microsoft/java-lsp-tools
resources/skills/java-lsp-tools/SKILL.md
Compiler-accurate Java symbol navigation via the Java Language Server. Use lsp_java_findSymbol for Java identifiers and lsp_java_getFileStructure for known Java files; prefer them over generic search only for symbol/file-outline navigation.
$ install --global
skillsauthnpx skillsauth add microsoft/vscode-java-dependency java-lsp-toolsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
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CrowdStrikeAdvanced threat intelligence
50%
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OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: May 30, 2026, 6:31 AM15.0s1 file scanned
SKILL.md
- name:
- java-lsp-tools
- description:
- Compiler-accurate Java symbol navigation via the Java Language Server. Use lsp_java_findSymbol for Java identifiers and lsp_java_getFileStructure for known Java files; prefer them over generic search only for symbol/file-outline navigation.
Java LSP Tools
Two compiler-accurate tools backed by the Java Language Server (jdtls). They return structured JSON that is easier to interpret than generic search results for Java symbol navigation.
Tools
lsp_java_findSymbol
Search for Java symbol definitions (classes, methods, fields) by name across the workspace. Supports partial matching.
- Input:
{ query, limit? }— limit defaults to 20, max 50 - Output:
{ results: [{ name, kind, container?, location, range }], total }(~60 tokens);rangeisL start-end - Use instead of
grep_search,file_search,semantic_search, orsearch_subagentwhen looking for where a Java class/method/field is defined by identifier - Do not repeat with the same or similar query after relevant results are returned
lsp_java_getFileStructure
Get hierarchical outline of a Java file (classes, methods, fields) with line ranges.
- Input:
{ uri }— workspace-relative path. Must be a known path from prior tool results or user input — do not guess - Output: symbol tree with
L start-endranges (~100 tokens) - Use before
read_filewhen you need to choose a precise line range in a known Java file
When to Use
| Task | Use | Not |
|---|---|---|
| Find class/method/field definition | lsp_java_findSymbol | grep_search |
| See known Java file outline before reading | lsp_java_getFileStructure | read_file full file |
| Search non-Java files (xml, gradle) | grep_search | lsp tools |
| Search string literals or comments | grep_search | lsp tools |
| Explore broad concepts without identifiers | semantic_search or search_subagent | lsp tools |
Typical Workflow
findSymbol → getFileStructure → read_file (specific lines only)
If findSymbol returns relevant symbols, move forward to getFileStructure or read_file; do not call findSymbol again with the same or similar identifier.
Fallback
findSymbolreturns empty → it already retried internally with a normalized identifier, so do not re-issue the same search. If the result says indexing is in progress, retry once after a short pause; otherwise fall back togrep_search- Path error (
fileNotFound) → usefindSymbolto discover the correct path first; do not guess paths - Tool error / jdtls not ready → fall back to
grep_search+read_file, don't retry more than once
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