Set display configuration for a specific game. Each game can have its own visual theme.
AI agents use set_game_theme to create or update resources in DMCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your DMCP environment.
This tool creates or modifies display/theme configuration for a game, which is a reversible change to game state metadata. It does not retrieve data (Read), execute arbitrary operations (Execute), delete anything (Destructive), or involve financial transactions (Financial). The modification is non-destructive and scoped to visual presentation settings, making it a low-severity Write operation.
From the tool's definition Tool description states it 'Set[s] display configuration for a specific game' and manages 'visual theme' settings. The context of game state management indicates this modifies configuration data.
Documented attack patterns abuse exactly the kind of access set_game_theme gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and DMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for set_game_theme:
{
"version": "1",
"default": "deny",
"tools": {
"set_game_theme": {
"limits": [
{
"counter": "set_game_theme_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}set_game_theme stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Set display configuration for a specific game. Each game can have its own visual theme. It is categorised as a Write tool in the DMCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the D MCP server in PolicyLayer and add a rule for set_game_theme: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches DMCP. Nothing to install.
set_game_theme is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_game_theme rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for set_game_theme. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
set_game_theme is provided by the D MCP server (shawnrushefsky/dmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from DMCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
204 DMCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.