{
  "version": "act 1.0.17",
  "language_id": "lua",
  "language_name": "Lua",
  "url": "https://act101.ai/docs/languages/lua",
  "is_premium": false,
  "operations": [
    {
      "anchor": "op-callers",
      "name": "callers",
      "category": "Query",
      "description": "Find every call site of a function or method across the codebase. Use to understand who depends on a function before changing its signature. Requires LSP. Params: symbol (string) [, file (string)]"
    },
    {
      "anchor": "op-control-flow",
      "name": "control_flow",
      "category": "Query",
      "description": "Get a function's control flow \u2014 branches, loops, early returns, and basic blocks in execution order. Use to understand complex logic without reading the full implementation. Params: target (string), file (string)"
    },
    {
      "anchor": "op-definition",
      "name": "definition",
      "category": "Query",
      "description": "Jump to definition \u2014 find where a symbol is defined given a usage location. Uses abstract syntax trees by default, no LSP required. Params: symbol (string), file (string), line (u32), column (u32)"
    },
    {
      "anchor": "op-diagnostics",
      "name": "diagnostics",
      "category": "Query",
      "description": "Get compiler errors and warnings from the language server. Omit `file` for workspace-wide diagnostics. Pass a file path or directory path to scope results. Requires LSP."
    },
    {
      "anchor": "op-fix-auto",
      "name": "fix_auto",
      "category": "Query",
      "description": "Auto-fix all deterministic issues in a file, directory, or workspace \u2014 missing imports, unused imports, simple type errors. Runs multiple fix-revalidate cycles. Use after making changes to clean up automatically. Requires LSP. Params: none [, file (string), workspace_mode (bool), category (string), commit (bool), max_rounds (u32)]"
    },
    {
      "anchor": "op-get-type",
      "name": "get_type",
      "category": "Query",
      "description": "Get the compiler-inferred type of any expression at a position. Use to understand types without reading surrounding code. Requires LSP. Params: file (string), line (u32), column (u32)"
    },
    {
      "anchor": "op-graph",
      "name": "graph",
      "category": "Query",
      "description": "Build a dependency graph from a file \u2014 trace what it imports and what imports it, across multiple hops. Use to understand module relationships and change impact before refactoring. Params: file (string) [, depth (u32), direction (string), leaves (bool), order (string)]"
    },
    {
      "anchor": "op-import-organize",
      "name": "import_organize",
      "category": "Query",
      "description": "Organize, sort, and deduplicate imports in a file. Removes unused imports. Use after adding new code or moving symbols to clean up import blocks automatically. Params: file (string) [, preview (bool)]"
    },
    {
      "anchor": "op-interface",
      "name": "interface",
      "category": "Query",
      "description": "Get a symbol's public API \u2014 signatures, types, and docstrings without implementation bodies. Like skeleton but for a single symbol. Use to understand how to call something without reading its internals. Params: target (string), file (string) [, include_private (bool)]"
    },
    {
      "anchor": "op-mutations",
      "name": "mutations",
      "category": "Query",
      "description": "Identify side effects \u2014 what external state a function reads or writes (globals, file I/O, network, etc.). Use to understand if a function is pure or has hidden dependencies. Params: target (string), file (string)"
    },
    {
      "anchor": "op-references",
      "name": "references",
      "category": "Query",
      "description": "Find every usage of a symbol across the entire codebase \u2014 all files, not just the current one. Use before renaming, refactoring, or deleting to understand full impact. Requires LSP. Params: symbol (string), file (string)"
    },
    {
      "anchor": "op-repo-outline",
      "name": "repo_outline",
      "category": "Query",
      "description": "Get a compressed overview of the entire repository in one call \u2014 file tree with languages, line counts, and optionally symbol names per file. Orders of magnitude cheaper than listing directories and reading files individually. Params: none [, path (string), depth (u32), include (glob), exclude (glob), symbols (bool), max_files (u32), relative (bool)]"
    },
    {
      "anchor": "op-skeleton",
      "name": "skeleton",
      "category": "Query",
      "description": "Get a file's structure \u2014 function signatures, class declarations, type definitions \u2014 without implementation bodies. Use INSTEAD of reading the full file to understand its API. Typically 5-10x fewer tokens than reading the raw file. Params: file (string)"
    },
    {
      "anchor": "op-symbols",
      "name": "symbols",
      "category": "Query",
      "description": "List all symbols (functions, classes, variables, types, constants) defined in a file with their locations and kinds. Use INSTEAD of reading a file when you need to know what's defined in it. Much cheaper than reading the full file. IMPORTANT: file must be a path to a single source file \u2014 never a directory or empty string. Params: file (string)"
    },
    {
      "anchor": "op-symbols-batch",
      "name": "symbols_batch",
      "category": "Query",
      "description": "Retrieve symbols from multiple files in a single call. Use instead of calling symbols() in a loop \u2014 one request instead of N. Params: none [, files (string[]), ids (string[]), kinds (string[])] \u2014 provide files or ids"
    },
    {
      "anchor": "op-add-assert-for-type-safety",
      "name": "add-assert-for-type-safety",
      "category": "Refactor",
      "description": "Insert assert(type(x) == '<type>') guard before a field access statement"
    },
    {
      "anchor": "op-add-error-handler",
      "name": "add-error-handler",
      "category": "Refactor",
      "description": "Wrap function call with xpcall and an inline error handler"
    },
    {
      "anchor": "op-add-ipairs-instead-of-numeric-for",
      "name": "add-ipairs-instead-of-numeric-for",
      "category": "Refactor",
      "description": "Convert numeric for i=1,#t loop to idiomatic for i,v in ipairs(t)"
    },
    {
      "anchor": "op-add-local-declaration",
      "name": "add-local-declaration",
      "category": "Refactor",
      "description": "Add local keyword to variable declaration"
    },
    {
      "anchor": "op-add-local-keyword",
      "name": "add-local-keyword",
      "category": "Refactor",
      "description": "Add local keyword to implicit global variable"
    },
    {
      "anchor": "op-add-module-return",
      "name": "add-module-return",
      "category": "Refactor",
      "description": "Append return <module_name> to end of Lua module file"
    },
    {
      "anchor": "op-add-pairs-instead-of-while",
      "name": "add-pairs-instead-of-while",
      "category": "Refactor",
      "description": "Convert for k, v in next, t do pattern to idiomatic for k, v in pairs(t) do"
    },
    {
      "anchor": "op-add-pcall-wrapper",
      "name": "add-pcall-wrapper",
      "category": "Refactor",
      "description": "Wrap function call in pcall for error safety"
    },
    {
      "anchor": "op-convert-global-to-local",
      "name": "convert-global-to-local",
      "category": "Refactor",
      "description": "Convert global variable to local with proper scope"
    },
    {
      "anchor": "op-convert-table-operation-to-built-in",
      "name": "convert-table-operation-to-built-in",
      "category": "Refactor",
      "description": "Replace manual table append pattern (t[#t+1]=v) with table.insert()"
    },
    {
      "anchor": "op-convert-to-method-call",
      "name": "convert-to-method-call",
      "category": "Refactor",
      "description": "Convert function call to method call syntax"
    },
    {
      "anchor": "op-convert-to-string-library",
      "name": "convert-to-string-library",
      "category": "Refactor",
      "description": "Normalise string method-call syntax (s:method()) to string.* stdlib form"
    },
    {
      "anchor": "op-convert-to-table-library",
      "name": "convert-to-table-library",
      "category": "Refactor",
      "description": "Replace manual table operations with table.* stdlib functions"
    },
    {
      "anchor": "op-extract-function",
      "name": "extract-function",
      "category": "Refactor",
      "description": "Extract code block into new function"
    },
    {
      "anchor": "op-extract-table",
      "name": "extract-table",
      "category": "Refactor",
      "description": "Extract a table literal into a named local variable"
    },
    {
      "anchor": "op-extract-variable",
      "name": "extract-variable",
      "category": "Refactor",
      "description": "Extract expression into local variable"
    },
    {
      "anchor": "op-extract-function",
      "name": "extract_function",
      "category": "Refactor",
      "description": "Extract a code selection into a new function \u2014 automatically infers parameters, return types, and inserts the call site. Use instead of manually cutting/pasting code. Works without LSP; LSP improves type inference. Params: file (string), new_name (string), start_line (u32), start_column (u32), end_line (u32), end_column (u32) [, preview (bool)]"
    },
    {
      "anchor": "op-extract-variable",
      "name": "extract_variable",
      "category": "Refactor",
      "description": "Extract an expression into a named variable \u2014 inserts the declaration and replaces the expression with the variable name. Works without LSP. Params: file (string), new_name (string), start_line (u32), start_column (u32), end_line (u32), end_column (u32) [, preview (bool)]"
    },
    {
      "anchor": "op-generate-class-pattern",
      "name": "generate-class-pattern",
      "category": "Refactor",
      "description": "Generate class-like table with methods and instance variables using metatables"
    },
    {
      "anchor": "op-generate-enum-table",
      "name": "generate-enum-table",
      "category": "Refactor",
      "description": "Generate enum-like table with named constants and sequential integer values"
    },
    {
      "anchor": "op-generate-error-handler",
      "name": "generate-error-handler",
      "category": "Refactor",
      "description": "Generate error handling wrapper function using xpcall"
    },
    {
      "anchor": "op-generate-iterator-function",
      "name": "generate-iterator-function",
      "category": "Refactor",
      "description": "Generate custom iterator function for for...in usage"
    },
    {
      "anchor": "op-generate-module-exports",
      "name": "generate-module-exports",
      "category": "Refactor",
      "description": "Generate explicit module export assignments for all unexported functions"
    },
    {
      "anchor": "op-generate-module-scaffold",
      "name": "generate-module-scaffold",
      "category": "Refactor",
      "description": "Generate a standard Lua module scaffold with metadata fields"
    },
    {
      "anchor": "op-inline",
      "name": "inline",
      "category": "Refactor",
      "description": "Inline a variable, function, or method \u2014 replace every usage with its definition body, then remove the original. The inverse of extract. Works without LSP (single-file); LSP enables cross-file inlining. Params: file (string), symbol (string) [, line (u32), preview (bool)]"
    },
    {
      "anchor": "op-inline-variable",
      "name": "inline-variable",
      "category": "Refactor",
      "description": "Inline local variable into call sites"
    },
    {
      "anchor": "op-insert-body",
      "name": "insert_body",
      "category": "Refactor",
      "description": "Replace a function's implementation body with new code. AST-validated \u2014 rejects if the result has parse errors, so you can't accidentally break syntax. Use instead of manual text editing for function rewrites. Params: file (string), symbol (string), code (string) [, commit (bool)]"
    },
    {
      "anchor": "op-invert-conditional",
      "name": "invert-conditional",
      "category": "Refactor",
      "description": "Invert if-else structure and negate condition"
    },
    {
      "anchor": "op-move-symbol",
      "name": "move_symbol",
      "category": "Refactor",
      "description": "Move a function, class, or type to a different file and automatically update all imports across the codebase. Use instead of manually cut/paste + fixing imports. Works without LSP (single-file); LSP enables cross-file import updates. Params: file (string), symbol (string), destination (string) [, preview (bool)]"
    },
    {
      "anchor": "op-remove-dead-code",
      "name": "remove-dead-code",
      "category": "Refactor",
      "description": "Remove unreachable code after return or break statement"
    },
    {
      "anchor": "op-remove-local-keyword",
      "name": "remove-local-keyword",
      "category": "Refactor",
      "description": "Remove local keyword when not needed"
    },
    {
      "anchor": "op-remove-unused-function",
      "name": "remove-unused-function",
      "category": "Refactor",
      "description": "Remove function definitions that are never called in the module"
    },
    {
      "anchor": "op-remove-unused-parameter",
      "name": "remove-unused-parameter",
      "category": "Refactor",
      "description": "Remove function parameters that are never referenced in the body"
    },
    {
      "anchor": "op-remove-unused-variable",
      "name": "remove-unused-variable",
      "category": "Refactor",
      "description": "Remove local variable declarations that are never used"
    },
    {
      "anchor": "op-rename",
      "name": "rename",
      "category": "Refactor",
      "description": "Rename a symbol and automatically update ALL references across the codebase. Safer and faster than find-and-replace \u2014 AST-aware, won't rename strings or comments. Works without LSP (single-file); LSP enables cross-file renames. Params: file (string), old_name (string), new_name (string) [, line (u32), column (u32), preview (bool)]"
    },
    {
      "anchor": "op-rename-identifier",
      "name": "rename-identifier",
      "category": "Refactor",
      "description": "Rename variable, function, or table field across references"
    },
    {
      "anchor": "op-simplify-conditional",
      "name": "simplify-conditional",
      "category": "Refactor",
      "description": "Simplify if block with always-true or always-false literal condition"
    },
    {
      "anchor": "op-analyze-chokepoints",
      "name": "analyze_chokepoints",
      "category": "Analysis",
      "description": "Find files that act as critical bottlenecks \u2014 high betweenness centrality in the dependency graph (R4). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-clusters",
      "name": "analyze_clusters",
      "category": "Analysis",
      "description": "Identify tightly coupled groups of files using community detection. Use to discover natural module boundaries and understand which files change together. Params: none [, granularity (string), min_size (u32), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-cohesion",
      "name": "analyze_cohesion",
      "category": "Analysis",
      "description": "Measure intra-module cohesion for each file \u2014 ratio of internal to total symbol edges (H2). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-coupling",
      "name": "analyze_coupling",
      "category": "Analysis",
      "description": "Measure coupling per file \u2014 how many files depend on it (afferent) vs how many it depends on (efferent), plus instability and abstractness scores. Use to find the most critical/fragile files. Params: none [, granularity (string), sort (string), threshold (f64), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-cycle-risk",
      "name": "analyze_cycle_risk",
      "category": "Analysis",
      "description": "Score each circular dependency cycle by its external risk surface (R6 circular risk zones analysis). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-cycles",
      "name": "analyze_cycles",
      "category": "Analysis",
      "description": "Find circular dependency chains in the codebase. Use to identify import cycles that cause build issues or indicate architecture problems. Params: none [, granularity (string), max_length (u32), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-dead-code",
      "name": "analyze_dead_code",
      "category": "Analysis",
      "description": "Find dead code \u2014 functions, classes, and types that are never referenced from any entry point. Use before cleanup to safely identify what can be deleted. Params: none [, entry (string[]), granularity (string), include_tests (bool), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-depth",
      "name": "analyze_depth",
      "category": "Analysis",
      "description": "Compute longest transitive dependency chain per file (S4 dependency depth analysis). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-entry-points",
      "name": "analyze_entry_points",
      "category": "Analysis",
      "description": "Detect entry points: main functions, HTTP routes, CLI commands, event listeners, test files (S5). Params: none [, include (string[]), exclude (string[])]."
    },
    {
      "anchor": "op-analyze-export",
      "name": "analyze_export",
      "category": "Analysis",
      "description": "Export the full semantic graph (files, symbols, dependencies) in JSON, DOT (Graphviz), or CSV format. Use for visualization or external analysis. Params: none [, format (string), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-extraction",
      "name": "analyze_extraction",
      "category": "Analysis",
      "description": "Score clusters for service or package extraction viability (M2 extraction candidates analysis). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-fan-balance",
      "name": "analyze_fan_balance",
      "category": "Analysis",
      "description": "Compute fan-in/fan-out imbalance for migration ordering guidance (M6 fan balance analysis). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-features",
      "name": "analyze_features",
      "category": "Analysis",
      "description": "Inventory language-specific AST features used in the codebase \u2014 async, generics, decorators, etc. (M3). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-hotspots",
      "name": "analyze_hotspots",
      "category": "Analysis",
      "description": "Rank files by composite complexity score \u2014 max cyclomatic complexity, statement count, nesting depth (H1). Params: none [, top_n (u32), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-impact",
      "name": "analyze_impact",
      "category": "Analysis",
      "description": "Compute change impact for a target file \u2014 finds all files directly and transitively depending on it (R1). Params: target (string) [, max_depth (u32), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-inconsistencies",
      "name": "analyze_inconsistencies",
      "category": "Analysis",
      "description": "Detect inconsistent abstractions \u2014 sibling files in the same directory that diverge from the group's structural pattern (H5). Params: none [, include (string[]), exclude (string[])]."
    },
    {
      "anchor": "op-analyze-inheritance",
      "name": "analyze_inheritance",
      "category": "Analysis",
      "description": "Detect tangled inheritance \u2014 deep hierarchies (>N levels) and diamond inheritance (H6). Params: none [, include (string[]), exclude (string[])]."
    },
    {
      "anchor": "op-analyze-interface-bloat",
      "name": "analyze_interface_bloat",
      "category": "Analysis",
      "description": "Detect interface bloat \u2014 files where the public API is disproportionately large relative to implementation (H3). Params: none [, include (string[]), exclude (string[])]."
    },
    {
      "anchor": "op-analyze-interfaces",
      "name": "analyze_interfaces",
      "category": "Analysis",
      "description": "Map cross-module interfaces \u2014 symbols that cross directory-module boundaries, ranked by interface width (M4). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-layers",
      "name": "analyze_layers",
      "category": "Analysis",
      "description": "Detect architectural layers from directory names and find dependency direction violations (S1+S2). Params: none [, detect_only (bool), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-orphan-types",
      "name": "analyze_orphan_types",
      "category": "Analysis",
      "description": "Find type definitions used exclusively outside their defining directory (H4 orphan types analysis). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-patterns",
      "name": "analyze_patterns",
      "category": "Analysis",
      "description": "Find code smells \u2014 god functions, deep nesting, high coupling, and other structural issues. Use to identify refactoring targets or assess code quality. Params: none [, tier (string), pattern (string), file (string), severity (string), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-platform-deps",
      "name": "analyze_platform_deps",
      "category": "Analysis",
      "description": "Detect platform-specific API usage by scanning imports (M5 platform dependencies analysis). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-readiness",
      "name": "analyze_readiness",
      "category": "Analysis",
      "description": "Compute migration readiness scores per file \u2014 composite of complexity, coupling, porting blockers (M1). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-roles",
      "name": "analyze_roles",
      "category": "Analysis",
      "description": "Classify files by architectural role: entry point, routing, business logic, data access, config, test, utility, types, generated (S3). Params: none [, include (string[]), exclude (string[])]."
    },
    {
      "anchor": "op-analyze-seams",
      "name": "analyze_seams",
      "category": "Analysis",
      "description": "Find the natural boundaries between file clusters \u2014 the narrowest points where groups of files communicate. Use to identify where to split modules or add API boundaries. Params: none [, min_cluster_size (u32), max_seam_width (u32), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-stability",
      "name": "analyze_stability",
      "category": "Analysis",
      "description": "Compute stability index (R2) and detect stable dependency violations (R3) \u2014 flags edges where stable modules depend on unstable ones. Params: none [, index_only (bool), include (string[]), exclude (string[])]."
    },
    {
      "anchor": "op-analyze-surface",
      "name": "analyze_surface",
      "category": "Analysis",
      "description": "Measure API surface area \u2014 count exposed functions, types, and complexity at a module boundary. Use to assess whether an API is too large or leaky. Params: none [, boundary (string), files (string), include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-test-gaps",
      "name": "analyze_test_gaps",
      "category": "Analysis",
      "description": "Detect source files with no or partial test coverage based on graph import analysis (R5). Params: none [, include (string[]), exclude (string[])]. Use include/exclude to restrict the scan scope (e.g. include=[\"crates\"], exclude=[\"corpus\"])."
    },
    {
      "anchor": "op-analyze-type-completeness",
      "name": "analyze_type_completeness",
      "category": "Analysis",
      "description": "Analyze type boundary completeness \u2014 detect 'any' types, untyped parameters, missing return types at exported function boundaries (M7). Params: none [, include (string[]), exclude (string[])]."
    }
  ]
}