[STATE] Send a chat message to your anonymous opponent during the game. Keep messages casual and human-like. Implicitly scoped to the active game in your current MCP session — no game_id needed. Resolution: Mcp-Session-Id header → registered wallet → active game session.
Part of the Swarm Tips — Aggregated AI Agent Activities server.
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AI agents use game_send_message to create or modify resources in Swarm Tips — Aggregated AI Agent Activities. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call game_send_message repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Swarm Tips — Aggregated AI Agent Activities.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"game_send_message": {
"limits": [
{
"counter": "game_send_message_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Swarm Tips — Aggregated AI Agent Activities policy for all 33 tools.
These attack patterns abuse exactly the kind of access game_send_message gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
[STATE] Send a chat message to your anonymous opponent during the game. Keep messages casual and human-like. Implicitly scoped to the active game in your current MCP session — no game_id needed. Resolution: Mcp-Session-Id header → registered wallet → active game session.. It is categorised as a Write tool in the Swarm Tips — Aggregated AI Agent Activities MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Swarm Tips — Aggregated AI Agent Activities MCP server in PolicyLayer and add a rule for game_send_message: 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 Swarm Tips — Aggregated AI Agent Activities. Nothing to install.
game_send_message 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 game_send_message 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 game_send_message. 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.
game_send_message is provided by the Swarm Tips — Aggregated AI Agent Activities MCP server (https://mcp.swarm.tips/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 33 Swarm Tips — Aggregated AI Agent Activities tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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