stx_update_profile · Bitcoin wallet MCP server MCP

WHAT IT DOES

What stx_update_profile does on Bitcoin wallet MCP server

AI agents use stx_update_profile to create or update resources in Bitcoin wallet MCP server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Bitcoin wallet MCP server environment.

WHY IT NEEDS A POLICY

Why stx_update_profile needs a policy

This tool modifies blockchain state by updating profile information. While it does not involve financial transactions or irreversible destruction, it can change user-facing data and potentially impact reputation or identity on-chain. The reversibility of profile updates (can be changed again) and the lack of fund movement places it in Write rather than Execute or Financial.

From the tool's definition Tool performs 'Update' operation on on-chain profile data, which creates or modifies data reversibly. The description explicitly states 'Update an on-chain profile' indicating a write/modification action.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

stx_update_profile Rate-limited

stx_update_profile 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": {
    "stx_update_profile": {
      "limits": [
        {
          "counter": "stx_update_profile_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Bitcoin wallet MCP server, so you can run agents against it safely.

FAQ

Questions about stx_update_profile

What does the stx_update_profile tool do? +

Update an on-chain profile (schema.org/Person). It is categorised as a Write tool in the Bitcoin wallet MCP server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on stx_update_profile? +

Register the Bitcoin wallet MCP server MCP server in PolicyLayer and add a rule for stx_update_profile: 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 Bitcoin wallet MCP server. Nothing to install.

What risk level is stx_update_profile? +

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

Can I rate-limit stx_update_profile? +

Yes. Add a rate_limit block to the stx_update_profile 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 stx_update_profile completely? +

Set action: deny in the PolicyLayer policy for stx_update_profile. 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 stx_update_profile? +

stx_update_profile is provided by the Bitcoin wallet MCP server MCP server (markmhendrickson/mcp-server-bitcoin). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.