yearningss/gamemaker-mcp

tools

• gm_asset_list

  Filtered and paginated asset index

• gm_asset_read

  Asset metadata plus related GML/shader sources and hashes

• gm_asset_rename

  Safely rename any asset on disk, in YYP/YY metadata, and refactor all GML references project-wide

• gm_code_search

  Literal or regex GML/GLSL search

• gm_compile_sync

  Synchronous Windows VM compile through Igor.exe

• gm_dependency_graph

  Asset dependencies, evidence, isolated nodes, and cycles

• gm_doc_export

  Generate structured Markdown documentation for all project assets

• gm_draw_state_audit

  Audit Draw events for GPU state leaks (blendmodes, alpha, shader state)

• gm_file_list

  Filtered project file list with size/time and bounded hashing

• gm_file_read

  Allowed text content plus SHA-256

• gm_folder_create

  Create or repair an asset-browser folder/YPP entry

• gm_gml_analyze

  Functions, symbols, calls, complexity, delimiter errors, and risky patterns

• gm_gml_docgen

  Generate Feather-compliant JSDoc headers (/// @function, /// @param, /// @returns)

• gm_gml_duplicate_find

  Scan project GML files to detect identical contiguous code blocks across assets

• gm_gml_patch

  Exact guarded replacement with expected match count

• gm_gml_patch_preview

  Exact replacement count and changed-line preview without writing

• gm_gml_profile_check

  Scan Step/Draw events & loops for CPU/memory anti-patterns

• gm_gml_validate_snippet

  Preflight GML code for syntax delimiter balance and deprecated builtins

• gm_gml_write

  Atomic guarded GML write

• gm_i18n_scan

  Scan GML code for hardcoded string literals and suggest localization keys

• gm_note_create

  Create a new GameMaker Note asset (notes/NoteName/NoteName.txt) with documentation text

• gm_note_inspect

  Read text documentation content, line count, file paths, and SHA-256 hash of a Note asset

• gm_note_update

  Guardedly update text content of a GameMaker Note asset with SHA-256 concurrency check

• gm_object_configure

  Set flags and sprite/mask/parent references

• gm_object_create

  Create a modern GMObject and YYP reference

• gm_object_event_read

  Read a common named event

• gm_object_event_read_raw

  Read any event by type/number/optional collision object

• gm_object_event_remove

  Remove a common named event; code deletion is opt-in

• gm_object_event_remove_raw

  Precisely remove any numeric/collision event

• gm_object_event_upsert

  Add or replace a common named event

• gm_object_events

  List events with stable keys, paths, hashes, and line counts

• gm_object_hierarchy

  Build object parent-child inheritance tree with inherited events

• gm_project_autofix

  Scan and automatically repair missing YYP references, missing shader files, and corrupted metadata

• gm_project_health_score

  Calculate 0-100% health score, grade (A+ to F), and recommendations

• gm_project_info

  Project identity, IDE/resource versions, asset counts, and room order

• gm_project_statistics

  Resource, file, line, complexity, shader, and dependency statistics

• gm_project_validate

  Structural YYP/YY/resource/event/shader validation

• gm_room_configure

  Guarded room size/persistence/view/volume update

• gm_room_creation_code_upsert

  Guarded room creation-code write/reference update

• gm_room_inspect

  Room settings, layers, instances, views, physics, and creation code

• gm_room_instance_add

  Place an object instance in a room at coordinates (X, Y) with scale, rotation, and layer selection

• gm_room_layer_add

  Add a new Instance, Background, Tilemap, or Asset layer to a room at specified depth and visibility

• gm_runtime_detect

  Installed runtimes and selected Igor toolchain

• gm_script_create

  Create script metadata and GML source

• gm_sequence_inspect

  Inspect Sequence tracks, length, playback speed, and keyframes

• gm_shader_analyze

  Entry points, declarations, varying compatibility, and portability diagnostics

• gm_shader_create

  Create shader metadata plus vertex/fragment stages

• gm_shader_inspect

  Stage hashes, uniforms, attributes, varyings, and interface issues

• gm_shader_update

  Guarded per-stage source update with preflight of both hashes

• gm_snapshot_create

  Create an integrity manifest and text payload snapshot

• gm_snapshot_inspect

  Verify and compare a snapshot

• gm_snapshot_list

  List saved snapshots

• gm_snapshot_restore

  Restore recorded files with integrity checks and backups

• gm_sound_create

  Create a new GameMaker Sound asset (.yy) linking sound audio files with compression and volume

• gm_sound_inspect

  Inspect sound audio group, compression type, sample rate, bit depth/rate, duration, and volume

• gm_sprite_create

  Create a new GameMaker Sprite asset (.yy) with configurable dimensions, origin, and texture group

• gm_sprite_inspect

  Inspect sprite origin (X/Y), collision mask mode, frames, speed, and texture group

• gm_state_machine_generate

  Generate a clean, struct-based GML Finite State Machine controller script (scr_state_machine)

• gm_symbol_references

  Declarations, calls, writes, reads, and optional metadata references

• gm_unused_assets

  Scan project for unreferenced sprites, sounds, scripts, fonts, paths, and objects