Get a list of top tokens by TVL on SailFish DEX
AI agents call get_top_tokens to retrieve information from EDUCHAIN Agent Kit without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves information about tokens ranked by Total Value Locked (TVL) on a DEX. It is a read-only operation that has no side effects, cannot modify data, and poses minimal risk if misused by an AI agent. The worst outcome would be retrieving stale or irrelevant token data, which is informational only.
From the tool's definition Tool name is 'get_top_tokens' and description states 'Get a list of top tokens by TVL on SailFish DEX' — a pure retrieval operation with no modification, deletion, or execution of code/commands.
Documented attack patterns abuse exactly the kind of access get_top_tokens gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and EDUCHAIN Agent Kit, and nothing reaches the server without passing your rules. This is the rule we recommend for get_top_tokens:
{
"version": "1",
"default": "deny",
"tools": {
"get_top_tokens": {}
}
}get_top_tokens is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a list of top tokens by TVL on SailFish DEX. It is categorised as a Read tool in the EDUCHAIN Agent Kit MCP Server, which means it retrieves data without modifying state.
Register the EDUCHAIN Agent Kit MCP server in PolicyLayer and add a rule for get_top_tokens: 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 EDUCHAIN Agent Kit. Nothing to install.
get_top_tokens is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_top_tokens 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 get_top_tokens. 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.
get_top_tokens is provided by the EDUCHAIN Agent Kit MCP server (sailfish-finance/educhain-ai-agent-kit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from EDUCHAIN Agent Kit, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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