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
- User Guide: docs/user-guide/
- Developer Docs: docs/developer-docs/
- Design Plans: docs/plans/
Quick Links
- Test Reports: docs/developer-docs/reports/ - Test results and reports
- Scripts: scripts/ - Test and automation scripts
- Configuration: config/ - MCP Inspector and other configs
- Logs: logs/ - Temporary logs and outputs
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)
| File | Size | Uploaded | Provenance | |
|---|---|---|---|---|
| jlens_mcp_server-1.1.1.tar.gz | 3.7 kB | With provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| 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
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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 logRelease 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 logSecurity 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.
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.
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To learn more about protecting yourself from malicious actors, visit our package security documentation.