869 mods tagged Java that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
Dmitriusan/mcp-jvm-diagnostics
MCP server Claude CodeCodexCursor +2
MCP server for JVM diagnostics — analyze thread dumps, detect deadlocks, parse GC logs, and get JVM tuning recommendations. Runs locally from the mcp-jvm-diagnostics npm package.
gabrielrovesti/ai-agent-skills
Skill Claude CodeCodex
Use when writing or changing Spring Boot controllers, DTO validation, error handling, logging, pagination or production config.
MCP server Claude CodeCodexCursor +2
Debug live JVMs through JDWP — from any MCP-compatible agent. Runs locally from the jdwp-mcp Python package.
almasumdev/awesome-java-android-agent-skills
Skill Claude CodeCodex
Expert guidance on writing and maintaining Android Gradle build files in Groovy DSL for a Java project — product flavors, signing configs, build types, and dependency management. Use this when configuring build.gradle for new modules or flavors.
MCP server Claude CodeCodexCursor +2
Maven Central MCP — Java/JVM artifact registry. Remote server at gateway.pipeworx.io.
vlad-public-code/org.json-kula.valem
MCP server Claude CodeCodexCursor +2
Valem - Deterministic reactive state models. Create your own calculators/forms with AI. Remote server at valem.run.
MCP server Claude CodeCodexCursor +2
A MCP server for Maven dependency version checking. Runs locally from the mvn-mcp-server Python package.
MCP server Claude CodeCodexCursor +2
MCP server providing Java development capabilities through Eclipse JDT.LS. Runs locally from the jons-mcp-java Python package.
MCP server Claude CodeCodexCursor +2
MCP Server for resolving Maven2 module versions with caching and logging. Runs locally from the maven-artifacts-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for Spring Boot codebase intelligence. Runs locally from the spring-api-intel-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "jar-inspector-mcp" as configured in pgatzka/jar-inspector-mcp. Runs locally from the jar-inspector-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "jdtls-mcp" as configured in Kicey/jdtls-mcp. Runs locally from the jdtls-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server that wraps Google's OSV-Scanner to scan Java, JavaScript, Python, Go, Rust, .NET, and PHP dependencies for known vulnerabilities and recommend fixes. Runs locally from the osv-scanner-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server that gives an AI agent real email inboxes: create, waitforotp, send and more, for Claude Desktop, Cursor and any MCP client. Runs locally from the mailflat-mcp Python package. Needs 2 environment variables to run.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: