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JVM Source Lens

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

Connector by Sintexer · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 4
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/sintexer-jvmsrc

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

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

Reviews

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
7 read · 0 write · 0 deleteRead-only
Secrets
None asked for
Install scripts
None found
Runs as
Node.js package

Tools by what they do 7

Read from the source code; the running server may list different tools.

Read 7 · Look things up without changing anything.

  • find_in_class_source
  • get_class_source
  • get_class_structure
  • get_method_signature
  • resolve_dependencies
  • search_classes
  • search_in_artifact

Secrets and settings it asks for

Other settings (environment variables or headers).

  • JVMSRC_ALLOWED_ROOTS
  • JVMSRC_CACHE_ROOT
  • JVMSRC_CFR_PATH
  • JVMSRC_GRADLE_TIMEOUT_MS
  • JVMSRC_LOG_DIR
  • JVMSRC_MAX_SOURCE_OUTPUT_CHARS

Network hosts it talks to 4

  • git-lfs.github.com · found in code
  • github.com · found in code
  • raw.githubusercontent.com · found in code
  • repo1.maven.org · found in code

Files it touches

  • /Library/Java/JavaVirtualMachines
  • /usr/lib/jvm
  • Your home directory (~)

Tools (7)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • find_in_class_sourceFind text in resolved Java sourceread-only

    Grep one known dependency class's source for a string, identifier, or pattern (literal; regex optional). Unknown class: search_classes. Whole JAR: search_in_artifact.

  • get_class_sourceGet Java source for a classread-only

    Read a dependency class's Java source, ideally only specific methods via methodNames (or startLine/endLine). Use only when you need the implementation, not names or signatures. Sources JAR if present, else decompiled (sourceAvailable=false). Whole files over ~64KiB are refused: pass methodNames.

  • get_class_structureGet structured Java class APIread-only

    Show what a third-party library (JAR) class is and does: purpose and method names; scope=declared adds all signatures and fields, scope=effective adds inherited members. First call for any dependency class you can name; use instead of reading source or javap. One method's overloads: get_method_signature.

  • get_method_signatureGet Java method overload signaturesread-only

    List every overload (parameters, generics, return type) of one or more methods or constructors ("<init>") of a dependency class. Use to verify a call or pick an overload. Not for bodies: use get_class_source.

  • resolve_dependenciesResolve Gradle dependenciesread-only

    List Gradle modules and, with query, the exact dependency versions on the classpath with module counts (conflicts flagged); add modules to name the modules (a path filter, or "all"). Start here for NoSuchMethodError, AbstractMethodError, ClassCastException, or "which version of X is used?"; use instead of reading Gradle files or ~/.gradle caches.

  • search_classesSearch classes on the resolved classpathread-only

    Find which dependency JAR provides a class when you only have a simple name, partial name, or keyword (e.g. ObjectMapper, retry). Use for unknown types in stack traces or imports, instead of unzip/jar searches. Returns FQN + library per hit; next call get_class_structure.

  • search_in_artifactSearch text across all classes in one resolved dependency JARread-only

    Grep every class in one dependency JAR for a string (log message, exception text, constant). Use when you know the library but not the class. Pass coordinates {group, name, version} (see resolve_dependencies with query) or jarPath.

Signals

Stars
4
Forks
0
Open issues
1
Last commit
Oct 2, 2026 (27 days ago)
Last release
Oct 2, 2026 (27 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.Sintexer/jvmsrc
Version
1.16.0
Auth
No auth
Packages
npm jvmsrc
License
MIT
Repository
github.com/Sintexer/jvm-source-lens
Website
github.com/Sintexer/jvm-source-lens#readme
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql
Cite this page

JVM Source Lens MCP server. Agent Mart. https://agentmart.dev/connectors/sintexer-jvmsrc (last updated 2026-10-24)