Skip to main content

JLens MCP Server

A Model Context Protocol (MCP) server for inspecting Java classes and Maven dependencies.

Quick Execution

You can run JLens instantly using npx or uvx (requires Java 25+ installed):

# Using npx
npx -y @bhxch/jlens-mcp-server

# Using uvx
uvx jlens-mcp-server

Environment Variables

You can configure the server using environment variables:

  • JLENS_JAVA_HOME: Path to Java installation (overrides JAVA_HOME)
  • JLENS_ARGS: Additional JVM arguments or server options
# Example
JLENS_JAVA_HOME="/path/to/jdk-25" JLENS_ARGS="-Dfile.encoding=UTF-8" npx @bhxch/jlens-mcp-server

Agent Skills

Install specialized AI agent skills to help your agent use JLens more effectively (requires npx skills support):

# Install Chinese Version
npx skills install https://github.com/bhxch/jlens/tree/main/skills/jlens-mcp

# Install English Version
npx skills install https://github.com/bhxch/jlens/tree/main/skills/jlens-mcp-en

Documentation

Quick Links

Build & Run

Build

mvn clean package

This will create an executable JAR file: target/jlens-mcp-server-1.1.1.jar

License

MIT

Metadata

Release files for jlens-mcp-server 1.1.1

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for jlens-mcp-server 1.1.1
File Size Uploaded Provenance
jlens_mcp_server-1.1.1.tar.gz 3.7 kB With provenance Details

Built distribution (wheel)

Table of built distributions (wheels) for jlens-mcp-server 1.1.1
File Interpreter ABI Platform
jlens_mcp_server-1.1.1-py3-none-any.whl Python 3 none any Details

Total release size: 8.1 kB

Release files / jlens_mcp_server-1.1.1.tar.gz

Download URL jlens_mcp_server-1.1.1.tar.gz
Size 3.7 kB
Tags Source
SHA-256 checksum
How to use checksums
4fd038bcc42ee2635f1109875bbcc903b109d8f4c30f4478a56779fbd9f5314d
BLAKE2b-256 checksum
How to use checksums
1147cdb0852476b84045b9c479a467eb6dd45285ee033b815ae1ac58c2c63008
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via twine/6.1.0 CPython/3.13.7

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Jan 27, 2026.

Transparency log

Release files / jlens_mcp_server-1.1.1-py3-none-any.whl

Download URL jlens_mcp_server-1.1.1-py3-none-any.whl
Size 4.4 kB
Tags Python 3
SHA-256 checksum
How to use checksums
d236e6e0570de911c7eac0c5be6b402b0c9c6d2982a79be70407197d9a58663d
BLAKE2b-256 checksum
How to use checksums
1ea0278608e9cee8e058545cedf299b2f728462fd8c9568e16157b68aa8afabe
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via twine/6.1.0 CPython/3.13.7

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Jan 27, 2026.

Transparency log

Security for jlens-mcp-server 1.1.1

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

Full provenance

All 2 files in this release have been uploaded with provenance metadata.

Select from 2 files

Attestation for jlens_mcp_server-1.1.1.tar.gz

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Jan 27, 2026.

Transparency log

A note on package security

PyPI is a repository for distributing packages, not a service for auditing them. While third-party security researchers and our staff do their best to detect and remove malicious packages, PyPI cannot guarantee the quality, security or suitability of any given package.

To learn more about protecting yourself from malicious actors, visit our package security documentation.

Release history Release notifications | RSS feed

This release

1.1.1 This release

2 release files Full provenance

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page