Extract the public API surface of a Go package, listing all exported functions, types, and interfaces. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when building integration layers, documenting public interfaces, or verifying exports. Do NOT use for private/unexported symbols (use gograph_node instead). COMPLETENESS: Requires 'package' parameter. Returns a clean summary of exported package API symbols. Example package: 'internal/search'.

Identify functions or methods that exceed a specified number of parameters (arity violation). BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to audit design parameters or identify functions that should be refactored into a parameter struct. Do NOT use for struct fields (use gograph_fields instead). COMPLETENESS: Optional 'threshold' value (defaults to 5). Returns a list of functions exceeding the target parameter count.

Verify package architecture constraints against boundaries.json to detect forbidden imports and illegal layer dependencies. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to check if packages conform to domain design constraints or to debug illegal import cycles and layered violations. Do NOT use for general dependency mapping (use gograph_deps instead). COMPLETENESS: Optional 'config' path. Returns a structured boundary compliance report listing authorized vs unauthorized dependencies.

Find and list all downstream functions or methods invoked from inside the specified caller function. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when you need to understand the downstream execution flow, dependencies, and external calls of a single function. Do NOT use if you want upstream callers (use gograph_callers instead). COMPLETENESS: Requires 'function' parameter. Returns a complete array of callees, including their package paths and signatures. Example function: 'Serve'.

Find and list all functions or methods that call the specified target function. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when performing impact analysis, tracing call hierarchies, or identifying who consumes a particular API. Do NOT use if you want downstream callees (use gograph_callees instead). COMPLETENESS: Requires 'function' parameter. Returns a structured list of calling function symbols and their exact file locations. Example function: 'BuildGraph'.

Discover the available gograph MCP tools, their purposes, recommended workflows, and limitations. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool first to understand what gograph can do. Do NOT call this tool repeatedly once capabilities are cached. COMPLETENESS: Returns a structured checklist of all 50 available tools, recommended agent workflows, and limitations.

Analyze structural changes and modifications in Go files compared to a specific git commit reference. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool during code reviews, pull request verification, or post-edit sessions to track structural diffs. Do NOT use for line diffs (use standard git diff instead). COMPLETENESS: Requires 'since' parameter. Returns changed symbol names, kinds, and paths. Example since: 'HEAD~1'.

Estimate and report cyclomatic complexity metrics for Go functions, sorted from highest to lowest. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when auditing code quality, identifying high-maintenance functions, or planning refactoring of complex logic. Do NOT use for import dependency metrics (use gograph_deps instead). COMPLETENESS: Optional 'symbol' filter. Returns a structured complexity report indicating complexity numbers and severity labels. Example symbol: 'Build'.

Scan the codebase to locate all concurrency declarations (go channels, select statements, sync primitives, go routines). BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to trace asynchronous routines, verify race safety, or audit synchronization primitives. Do NOT use for standard linear execution flows. COMPLETENESS: Returns file locations, line coordinates, and types of all concurrency primitives detected.

Find factory and constructor functions that instantiate and return the specified Go struct. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when auditing object initialization patterns, looking for existing builder functions, or verifying correct struct instantiation. Do NOT use if you need struct fields (use gograph_fields instead). COMPLETENESS: Requires 'struct' parameter. Returns a detailed list of constructor function symbols, their file locations, and signatures, showing exactly how the target struct is built. Example struct: 'Graph'.

Build a highly condensed diagnostic context file for a set of target Go packages or symbols. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to summarize multiple packages for LLM consumption, reducing token overhead. Do NOT use for deep line-by-line reading (use gograph_source instead). COMPLETENESS: Returns a compact text summary of package structures, exported APIs, and type definitions. Example package: 'internal/search'.

Assess structural coupling and dependency ratios (Afferent vs Efferent coupling) for Go packages. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to evaluate package isolation, modularity strength, and stability indexes. Do NOT use for single function analysis (use gograph_complexity instead). COMPLETENESS: Returns afferent coupling (Ca), efferent coupling (Ce), and instability ratio (I) per package.

Find all downstream packages that depend on or import the specified target package. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to identify downstream impact before changing a public package interface. Do NOT use for direct callers of a single function (use gograph_callers instead). COMPLETENESS: Requires 'package' parameter. Returns concrete packages importing the target package. Example package: 'internal/graph'.

Render the package import dependency tree for a target Go package. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when mapping package interactions, auditing layer separation, or analyzing transitive import paths. Do NOT use for tracing raw usages of a symbol (use gograph_usages instead). COMPLETENESS: Requires 'package' parameter. Returns a structured package list showing direct or full transitive dependency chains. Example package: 'internal/search'.

Identify and list all parent structures that compositionally embed the specified target struct. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when analyzing struct nesting, identifying compositions, or tracing where shared types are embedded. Do NOT use if you are looking for interfaces implemented (use gograph_implementers instead). COMPLETENESS: Requires 'struct' parameter. Returns a detailed array of embedding parent structs and their file definitions. Example struct: 'Symbol'.

Audit and analyze HTTP route endpoints, handlers, and anonymous closure bodies. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to review HTTP interface definitions, verify request flow bindings, or audit handler implementations. Do NOT use for internal Go functions (use gograph_source instead). COMPLETENESS: Returns HTTP methods, paths, handler signatures, and handler bodies. Example package: 'cmd/gograph'.

Extract and audit all environment variables (os.Getenv, os.LookupEnv) referenced across the codebase. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when compiling configuration profiles, verifying env parameter bindings, or auditing configuration management. Do NOT use for magic constant literals (use gograph_literals instead). COMPLETENESS: Returns a structured list of env keys, their default fallbacks, and the file and line locations of the call.

Trace the flow and propagation of returned errors from a specific origin function. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when auditing error-handling completeness, locating unhandled errors, or tracing failure modes. Do NOT use for standard call graphs (use gograph_callers/callees instead). COMPLETENESS: Requires 'function' parameter. Returns error bubbling paths up the call chain. Example function: 'BuildGraph'.

Locate all explicit error creation points (errors.New, fmt.Errorf, sentinel definitions) inside the codebase. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when auditing error taxonomies, cataloging error codes, or standardizing error handling. Do NOT use to trace propagation paths (use gograph_errorflow instead). COMPLETENESS: Returns a structured checklist of all matched error creation spots, showing their file and line coordinates.

Generate high-fidelity explanations, downstream impacts, and documentation summaries for codebase symbols. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to construct technical documentation, onboard to complex implementations, or summarize logic for PRs. Do NOT use for line-by-line raw source code (use gograph_source instead). COMPLETENESS: Requires 'symbol' parameter. Returns a detailed semantic summary of the symbol's role, dependencies, and calls. Example symbol: 'BuildGraph'.

Extract all fields, types, and struct tags declared inside a specific Go struct. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when inspecting struct definitions, verifying struct layouts, mapping JSON/database tags, or generating serialization logic. Do NOT use if you are looking for struct methods (use gograph_node or gograph_source instead). COMPLETENESS: Requires 'struct' parameter. Returns field names, Go types, and exact struct tag string metadata, providing full visibility into struct fields without manual code viewing. Example struct: 'Graph'.

Locate and audit external data files, JSON payloads, or database seeds used inside test suites. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to trace test dependencies or catalog test datasets. Do NOT use for active test functions (use gograph_tests instead). COMPLETENESS: Returns a structured checklist of all referenced testing datasets and their file paths.

Extract targeted call-graph and dependency context for a single Go package. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when you need to understand the architecture, files, internal calls, and dependencies of a specific package directory before making edits. Do NOT use for global searches (use gograph_query instead). COMPLETENESS: Requires 'package' parameter. Returns a detailed listing of all files, defined symbols, calls, and internal dependencies within the target package. Example package: 'internal/search'.

Audit all global variable declarations, shared package states, and constants defined inside the repository. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to discover mutable global state, check config values, or identify thread-safety hazards. Do NOT use for local scope variables. COMPLETENESS: Returns a structured checklist of all global variables, constants, package paths, and types.

Detect God Object code smells by analyzing structural sizes, method counts, and references. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when auditing architectural modularity or identifying monolithic structs that should be refactored. Do NOT use for general struct layout checks (use gograph_fields instead). COMPLETENESS: Returns concrete structs exceeding target field or method count limits.

Locate code hotspots by combining structural call complexity and incoming dependency metrics. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when conducting performance audits, locating architectural coupling hotspots, or planning structural simplification. Do NOT use for single-package metrics (use gograph_focus instead). COMPLETENESS: Returns a prioritized list of hotspot packages, complexity counts, and caller metrics.

Traverse the call graph backwards to find all symbols that eventually call the target (blast radius). BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to determine the blast radius of a sensitive core component before refactoring. Do NOT use for direct callers only (use gograph_callers instead). COMPLETENESS: Supports single symbol, uncommitted changes, or since a git ref. Returns a transitive list of all upstream affected symbols. Example symbol: 'BuildGraph'.

Find all structs in the codebase that implement the specified interface via Go duck-typing. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when tracing polymorphism, identifying dependency injection structures, or locating mock implementations. Do NOT use if you are looking for struct fields (use gograph_fields instead). COMPLETENESS: Requires 'interface' parameter. Returns a detailed list of implementing concrete structs and their package file locations. Example interface: 'error'.

Find all files and packages that import a specific internal or third-party package. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when mapping package dependency relationships, isolating features, or tracing where third-party libraries are used. Do NOT use if you need a package's own imports (use gograph_deps instead). COMPLETENESS: Requires 'package' parameter. Returns a complete array of file paths and importing packages referencing the target import path. Example package: 'golang.org/x/tools'.

Audit and list all Go interface declarations, complete with their defined method signatures. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when mapping API abstractions, checking interface contracts, or reviewing modular design patterns. Do NOT use to find implementers (use gograph_implementers instead). COMPLETENESS: Returns all interface names, method signatures, package paths, and file locations.

Find all primitive literals (strings, integers, floats, booleans) matching a filter pattern. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to identify hardcoded magic values, config strings, or credentials. Do NOT use for raw database queries (use gograph_sql instead). COMPLETENESS: Optional 'type' filter (string/int). Returns a list of matched literals and their code positions. Example pattern: 'mcp'.

Identify and locate all test mocks, double definitions, and test-only helper structs. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to identify active mock wrappers or find test fixtures. Do NOT use for production interface implementers (use gograph_implementers instead). COMPLETENESS: Requires 'interface' parameter. Returns test/mock concrete structs implementing the specified interface. Example interface: 'error'.

Trace and audit all state-mutation and assignment points where a specific struct field gets modified. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when diagnosing state bugs, checking data mutability, or analyzing struct field lifetimes. Do NOT use for direct struct layouts (use gograph_fields instead). COMPLETENESS: Requires 'struct' and 'field' parameters. Returns file and line locations where the target field is assigned or updated. Example struct: 'Symbol', example field: 'Name'.

Extract full AST property details for any specific symbol, package, or file node in the repository graph. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when you need deep structural metadata including kinds, signatures, documentation, or exact file lines. Do NOT use if you need raw source code only (use gograph_source instead). COMPLETENESS: Requires 'name' parameter. Returns complete node properties and fields. Example name: 'Graph'.

Find functions and methods that are unreachable from any entry point (main, HTTP routes, exported symbols). BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when clean-up is needed or to locate dead code that should be purged from the repository. Do NOT use for checking specific symbol usages (use gograph_usages instead). COMPLETENESS: Returns a list of orphan symbols, their packages, and file definitions.

Trace and find the direct or transitive call paths connecting a starting source symbol to a target destination symbol. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when tracing synchronous control flow, debugging deadlocks, or mapping execution paths. Do NOT use if you only need direct callers (use gograph_callers instead). COMPLETENESS: Requires 'from' and 'to' parameters. Returns call chains connecting the two symbols. Example from: 'Serve', example to: 'BuildGraph'.

Analyze structural changes and dependencies to output a detailed refactoring execution plan. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool before making complex multi-file architectural changes or package refactoring. Do NOT use for trivial single-file edits. COMPLETENESS: Returns a step-by-step refactoring workflow detailing symbol modifications, dependency steps, and testing verification checklists.

Extract all public, exported symbols across the entire repository, categorized by package. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when building a high-level catalog of system services or creating integration boundaries. Do NOT use if you need internal private details (use gograph_node instead). COMPLETENESS: Returns a structured outline of all exported functions, structs, interfaces, and variables.

Search the Go repository for symbols, packages, files, or imports using a keyword term. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool during the initial exploration phase when you have a keyword or feature name but do not know which files or packages contain the relevant code. Do NOT use if you already know the exact symbol name (use gograph_source or gograph_node instead). COMPLETENESS: Returns a structured list of matching symbols, files, and imports, along with their location and kind. Example: 'Graph', 'Serve'.

Verify the patterns and coverage of return parameter usages and validation handling. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to check if returned parameters are properly inspected, validated, or captured after method invocations. Do NOT use for error flow bubbling (use gograph_errorflow instead). COMPLETENESS: Returns matched call locations and variable binding status.

Run an architectural consistency and design constraint review against defined code boundaries or specific symbols. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool during post-edit verification, CI pipelines, or refactoring phases to ensure new additions do not violate boundary limits. Do NOT use for general dependency tree listing (use gograph_deps instead). COMPLETENESS: Requires either 'symbol' or 'uncommitted' set to true. Returns a structured checklist of all rules evaluated, listing exact package paths and files violating architectural boundaries. Example symbol: 'Graph'.

Discover all registered HTTP routes and endpoints defined inside the codebase. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to map out the entire web API structure of a microservice or application. Do NOT use if you need downstream call details (use gograph_endpoint instead). COMPLETENESS: Returns a structured table of HTTP method/route paths mapped to Go handlers.

Locate Go structs that map to a specific database table or schema using struct tags like db or gorm. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when mapping ORM structures, tracing database model boundaries, or locating table schemas. Do NOT use for non-ORM Go structs (use gograph_fields instead). COMPLETENESS: Requires 'table' parameter. Returns concrete structs mapping to the specified table. Example table: 'users'.

Generate high-level skeletal outline structural abstractions of codebase files, excluding implementation details. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when you need to understand the skeleton structure of files quickly without reading massive line counts. Do NOT use if you need full function implementations (use gograph_source instead). COMPLETENESS: Returns a concise abstract list of struct schemas, function definitions, and interfaces.

Extract the exact Go source code body for a specific function, method, struct, or interface. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when you need to read the implementation details of a specific symbol without loading large files. Do NOT use if you need call hierarchies (use gograph_callers/gograph_callees instead). COMPLETENESS: Requires 'symbol' parameter. Returns the exact block of source code defining the target symbol, complete with line numbers. Example symbol: 'BuildGraph'.

Extract and analyze all raw SQL query literals, database touches, and transaction blocks inside the codebase. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when auditing database interactions, debugging database performance, or reviewing raw queries. Optional filter by keyword. Do NOT use for Go structs mapped to database tables (use gograph_schema instead). COMPLETENESS: Returns a list of matching SQL statements, their file and line locations, and the parent Go functions containing the database touch. Example term: 'SELECT'.

List all Go package dependencies that are currently stale and require rebuilding. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when verifying incremental build status, caching layers, or validating compilation health. Do NOT use if package dependencies are up to date. COMPLETENESS: Returns a list of stale package paths.

Generate comprehensive repository-level code statistics including total package counts, symbol frequencies, and imports. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to build high-level code density reports, trace total codebase sizes, or verify initial repository parsing health. Do NOT use for single symbol profiling (use gograph_node instead). COMPLETENESS: Returns total counts of files, lines, packages, structs, functions, and interfaces.

Find all unit tests, benchmark functions, and testing suites declared in Go test files. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool to identify existing test coverage or locate specific verification flows before running tests. Do NOT use for production code symbols (use gograph_node instead). COMPLETENESS: Returns test functions, target packages, and their file definitions.

Find all references and semantic usages of a specific function, struct, or variable across the codebase. BEHAVIOR & SAFETY: This is a 100% local, read-only static analysis tool. It has no side effects, requires no authorization or credentials, has no rate limits, and performs zero destructive modifications. USAGE GUIDELINES: Call this tool when renaming symbols, checking references, or identifying dead code usages. Do NOT use for AST metadata only (use gograph_node instead). COMPLETENESS: Requires 'symbol' parameter. Returns files and exact line locations containing references to the target symbol. Example symbol: 'BuildGraph'.