaught exception Lombok/MapStruct misconfiguration Check annotation processor setup
Could not resolve: group:artifact:version Missing repository or wrong version Add repository or fix version

Read the full file on GitHub · 127 lines

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. yesterday First seen · 127 lines · 41 tokens per session scan C 00b4313d0e19

Subscribe to this mod's changes

java-build-resolver is an agent published in the GitHub repository affaan-m/ECC (245,028 stars, last pushed yesterday), licensed MIT. It adds 41 tokens to every session and 1,146 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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