[trace-mcp]

Supported frameworks & languages

Languages (81)

The list below says which languages are supported. It does not say how deep each one goes, and the spread is wide — some get a full AST and a call graph, others get symbol extraction only. The language capability matrix has the per-language breakdown: parser, import edges, call edges, type edges, and whether a test covers the plugin.

Tree-sitter (full AST parsing)

Language What’s extracted
PHP Classes, interfaces, traits, enums, functions, methods, properties, constants, namespaces
TypeScript / JavaScript Functions, classes, variables, types, interfaces, enums, exports, JSX/TSX
Python Functions, classes, decorators, attributes, module variables
Go Functions, methods, types (structs, interfaces), constants, variables, packages
Java Classes, interfaces, enums, annotation types, methods, fields
Kotlin Classes, functions, properties
Ruby Classes, modules, methods, constants
Rust Functions, structs, enums, traits, impl blocks, macros, constants, modules
C Functions, structs, enums, unions, typedefs, macros, global variables
C++ Classes, structs, namespaces, enums, functions, methods, templates, type aliases
C# Namespaces, classes, interfaces, structs, enums, records, delegates, methods, properties
Scala Classes, objects, traits, enums, case classes, methods, vals, type aliases, given instances
Vue SFC Components, script setup symbols, template analysis
HTML Script/link references, meta tags, form elements, custom elements
Astro Components, frontmatter script block, props
Prisma schema Models, fields, relations, enums
GraphQL Types, queries, mutations, resolvers, fragments
Solidity Contracts, functions, modifiers, events, structs

Regex-based (symbol extraction)

Language What’s extracted
CSS / SCSS / SASS / LESS Custom properties, classes, IDs, mixins, keyframes, font-face
Swift Classes, structs, enums, protocols, functions, properties, typealiases
Dart Classes, mixins, enums, functions, getters/setters, factory constructors
Objective-C Classes, protocols, methods (full selectors), properties, C functions
Elixir Modules, functions, macros, guards, type specs, callbacks
Erlang Modules, exported functions, records, macros, type specs
Haskell Modules, data types, type classes, type signatures, instances
Gleam Functions, types, constants
Scala Packages, case classes, objects, traits, enums, defs, vals
Groovy Classes, interfaces, enums, traits, methods
Bash Functions, readonly/exported constants
Lua Functions, module methods, local variables
Perl Subroutines, packages
GDScript Functions, classes, enums, signals, constants, variables
R Functions, S4 classes/generics/methods
Julia Functions, structs, modules, macros, constants
Nix Attribute bindings, function definitions
SQL Tables, views, functions, procedures, triggers, CTEs, schemas, types
HCL / Terraform Resources, data sources, modules, variables, outputs, providers
Protocol Buffers Messages, enums, services, RPCs
XML / XUL / XSD Root element, id/name attributes, namespaces, XSD types, XSLT templates
YAML Top-level keys
JSON First-level keys
TOML Tables, array-of-tables, key-value bindings
Assembly Labels, procedures, macros, equates, sections, directives
Fortran Subroutines, functions, modules, programs, types
AutoHotkey Functions, classes, static methods
Verse (UEFN) Classes, methods, properties, variables
AL (Business Central) Tables, pages, codeunits, enums, procedures, triggers
Blade (Laravel) Sections, components, slots, includes, extends
EJS Functions, constants (from scriptlet blocks)
Zig Functions, structs, enums, unions, constants, variables, test declarations
OCaml Let/val bindings, type definitions, modules, classes, exceptions
Clojure defn, def, defmacro, defprotocol, defrecord, deftype, ns declarations
F# Let bindings, members, type definitions, modules, exceptions
Elm Functions, type aliases, custom types, ports, modules
CUDA Kernels (global), device/host functions, structs, constant/shared vars
COBOL PROGRAM-ID, divisions, sections, paragraphs, data items (01–77 levels), conditions (88)
Verilog / SystemVerilog Modules, interfaces, packages, classes, functions, tasks, parameters
GLSL Functions, structs, uniforms, varyings, layout qualifiers, constants
Meson Projects, executables, libraries, dependencies, custom targets, subdirs
Vim Script Functions, commands, variables (g:/s:/b:), augroups
Common Lisp defun, defmacro, defclass, defstruct, defpackage, defvar, defconstant
Emacs Lisp defun, defmacro, defvar, defcustom, defconst, define-*-mode, defgroup
Dockerfile FROM stages, ARG/ENV declarations, EXPOSE ports, ENTRYPOINT/CMD
Makefile Targets, variable definitions, define blocks, .PHONY
CMake Functions, macros, projects, add_executable/add_library, options
INI / Config Sections, key-value pairs (.ini, .cfg, .conf, .properties, .editorconfig)
Svelte Props (export let / $props), reactive declarations, runes ($state/$derived), snippets
Markdown Headings (h1–h4), link definitions, code block languages
MATLAB / Octave Functions, classdef, properties blocks, global/persistent variables
Lean 4 def, theorem, lemma, structure, class, inductive, abbrev, namespace
FORM Symbols, indices, vectors, functions, tables, procedures, modules
Magma Functions, procedures, intrinsics, types, records
Wolfram / Mathematica Function definitions (SetDelayed), packages, usage strings, options
Pascal / Delphi Units, classes, interfaces, procedures, functions
Ada Packages, procedures, functions, types, tasks
PowerShell Functions, cmdlets, modules, parameters
Apex Classes, interfaces, triggers, methods
PL/SQL Packages, procedures, functions, triggers, types
Nim Procs, types, modules, templates
Tcl Procs, namespaces, variables
D Modules, classes, structs, functions

Backend frameworks

Framework What’s extracted
Laravel Routes, controllers, Eloquent relations, migrations, FormRequests, events/listeners, middleware, broadcasting
Laravel Livewire Components, properties, actions, events, views, child components
Laravel Nova Resources, fields, actions, filters, lenses, metrics
Filament Resources, relation managers, panels, widgets
Spatie Laravel Data Data objects, transformations
Laravel Pennant Feature flag definitions
Django Models, URL patterns, views (CBV + FBV), admin registrations, signals, forms
Django REST Framework Serializers, ViewSets, API endpoints
FastAPI Route definitions, path/query parameters, request models
Flask Routes, blueprints, request handlers
Express Routes, middleware, error handlers, param handlers
NestJS Controllers, modules, services, decorators, DI tree
Fastify Routes, hooks, plugins
Hono Routes, middleware
Next.js API routes, pages, getServerSideProps, getStaticProps
Rails Routes, controllers, models, migrations, associations
Spring Beans, controllers, services, JPA entities
tRPC Routers, procedures, type definitions

Frontend frameworks

Framework What’s extracted
Vue Components (Options + Composition API), defineProps, defineEmits, composables, render trees
Nuxt File-based routing, auto-imports, useFetch / useAsyncData, server API routes, layouts, middleware
React Components (functional + class), hooks, props
React Native Native components, navigation patterns, screens, deep links, platform variants
Blade @extends, @include, @component, <x-*> directives, template inheritance
Inertia.js Inertia::render() calls, controller ↔ Vue page mapping, prop extraction & validation

UI component libraries

Library What’s extracted
shadcn/ui Component registry, CVA/TV variant definitions, Radix primitive composition, sub-component exports
Nuxt UI Theme overrides from app.config.ts, UForm schemas, Tailwind Variants (tv()) definitions, color mode
Material-UI Component usage, theme customization
Ant Design Component usage patterns
Headless UI Unstyled component composition

Data & ORM

Library What’s extracted
Eloquent (Laravel) Models, relationships, scopes, casts, schema from migrations
Prisma Data models from schema.prisma, relations
TypeORM Entities, relations, repositories
Drizzle Schema definitions, table relations
Sequelize Models, associations, migrations
Mongoose Schemas, models, middleware
SQLAlchemy ORM models, relationships, columns, constraints

Validation & schema

Library What’s extracted
Zod Schema definitions, type inference
Pydantic BaseModel subclasses, field types, ORM mode references

API & realtime

Library What’s extracted
GraphQL Schemas, resolvers, type definitions
Socket.io Event handlers, namespaces, rooms

State management

Library What’s extracted
Zustand Store definitions, actions, selectors

Tooling & automation

Plugin What’s extracted
Celery Task definitions, routing, schedules
n8n Workflow nodes, connections, parameters, credentials
Data fetching React Query, SWR — query hooks, mutations, cache config
Testing Playwright, Cypress, Jest, Vitest, Mocha — test suites, fixtures

Last updated: August 30, 2026