How do I install JVM Source Lens?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is JVM Source Lens official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

JVM Source Lens MCP Server | MCPpedia

JVM Source Lens MCP Server

Name: JVM Source Lens MCP Server
Author: sintexer

Gradle-accurate JVM classpath; fetch Java source, signatures, and class structure for agents.

Tools Versions Alternatives

Registrysintexer

50Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "sintexer-jvm-source-lens": {
      "command": "npx",
      "args": [
        "-y",
        "jvmsrc@1.16.0"
      ],
      "env": {
        "JVMSRC_ALLOWED_ROOTS": "",
        "JVMSRC_CACHE_ROOT": "",
        "JVMSRC_LOG_DIR": "",
        "JVMSRC_MAX_SOURCE_OUTPUT_CHARS": "",
        "JVMSRC_GRADLE_TIMEOUT_MS": "",
        "JVMSRC_CFR_PATH": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
JVMSRC_ALLOWED_ROOTS	No	Optional comma-separated absolute paths; only these project roots are allowed.
JVMSRC_CACHE_ROOT	No	Optional absolute path for resolution and decompile caches (default: OS cache dir).
JVMSRC_LOG_DIR	No	Optional absolute path for failure diagnostic logs.
JVMSRC_MAX_SOURCE_OUTPUT_CHARS	No	Max characters returned for full-file source (default 524288).
JVMSRC_GRADLE_TIMEOUT_MS	No	Gradle resolution subprocess timeout in milliseconds.
JVMSRC_CFR_PATH	No	Optional path to a custom CFR JAR for decompilation.

JVM Source Lens MCP Server

Install

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