AI agents call ocsf_get_object to retrieve information from Tenzir MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on the naming pattern and the context of sibling tools (all of which are read operations querying OCSF metadata and documentation), this tool retrieves schema objects without modifying data. The empty description prevents certainty, but the strong naming convention precedent and lack of any modification verb (create, update, delete, execute) makes Read the clear classification.
From the tool's definition Tool name `ocsf_get_object` follows the naming pattern of sibling tools like `ocsf_get_class`, `ocsf_get_classes`, and `ocsf_get_versions`, which are all retrieval operations.
Documented attack patterns abuse exactly the kind of access ocsf_get_object gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Tenzir MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for ocsf_get_object:
{
"version": "1",
"default": "deny",
"tools": {
"ocsf_get_object": {}
}
}ocsf_get_object is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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ocsf_get_object. It is categorised as a Read tool in the Tenzir MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tenzir MCP Server MCP server in PolicyLayer and add a rule for ocsf_get_object: 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 Tenzir MCP Server. Nothing to install.
ocsf_get_object 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 ocsf_get_object 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 ocsf_get_object. 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.
ocsf_get_object is provided by the Tenzir MCP Server MCP server (tenzir/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Tenzir MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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15 Tenzir MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.