connect_browser_wallet

Browser wallet signing is temporarily disabled because the legacy local bridge lacks request-level authentication.

SERVERJustlend SOURCEjustlend/mcp-server-justlend

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/justlend-mcp-server-justlend/connect-browser-wallet.md

WHAT IT DOES

What connect_browser_wallet does on Justlend

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

RISK

Why connect_browser_wallet is rated Medium

An AI agent can call connect_browser_wallet faster than any human can review: one bad instruction and it creates or modifies resources in Justlend by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs connect_browser_wallet safely

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

connect_browser_wallet Rate-limited

connect_browser_wallet 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": {
    "connect_browser_wallet": {
      "limits": [
        {
          "counter": "connect_browser_wallet_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 Justlend, apply this rule, and every connect_browser_wallet call is checked against it from then on.

FAQ

Questions about connect_browser_wallet

What does the connect_browser_wallet tool do? +

Browser wallet signing is temporarily disabled because the legacy local bridge lacks request-level authentication. It is categorised as a Write tool in the Justlend MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on connect_browser_wallet? +

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

What risk level is connect_browser_wallet? +

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

Can I rate-limit connect_browser_wallet? +

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

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

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

KEEP EXPLORING

More on Justlend, and thousands of servers like it.

This server

All 104 Justlend tools →

Across the catalogue

connect-gmail on Meme MCP Server → The MCP Attack Database →

Guides

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