JVM Source Lens MCP server
Gradle-accurate JVM classpath; fetch Java source, signatures, and class structure for agents.
A92/100grade A
Adoption
Growing
4 stars63 downloads/wk
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
JVM Source Lens tools (7)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
find_in_class_sourceget_class_sourceget_class_structureget_method_signatureresolve_dependenciessearch_classessearch_in_artifact
Public scan report
scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it
no findings
- Code scan4 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 4 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Install directly
Runs npx -y jvmsrc on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add jvmsrc -- npx -y jvmsrc
JVM Source Lens: common questions
- Is JVM Source Lens MCP server safe?
- Yes, by our scan: it is graded A (92/100). Read the JVM Source Lens safety report
- How do I install JVM Source Lens?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does JVM Source Lens need an API key?
- No secret keys are declared. It reads 6 settings from the environment.
- Is JVM Source Lens maintained?
- The last commit was 5 days ago (2026-09-15). The latest release is v1.16.0.