AI agents call get_pathway_info to retrieve information from Oh My KEGG MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries information from the KEGG database about biological pathways. It has no side effects, does not modify data, execute code, delete anything, or involve financial transactions. It is a straightforward read operation on a scientific database.
From the tool's definition Tool name 'get_pathway_info' and description 'Get detailed information for a specific pathway' indicate retrieval of existing data with no modification or execution capabilities.
Documented attack patterns abuse exactly the kind of access get_pathway_info gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Oh My KEGG MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_pathway_info:
{
"version": "1",
"default": "deny",
"tools": {
"get_pathway_info": {}
}
}get_pathway_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get detailed information for a specific pathway. It is categorised as a Read tool in the Oh My KEGG MCP MCP Server, which means it retrieves data without modifying state.
Register the Oh My KEGG MCP server in PolicyLayer and add a rule for get_pathway_info: 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 Oh My KEGG MCP. Nothing to install.
get_pathway_info 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_pathway_info 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_pathway_info. 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_pathway_info is provided by the Oh My KEGG MCP server (martinuslee/oh-my-kegg-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Oh My KEGG MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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33 Oh My KEGG MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.