onboard_delegated_agent
Onboard an agent that acts on behalf of controller_did.
This record as markdown: /tools/network-tenzro-tenzro/onboard-delegated-agent.md
What onboard_delegated_agent does on Tenzro Ledger MCP
AI agents use onboard_delegated_agent to create or update resources in Tenzro Ledger MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Tenzro Ledger MCP environment.
Why onboard_delegated_agent is rated Medium
This tool creates/registers a new delegated agent identity authorized to act on behalf of a controller DID. It is a Write operation (creating a new agent record/identity), but carries high severity because it grants an agent authority to act on behalf of another identity, enabling potential privilege escalation or unauthorized actions if misused.
From the tool's definition Onboard an agent that acts on behalf of ``controller_did``
Attacks that exploit this kind of access
The rule that runs onboard_delegated_agent safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Tenzro Ledger MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For onboard_delegated_agent, this is the rule to start with:
onboard_delegated_agent stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Tenzro Ledger MCP, apply this rule, and every onboard_delegated_agent call is checked against it from then on.
Questions about onboard_delegated_agent
Onboard an agent that acts on behalf of controller_did. It is categorised as a Write tool in the Tenzro Ledger MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for onboard_delegated_agent: 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 Tenzro Ledger MCP. Nothing to install.
onboard_delegated_agent is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the onboard_delegated_agent 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 onboard_delegated_agent. 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.
onboard_delegated_agent is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.network/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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