Which integrations are available for this server?

Provides tools for controlling OBS Studio, including scene management, input control, recording, streaming, filters, transitions, and more via obs-websocket.

How do I use obs-mcp?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@obs-mcp What is the current scene?" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

obs-mcp

by dearlordylord

Overview Schema Related Servers Score Discussions

TypeScript

Local

@firfi/obs-mcp

npm npm downloads License: MIT MCP TypeScript MCP Server

MCP server for OBS Studio automation and read-only resources through obs-websocket.

Installation

The standard configuration works with most MCP clients:

{
  "mcpServers": {
    "obs": {
      "command": "npx",
      "args": ["-y", "@firfi/obs-mcp@latest"],
      "env": {
        "OBS_WEBSOCKET_URL": "ws://localhost:4455"
      }
    }
  }
}

OBS_WEBSOCKET_URL can be omitted when OBS is available at ws://localhost:4455. Add OBS_WEBSOCKET_PASSWORD only when obs-websocket authentication is enabled.

Use Codex's MCP manager:

codex mcp add obs \
  --env OBS_WEBSOCKET_URL=ws://localhost:4455 \
  -- npx -y @firfi/obs-mcp@latest

With obs-websocket authentication enabled:

codex mcp add obs \
  --env OBS_WEBSOCKET_URL=ws://localhost:4455 \
  --env OBS_WEBSOCKET_PASSWORD=yourpassword \
  -- npx -y @firfi/obs-mcp@latest

Or add it directly to ~/.codex/config.toml:

[mcp_servers.obs]
command = "npx"
args = ["-y", "@firfi/obs-mcp@latest"]

[mcp_servers.obs.env]
OBS_WEBSOCKET_URL = "ws://localhost:4455"

claude mcp add obs \
  -e OBS_WEBSOCKET_URL=ws://localhost:4455 \
  -- npx -y @firfi/obs-mcp@latest

If OBS requires a websocket password, add -e OBS_WEBSOCKET_PASSWORD=yourpassword.

Add the standard config to your claude_desktop_config.json:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

Add with Command Palette -> "MCP: Add Server", or put this in a VS Code MCP config such as .vscode/mcp.json. Do not commit workspace config files that contain credentials.

{
  "servers": {
    "obs": {
      "command": "npx",
      "args": ["-y", "@firfi/obs-mcp@latest"],
      "env": {
        "OBS_WEBSOCKET_URL": "ws://localhost:4455"
      }
    }
  }
}

Add the standard config to ~/.cursor/mcp.json, or via Settings -> Tools & Integrations -> New MCP Server.

Add the standard config to your Windsurf MCP configuration file.

Open the global configuration file (~/.config/opencode/opencode.json) and merge this entry into your config:

{
  "mcp": {
    "obs": {
      "type": "local",
      "command": ["npx", "-y", "@firfi/obs-mcp@latest"],
      "environment": {
        "OBS_WEBSOCKET_URL": "ws://localhost:4455"
      }
    }
  }
}

Related MCP server: mcp-run-python

OBS Setup

OBS must have its websocket server enabled:

Open OBS Studio.
Go to Tools -> WebSocket Server Settings.
Enable the websocket server.
Keep the default port 4455, or set OBS_WEBSOCKET_URL to the port you choose.
If you enable authentication, set OBS_WEBSOCKET_PASSWORD in your MCP client config.

Updating

The @latest tag asks the package runner for the newest version. Some MCP clients keep server processes or resolved installs alive, so restart or re-add the server when updating:

Client	How to update
Codex	`codex mcp remove obs` then re-add with the install command above. If your password has shell-sensitive characters, edit `~/.codex/config.toml` directly instead.
Claude Code	`claude mcp remove obs` then re-add with the install command above.
Claude Desktop	Restart the app. It runs `npx` on startup.
VS Code / Cursor	Restart the MCP server from the command palette/configured client or reload the window.
OpenCode	Restart OpenCode or start a new session after config changes.
npx manual run	`npx -y @firfi/obs-mcp@latest`; the `-y` flag auto-confirms install prompts.

HTTP Transport

By default, the server uses stdio transport. For Streamable HTTP:

OBS_WEBSOCKET_URL=ws://localhost:4455 \
MCP_TRANSPORT=http \
npx -y @firfi/obs-mcp@latest

Server listens on http://127.0.0.1:3000/mcp by default.

Configure host and port with MCP_HTTP_HOST and MCP_HTTP_PORT:

MCP_TRANSPORT=http MCP_HTTP_PORT=8080 MCP_HTTP_HOST=127.0.0.1 npx -y @firfi/obs-mcp@latest

For exposed HTTP deployments, require a bearer token:

MCP_TRANSPORT=http \
MCP_HTTP_AUTH_TOKEN="$(openssl rand -hex 32)" \
npx -y @firfi/obs-mcp@latest

HTTP clients must then send:

Authorization: Bearer <MCP_HTTP_AUTH_TOKEN>

MCP_HTTP_AUTH_TOKEN protects only the MCP HTTP /mcp endpoint. It is unrelated to OBS_WEBSOCKET_PASSWORD, does not authenticate to OBS, and is not used by stdio deployments.

HTTP uses stateful Streamable HTTP sessions by default, so clients can subscribe to resource updates. Set MCP_HTTP_SESSION_MODE=stateless to preserve one-server-per-POST behavior for simple/raw clients. Stateless HTTP does not support resource subscriptions and continues to reject GET/DELETE with 405.

Environment Variables

Variable	Required	Description
`OBS_WEBSOCKET_URL`	No	OBS websocket URL. Defaults to `ws://localhost:4455`. Bare `host:port` values are normalized to `ws://host:port`.
`OBS_WEBSOCKET_PASSWORD`	Auth*	obs-websocket password.
`OBS_WEBSOCKET_CONNECTION_TIMEOUT`	No	OBS connection and request timeout in milliseconds. Defaults to `30000`.
`MCP_TRANSPORT`	No	Transport type: `stdio` (default) or `http`.
`MCP_HTTP_HOST`	No	HTTP bind host. Defaults to `127.0.0.1`.
`MCP_HTTP_PORT`	No	HTTP bind port. Defaults to `3000`.
`MCP_HTTP_AUTH_TOKEN`	No	Optional bearer token required by HTTP clients for `/mcp`.
`MCP_HTTP_SESSION_MODE`	No	HTTP session mode: `stateful` (default) or `stateless`.
`MCP_HTTP_SESSION_IDLE_TIMEOUT_MS`	No	Idle timeout for stateful HTTP sessions. Defaults to `1800000`.
`TOOLSETS`	No	Comma-separated tool categories to expose. Defaults to `general,record,scenes,inputs`. Use `all` to expose every supported category.
`OBS_EVENT_BUFFER_CAPACITY`	No	Maximum number of recent safe OBS events retained for `get_recent_obs_events`.
`OBS_MCP_SCREENSHOT_OUTPUT_DIR`	Screenshots*	Existing directory allowlist for `save_source_screenshot`.

*Auth: Required only when obs-websocket authentication is enabled in OBS.

*Screenshots: Required only for screenshot save tools. Screenshot reads do not require a directory.

Built-in Diagnostic Tools

get_version returns the current server version and latest npm version.

get_obs_context returns sanitized runtime/configuration context without connecting to OBS. It reports package version, transport, sanitized OBS websocket URL origin/host/protocol, timeout, enabled toolsets, and screenshot/event settings. Passwords, URL credentials, and other secret values are never returned.

Toolsets and Safety Policy

By default, the server exposes general, record, scenes, and inputs. Additional OBS areas are available through TOOLSETS.

Use TOOLSETS=all when you want the full supported OBS surface. Use a comma-separated allowlist such as TOOLSETS=general,scenes,inputs,events when an MCP client should only see a narrower tool surface.

MCP resources are always enabled when the underlying OBS websocket requests are available. TOOLSETS controls tools only; it does not hide read-only resources.

Some categories are intentionally opt-in:

Toolset	Why it is opt-in
`admin_raw`	Reads and writes OBS websocket persistent data slots. Values are JSON-safe and write responses do not echo written values.
`batch`	Runs schema-limited OBS request batches. `Sleep` is supported only as an official batch item; there is no standalone sleep tool or arbitrary raw batch tool.
`config`	Reads and changes global OBS profile, scene collection, video, recording directory, and stream service settings.
`events`	Exposes bounded recent-event snapshots and typed confirmation tools for OBS workflows. Vendor/custom and high-volume events are excluded from the safe event policy.
`screenshots`	Allows source screenshot reads, and optionally saves screenshots under an explicit output directory allowlist.
`ui`	Opens local OBS dialogs/projectors and changes Studio Mode state.
`vendor`	Calls plugin-defined vendor requests and broadcasts custom events. Payloads must be JSON-safe objects.

Diagnostics are written to stderr. Stdout is reserved for MCP JSON-RPC.

Payload and Settings Policy

Input settings follow obs-websocket's source-kind-specific contract: set_input_settings and create_input pass free-form inputSettings objects through verbatim, and input discovery tools return raw defaults, current settings, and property-list values so callers can discover valid keys on the current OBS install. Filter settings, output settings, and screenshots still use explicit MCP boundary schemas instead of raw object passthroughs. Screenshot reads return bounded base64 data with MIME and byte metadata, while screenshot saves require the screenshots toolset plus an existing OBS_MCP_SCREENSHOT_OUTPUT_DIR allowlist.

Tool results use MCP structured content rather than textified JSON. Relevant tool calls also include MCP resource links so clients can reread current state through the matching resource.

Resources

Resources expose read-only OBS state as JSON. They are filtered by the request types OBS advertises during the websocket handshake. On transports that advertise resources.subscribe, clients can subscribe with standard MCP update notifications. Update notifications are reread signals; they do not push OBS payloads. Stateless HTTP exposes resource reads but does not advertise subscriptions.

Static resources:

URI	Description
`obs://state/current`	Aggregate OBS version, client capability, scene, output, recording, streaming, and transition state when available.
`obs://scenes`	Current program/preview scenes and ordered scene summaries.
`obs://inputs`	Current OBS input/source summaries.
`obs://recording`	Current recording output status.
`obs://streaming`	Current stream output status.
`obs://outputs`	Current OBS output summaries.
`obs://config`	Sanitized video, recording directory, stream service, profile, and scene collection configuration when available.
`obs://profiles`	Current profile and profile names.
`obs://scene-collections`	Current scene collection and scene collection names.
`obs://canvases`	OBS canvas inventory when supported by OBS.
`obs://transitions`	Transition inventory, current transition, cursor, and kinds when available.
`obs://hotkeys`	OBS hotkey names.
`obs://events/recent`	Recent safe OBS events retained by this server process.
`obs://screenshots/latest`	Latest screenshot metadata captured by this server process, or `null` before one is captured.

Resource templates:

Template	Description
`obs://scenes/by-name/{sceneName}`	Scene summary, scene items, and transition override for a URL-encoded scene name.
`obs://inputs/by-name/{inputName}`	Input summary plus optional audio, settings, mute, and volume details for a URL-encoded input name.
`obs://outputs/by-name/{outputName}`	Output summary plus optional status and sanitized settings for a URL-encoded output name.
`obs://filters/{sourceName}`	Source filter list for a URL-encoded source name.
`obs://media/by-name/{inputName}`	Media input status and raw settings for a URL-encoded input name.

Available Tools

TOOLSETS categories: batch, general, events, canvases, config, scenes, screenshots, filters, inputs, outputs, record, stream, transitions, ui, admin_raw, vendor

Batch

Tool	Description
`run_obs_request_batch`	Run a schema-limited OBS request batch with optional batch-only Sleep items. Exposed only by the batch toolset; arbitrary raw request batches and standalone sleep are not exposed.

General

Tool	Description
`get_obs_context`	Return sanitized OBS MCP runtime context without secrets.
`get_version`	Return OBS Studio, obs-websocket, negotiated RPC, request, image, and platform capability information.
`get_obs_stats`	Return current OBS, obs-websocket, render, output, CPU, memory, and disk statistics.
`list_hotkeys`	Return OBS hotkey names. OBS hotkeys are best-effort; dedicated OBS requests are usually more reliable when available.
`trigger_hotkey_by_name`	Trigger an OBS hotkey by name. OBS hotkeys are best-effort; prefer dedicated OBS requests for reliable actions when available.
`trigger_hotkey_by_key_sequence`	Trigger an OBS hotkey by bounded key sequence. OBS hotkeys are best-effort; prefer dedicated OBS requests for reliable actions when available.

Events

Tool	Description
`get_recent_obs_events`	Return recent buffered safe OBS events with optional category filters and explicit ordering.
`confirm_obs_output_lifecycle`	Wait for a typed OBS output lifecycle outcome after a known event sequence cursor.
`confirm_obs_scene_graph_change`	Wait for a typed OBS scene graph or scene-item outcome after a known event sequence cursor.
`confirm_obs_source_filter_change`	Wait for a typed OBS source-filter workflow outcome after a known event sequence cursor.
`confirm_obs_media_input_workflow`	Wait for a typed OBS media input playback or action outcome after a known event sequence cursor.
`confirm_obs_transition_workflow`	Wait for a typed OBS transition configuration or lifecycle outcome after a known event sequence cursor.
`confirm_obs_input_audio_change`	Wait for a typed OBS input audio control outcome after a known event sequence cursor.
`confirm_obs_input_identity_change`	Wait for a typed OBS input removal or rename event after a known event sequence cursor.
`confirm_obs_canvas_inventory_change`	Wait for a typed OBS canvas creation, removal, or rename event after a known event sequence cursor.
`confirm_obs_studio_mode_state_change`	Wait for a typed OBS studio-mode enabled or disabled event after a known event sequence cursor.
`confirm_obs_config_workflow`	Wait for a typed OBS profile or scene-collection config outcome after a known event sequence cursor.

Canvases

Tool	Description
`list_canvases`	Return stable OBS canvas summaries without exposing raw canvas objects.

Configuration

Tool	Description
`list_profiles`	Return current OBS profile name and all available profile names.
`list_scene_collections`	Return current OBS scene collection name and all available scene collection names.
`get_profile_parameter`	Return a current OBS profile parameter value and default value by category and name.
`get_record_directory`	Return OBS' configured recording directory as an opaque string without filesystem access.
`set_record_directory`	Global OBS state change: set OBS' recording directory as an opaque string without local filesystem checks.
`get_video_settings`	Return OBS base/output canvas dimensions and FPS numerator/denominator.
`set_video_settings`	Global OBS state change: set OBS video dimensions and FPS; base, output, and FPS fields must be paired.
`get_stream_service_settings`	Return OBS stream destination settings with stream keys redacted; rtmp_custom reports keyConfigured only.
`set_stream_service_settings`	Global OBS state change: set stream destination settings; rtmp_custom accepts server/key but responses redact keys.
`set_current_profile`	Global OBS state change: switch the current OBS profile to a non-empty existing profile name.
`create_profile`	Global OBS state change: create a non-empty OBS profile name and switch OBS to that profile.
`remove_profile`	Global OBS state change: remove a non-empty OBS profile name; OBS may switch profiles first.
`set_current_scene_collection`	Global OBS state change: switch the current OBS scene collection to a non-empty existing name.
`create_scene_collection`	Global OBS state change: create a non-empty OBS scene collection name and switch OBS to it.
`set_profile_parameter`	Global OBS state change: set or delete a current profile parameter by category and name.

Scenes

Tool	Description
`list_scenes`	Return current program and preview scenes plus ordered scene summaries.
`list_groups`	Return OBS group names. OBS groups are represented as specialized scenes.
`get_current_scene`	Return the current OBS program scene name and UUID when OBS provides one.
`get_current_preview_scene`	Return the current OBS Studio Mode preview scene name and UUID when preview is available.
`set_current_scene`	Switch the current OBS program scene by scene name.
`set_current_preview_scene`	Set the OBS Studio Mode preview scene by scene name or UUID. OBS returns an error when preview is unavailable.
`create_scene`	Create an empty OBS scene by name and return its UUID when OBS provides one.
`remove_scene`	Remove an OBS scene selected by name or UUID.
`set_scene_name`	Rename an OBS scene selected by name or UUID.
`get_scene_transition_override`	Return the per-scene transition override name and duration, or nulls when no override is set.
`set_scene_transition_override`	Set, update, or clear a per-scene transition override name and duration.
`list_scene_items`	Return ordered scene item summaries for a scene selected by name or UUID.
`list_group_scene_items`	Return ordered scene item summaries for a group selected by name or UUID.
`create_scene_item`	Add an existing source to a scene and return the new scene item ID when OBS provides one.
`remove_scene_item`	Remove a scene item from a scene by scene item ID.
`duplicate_scene_item`	Duplicate a scene item into the same scene or a destination scene.
`get_scene_item_id`	Find a source by name in a scene or group and return its numeric scene item ID.
`get_scene_item_source`	Return the source name and UUID associated with a scene item ID.
`get_scene_item_transform`	Return explicit OBS transform and crop fields for a scene item.
`set_scene_item_transform`	Partially update explicit OBS transform and crop fields for a scene item.
`get_scene_item_enabled`	Return whether a scene item is enabled.
`set_scene_item_enabled`	Set whether a scene item is enabled.
`get_scene_item_locked`	Return whether a scene item is locked.
`set_scene_item_locked`	Set whether a scene item is locked.
`get_scene_item_index`	Return a scene item's index position in its scene.
`get_scene_item_blend_mode`	Return a scene item's OBS blend mode.
`set_scene_item_index`	Set a scene item's index position in its scene.
`set_scene_item_blend_mode`	Set a scene item's OBS blend mode.
`get_source_active`	Return whether a source is active in program and showing in OBS UI.

Screenshots

Tool	Description
`get_source_screenshot`	Return bounded base64 image data for an OBS source screenshot.
`save_source_screenshot`	Save an OBS source screenshot under OBS_MCP_SCREENSHOT_OUTPUT_DIR using a safe filename.

Filters

Tool	Description
`list_source_filter_kinds`	Return OBS source filter kinds available for creation in OBS.
`list_source_filters`	Return sanitized filter summaries for a source selected by name or UUID.
`get_source_filter_default_settings`	Return key/type summaries for default settings of an OBS source filter kind.
`get_source_filter`	Return sanitized metadata and setting summaries for one OBS source filter.
`create_source_filter`	Create an OBS source filter. Optional filterSettings uses the narrow allowlisted settings patch.
`remove_source_filter`	Remove an OBS source filter by non-empty filter name.
`set_source_filter_settings`	Apply a narrow allowlisted OBS source filter settings patch. Arbitrary raw settings are not accepted.
`set_source_filter_enabled`	Set whether an OBS source filter is enabled.
`set_source_filter_index`	Set a source filter's non-negative index position.
`set_source_filter_name`	Rename an OBS source filter.

Inputs

Tool	Description
`list_inputs`	Return OBS inputs, optionally restricted to one input kind.
`list_input_kinds`	Return input kinds available on this OBS install, with optional unversioned kind names.
`get_special_inputs`	Return OBS desktop and microphone special input names.
`get_input_mute`	Return whether an OBS input is muted.
`set_input_mute`	Set whether an OBS input is muted.
`toggle_input_mute`	Toggle whether an OBS input is muted.
`get_input_volume`	Return an OBS input volume in multiplier and dB units.
`set_input_volume`	Set an OBS input volume using either multiplier or dB units.
`get_input_audio_balance`	Return an OBS input audio balance.
`set_input_audio_balance`	Set an OBS input audio balance.
`get_input_audio_monitor_type`	Return an OBS input audio monitor type.
`set_input_audio_monitor_type`	Set an OBS input audio monitor type.
`get_input_audio_sync_offset`	Return an OBS input audio sync offset in milliseconds.
`set_input_audio_sync_offset`	Set an OBS input audio sync offset in milliseconds.
`get_input_audio_tracks`	Return enabled OBS audio tracks for an input.
`set_input_audio_tracks`	Set enabled OBS audio tracks for an input.
`get_input_deinterlace_mode`	Return an OBS input deinterlace mode. OBS restricts deinterlacing to async inputs.
`set_input_deinterlace_mode`	Set an OBS input deinterlace mode. OBS restricts deinterlacing to async inputs.
`get_input_deinterlace_field_order`	Return an OBS input deinterlace field order. OBS restricts deinterlacing to async inputs.
`set_input_deinterlace_field_order`	Set an OBS input deinterlace field order. OBS restricts deinterlacing to async inputs.
`get_input_default_settings`	Return raw default inputSettings for an OBS input kind. Keys and values are source-kind-specific; use this with list_input_kinds before writing settings.
`get_input_settings`	Return raw inputKind and inputSettings for an OBS input. Keys and values are source-kind-specific and reflect the current OBS/plugin/OS surface.
`get_input_properties_list_property_items`	Return raw OBS list-property items for an input property, including item names, values, and enabled flags when OBS provides them.
`set_input_settings`	Apply free-form, source-kind-specific OBS inputSettings verbatim. Use snake_case OBS keys discovered from get_input_default_settings, get_input_properties_list_property_items, and get_input_settings; there is no universal key list.
`press_input_properties_button`	Press a named OBS input properties button. This is an OBS-side effect.
`create_input`	Create an OBS input in a scene. Optional inputSettings is free-form and source-kind-specific, using the same verbatim snake_case OBS keys as set_input_settings.
`remove_input`	Remove an OBS input by name or UUID.
`set_input_name`	Rename an OBS input by name or UUID.
`get_media_input_status`	Return an OBS media input status with duration and cursor data.
`set_media_input_cursor`	Set a media input cursor in milliseconds. OBS does not perform duration bounds checking.
`offset_media_input_cursor`	Offset a media input cursor in milliseconds. OBS does not perform duration bounds checking.
`trigger_media_input_action`	Trigger an official OBS media input action.

Outputs

Tool	Description
`list_outputs`	Return OBS output names, kinds, and activity state.
`get_output_status`	Return generic OBS status fields for an output by name.
`get_output_settings`	Return sanitized, typed settings for a generic OBS output by name.
`set_output_settings`	Update sanitized, typed settings for a generic OBS output by name.
`start_output`	Start a generic OBS output by name. Prefer specialized record, stream, virtual camera, or replay tools when applicable.
`stop_output`	Stop a generic OBS output by name. Prefer specialized record, stream, virtual camera, or replay tools when applicable.
`toggle_output`	Toggle a generic OBS output by name. Prefer specialized record, stream, virtual camera, or replay tools when applicable.
`get_virtual_cam_status`	Return whether OBS virtual camera output is active.
`start_virtual_cam`	Start the OBS virtual camera output.
`stop_virtual_cam`	Stop the OBS virtual camera output.
`toggle_virtual_cam`	Toggle the OBS virtual camera output and return the resulting activity state.
`get_replay_buffer_status`	Return whether the OBS replay buffer output is active.
`start_replay_buffer`	Start the OBS replay buffer output.
`stop_replay_buffer`	Stop the OBS replay buffer output.
`toggle_replay_buffer`	Toggle the OBS replay buffer output and return the resulting activity state.
`save_replay_buffer`	Save the current OBS replay buffer contents.
`get_last_replay_buffer_replay`	Return the OBS-provided saved replay path for the last replay buffer save.

Recording

Tool	Description
`get_record_status`	Return the active, paused, timecode, duration, and byte count status for the OBS record output.
`start_record`	Start the OBS record output.
`stop_record`	Stop the OBS record output and return OBS-provided output metadata.
`toggle_record`	Toggle the active state of the OBS record output.
`split_record_file`	Split the current OBS recording into a new file.
`create_record_chapter`	Add a chapter marker to the current OBS recording. Chapter marker support depends on the recording format; as of OBS 30.2.0, Hybrid MP4 is the supported format.
`pause_record`	Pause the active OBS record output.
`resume_record`	Resume a paused OBS record output.
`toggle_record_pause`	Toggle the pause state of the OBS record output.

Streaming

Tool	Description
`get_stream_status`	Return OBS stream output activity, reconnecting state, timing, congestion, byte, and frame counts.
`start_stream`	Start the OBS stream output.
`stop_stream`	Stop the OBS stream output.
`toggle_stream`	Toggle the OBS stream output and return the resulting activity state.
`send_stream_caption`	Send non-empty CEA-608 caption text over the OBS stream output. The OBS protocol does not publish a maximum caption length.

Transitions

Tool	Description
`list_transition_kinds`	Return OBS transition kind identifiers.
`list_scene_transitions`	Return current scene transition identity and stable transition summaries.
`get_current_scene_transition`	Return current scene transition identity, kind, fixed-duration state, and configured duration.
`get_current_scene_transition_cursor`	Return the current scene transition cursor position between 0 and 1.
`set_current_scene_transition`	Set the current OBS scene transition by non-empty transition name.
`set_current_scene_transition_duration`	Set the current OBS scene transition duration in milliseconds, bounded from 50 to 20000.
`set_current_scene_transition_settings`	Set current OBS scene transition settings using a flat primitive settings record; overlay defaults to true and merges over existing settings, while false replaces them.
`trigger_studio_mode_transition`	Trigger the current OBS studio mode transition.
`set_tbar_position`	Set the OBS T-Bar position between 0 and 1; release defaults to true.

OBS UI

Tool	Description
`get_studio_mode_enabled`	Return whether OBS studio mode is enabled.
`set_studio_mode_enabled`	Local OBS UI side effect: enable or disable OBS studio mode.
`open_input_properties_dialog`	Local OBS UI side effect: open the properties dialog for an input by name or UUID.
`open_input_filters_dialog`	Local OBS UI side effect: open the filters dialog for an input by name or UUID.
`open_input_interact_dialog`	Local OBS UI side effect: open the interact dialog for an input by name or UUID.
`list_monitors`	Return OBS monitor summaries for choosing local projector targets.
`open_video_mix_projector`	Local OBS UI side effect: open a preview, program, or multiview projector.
`open_source_projector`	Local OBS UI side effect: open a projector for a source by name or UUID.

Administrative Raw

Tool	Description
`get_persistent_data`	Read an OBS websocket persistent data slot. Exposed only by the admin_raw toolset.
`set_persistent_data`	Write a JSON-safe OBS websocket persistent data slot. Exposed only by the admin_raw toolset.

Vendor and Custom Events

Tool	Description
`call_vendor_request`	Call a vendor/plugin OBS websocket request with JSON-safe data. Exposed only by the vendor toolset; plugin-defined behavior and provenance are security-sensitive.
`broadcast_custom_event`	Broadcast a JSON-safe custom OBS websocket event. Exposed only by the vendor toolset; downstream consumers and provenance are security-sensitive.

Development

Package development uses pnpm:

pnpm install
pnpm build
pnpm check-all

Useful focused checks:

pnpm verify-readme
pnpm verify-registry-metadata
pnpm verify-protocol-parity
pnpm package-smoke

pnpm update-readme regenerates the tool tables from the local MCP tool registry.

OBS Integration Testing

See INTEGRATION_TESTING.md for OBS integration test setup, environment variables, and safety notes.

Manual Stdio Smoke Test

Build the package and send MCP JSON-RPC over stdio:

pnpm build
printf '%s\n' \
  '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"smoke","version":"0.0.0"}}}' \
  '{"jsonrpc":"2.0","method":"notifications/initialized","params":{}}' \
  '{"jsonrpc":"2.0","id":2,"method":"tools/list","params":{}}' \
  | node dist/index.cjs

This server cannot be installed

license - permissive license

quality - not tested

maintenance

How are these scores calculated?

Maintenance

–Maintainers

–Response time

–Release cycle

–Releases (12mo)

Commit activity

Resources

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