AI agents call beacon_chat as a supporting operation in RustChain + BoTTube MCP Server workflows.
The description is entirely empty, so the tool's actual behavior is unknown. The name 'beacon_chat' suggests a chat or messaging function, but given the server context (blockchain, video platform, token wallets), it could involve a range of actions. Without any description, confidence is very low.
From the tool's definition Tool description is empty; no information provided about what beacon_chat does beyond its name.
Documented attack patterns abuse exactly the kind of access beacon_chat gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and RustChain + BoTTube MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for beacon_chat:
{
"version": "1",
"default": "deny",
"tools": {
"beacon_chat": {
"limits": [
{
"counter": "beacon_chat_rate",
"window": "minute",
"max": 60,
"scope": "grant"
}
]
}
}
}beacon_chat gets a rate cap, and everything else on the server is denied unless you say otherwise.
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beacon_chat. It is categorised as a Other tool in the RustChain + BoTTube MCP Server MCP Server, which means it performs auxiliary operations.
Register the RustChain + BoTTube MCP Server MCP server in PolicyLayer and add a rule for beacon_chat: 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 RustChain + BoTTube MCP Server. Nothing to install.
beacon_chat is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the beacon_chat 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 beacon_chat. 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.
beacon_chat is provided by the RustChain + BoTTube MCP Server MCP server (scottcjn/rustchain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 39 RustChain + BoTTube MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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39 RustChain + BoTTube MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.