About Semantic Js
Semantic Js is an MCP server in the Maps category: semantic understanding of JavaScript codebases for AI agents.
Install
claude mcp add semantic-js -- npx -y semantic-js-mcpnpx -y semantic-js-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (15)
lsp_audit_named_symbolCompact composed summary by symbol name
Parameters not published.
lsp_audit_symbolCompact composed summary at a position
Parameters not published.
lsp_call_hierarchyBounded static incoming or outgoing call graph
Parameters not published.
lsp_call_hierarchy_pageLater edges from the freshness-checked call graph
Parameters not published.
lsp_count_named_symbolDefinition and reference counts by name
Parameters not published.
lsp_count_referencesReference counts at a position
Parameters not published.
lsp_count_text_matchesExact identifier text count without semantic verification
Parameters not published.
lsp_definitionDefinition resolution at a position
Parameters not published.
lsp_diagnosticsFocused diagnostics for one file
Parameters not published.
lsp_document_symbolsStructure for one file
Parameters not published.
Show all 15 tools
lsp_hoverInferred type and documentation
Parameters not published.
lsp_reference_pageA later page from the same collection
Parameters not published.
lsp_referencesFirst page of verified locations
Parameters not published.
lsp_unresolved_reference_pageUnresolved candidates with locations and literal reasons
Parameters not published.
lsp_workspace_symbolsSymbol-name discovery
Parameters not published.
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