identity_set_metadata

Set a metadata key-value pair on an agent identity in the ERC-8004 identity registry.

SERVERAibtc SOURCEaibtcdev/aibtc-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/io-github-aibtcdev-mcp-server/identity-set-metadata.md

WHAT IT DOES

What identity_set_metadata does on Aibtc

AI agents use identity_set_metadata to create or update resources in Aibtc, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Aibtc environment.

RISK

Why identity_set_metadata is rated Medium

This tool creates or modifies metadata in a decentralized identity registry. While potentially reversible (metadata can be updated again), it writes to a persistent on-chain system and could alter identity attributes or credentials for an agent. The impact is substantial but not immediately destructive or financial.

From the tool's definition Tool name includes 'set' and description says 'Set a metadata key-value pair on an agent identity in the ERC-8004 identity registry' — this modifies data in a registry.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs identity_set_metadata safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Aibtc, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For identity_set_metadata, this is the rule to start with:

identity_set_metadata Rate-limited

identity_set_metadata 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "identity_set_metadata": {
      "limits": [
        {
          "counter": "identity_set_metadata_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Aibtc, apply this rule, and every identity_set_metadata call is checked against it from then on.

FAQ

Questions about identity_set_metadata

What does the identity_set_metadata tool do? +

Set a metadata key-value pair on an agent identity in the ERC-8004 identity registry. It is categorised as a Write tool in the Aibtc MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on identity_set_metadata? +

Register the Aibtc MCP server in PolicyLayer and add a rule for identity_set_metadata: 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 Aibtc. Nothing to install.

What risk level is identity_set_metadata? +

identity_set_metadata is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit identity_set_metadata? +

Yes. Add a rate_limit block to the identity_set_metadata 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.

How do I block identity_set_metadata completely? +

Set action: deny in the PolicyLayer policy for identity_set_metadata. 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.

What MCP server provides identity_set_metadata? +

identity_set_metadata is provided by the Aibtc MCP server (aibtcdev/aibtc-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Aibtc, and thousands of servers like it.

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set-prioity on Kanban MCP Server →team_manager_set_sources on Team Manager MCP →qt_set_property on Qt → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →