verify_twitter

Verify a Twitter challenge tweet for account linking.

SERVERBasis MCP Server SOURCElaunch-on-basis/mcp-ts

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/launch-on-basis-mcp-ts/verify-twitter.md

WHAT IT DOES

What verify_twitter does on Basis MCP Server

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

RISK

Why verify_twitter is rated Medium

This tool links a Twitter account to a blockchain/protocol account by verifying a challenge tweet. It creates an association (Write) between external social identity and on-chain identity. It does not delete data, execute code, or move funds, but it does modify account state by establishing a verified link.

From the tool's definition Verify a Twitter challenge tweet for account linking

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs verify_twitter safely

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

verify_twitter Rate-limited

verify_twitter 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": {
    "verify_twitter": {
      "limits": [
        {
          "counter": "verify_twitter_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 Basis MCP Server, apply this rule, and every verify_twitter call is checked against it from then on.

FAQ

Questions about verify_twitter

What does the verify_twitter tool do? +

Verify a Twitter challenge tweet for account linking. It is categorised as a Write tool in the Basis 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 verify_twitter? +

Register the Basis MCP Server MCP server in PolicyLayer and add a rule for verify_twitter: 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 Basis MCP Server. Nothing to install.

What risk level is verify_twitter? +

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

Can I rate-limit verify_twitter? +

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

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

verify_twitter is provided by the Basis MCP Server MCP server (launch-on-basis/mcp-ts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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