Deregisters a tool provider from the UTCP client.
AI agents call deregister_manual to retrieve information from UTCP-MCP Bridge without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Even though deregister_manual only reads data, uncontrolled read access leaks sensitive information and racks up API costs — an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Documented attack patterns abuse exactly the kind of access deregister_manual gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and UTCP-MCP Bridge, and nothing reaches the server without passing your rules. This is the rule we recommend for deregister_manual:
{
"version": "1",
"default": "deny",
"tools": {
"deregister_manual": {}
}
}deregister_manual is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Deregisters a tool provider from the UTCP client. It is categorised as a Read tool in the UTCP-MCP Bridge MCP Server, which means it retrieves data without modifying state.
Register the UTCP-MCP Bridge MCP server in PolicyLayer and add a rule for deregister_manual: 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 UTCP-MCP Bridge. Nothing to install.
deregister_manual 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 deregister_manual 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 deregister_manual. 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.
deregister_manual is provided by the UTCP-MCP Bridge MCP server (universal-tool-calling-protocol/utcp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 7 UTCP-MCP Bridge tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
7 UTCP-MCP Bridge tools catalogued and risk-classified — across an index of 42,500+ MCP servers.