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Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
PORTNoPort injected by platforms like Railway. Overrides DEX_MCP_PORT if set.
DEX_MCP_HTTPNoEnable remote mode. Bind 0.0.0.0, serve MCP over HTTP at /mcp, and point the bridge at wss://<host>.false
DEX_MCP_PORTNoWebSocket hub port.8392
DEX_MCP_TOKENNoShared token required by the bridge. Required in remote mode (container disks are ephemeral).
DEX_MCP_TOKEN_FILENoWhere the auto-generated token is persisted.~/.dex-mcp/token
DEX_MCP_ENABLE_WRITENoEnable set_property tool.true
DEX_MCP_ENABLE_REMOTESNoEnable remote calling/spying.true
DEX_MCP_RPC_TIMEOUT_MSNoPer-request timeout in milliseconds.15000
DEX_MCP_ENABLE_RUN_LUAUNoEnable run_luau tool.true

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tools
{
  "listChanged": true
}

Tools

Functions exposed to the LLM to take actions

NameDescription
dex_statusA

Report whether the Roblox bridge is connected and basic game info (name, placeId, client version, capabilities).

get_rootA

Get the root instance (game, ref 0) and its top-level services.

get_childrenA

List the direct children of an instance by ref. Optionally filter by className.

get_propertiesA

Read the properties of an instance by ref. Property names come from the cached Roblox API dump when available.

searchA

Recursively search instances by name substring (and optional className), capped by limit. Defaults to 100 results.

get_sourceC

Read the Source of a Script/LocalScript/ModuleScript by ref, if readable.

get_by_pathA

Resolve a dotted instance path (e.g. game.Workspace.Part) to a node with a ref.

set_propertyA

Set a property on an instance by ref. The value is coerced to the property's declared Roblox type when known.

fire_remoteC

Fire a RemoteEvent (FireServer) with the given arguments.

invoke_remoteB

Invoke a RemoteFunction (InvokeServer) with the given arguments and return its result.

remote_spy_startB

Start logging outgoing remote traffic. Returns an error if the executor lacks the required hooks.

remote_spy_stopA

Stop logging remote traffic.

remote_spy_dumpB

Return the remote traffic captured since the spy started.

run_luauB

Execute arbitrary Luau in the Roblox client and return captured output plus a best-effort serialized return value. Power tool.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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