wallet_getHeight

Gets the current blockchain height.

SERVERBitcoin SV MCP Server SOURCEb-open-io/bsv-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/b-open-io-bsv-mcp/wallet-getheight.md

WHAT IT DOES

What wallet_getHeight does on Bitcoin SV MCP Server

AI agents call wallet_getHeight to retrieve information from Bitcoin SV MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why wallet_getHeight is rated Low

The tool retrieves the current block height from the Bitcoin SV blockchain, which is publicly available information. No data is created, modified, deleted, or any external actions are triggered. This is a straightforward informational query with no security risk beyond information disclosure, which is minimal for public blockchain data.

From the tool's definition Tool name 'wallet_getHeight' and description 'Gets the current blockchain height' indicate a simple data retrieval operation with no side effects. This is a read-only query of blockchain state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs wallet_getHeight safely

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

wallet_getHeight Allowed

wallet_getHeight is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "wallet_getHeight": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Bitcoin SV MCP Server, apply this rule, and every wallet_getHeight call is checked against it from then on.

FAQ

Questions about wallet_getHeight

What does the wallet_getHeight tool do? +

Gets the current blockchain height. It is categorised as a Read tool in the Bitcoin SV MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on wallet_getHeight? +

Register the Bitcoin SV MCP Server MCP server in PolicyLayer and add a rule for wallet_getHeight: 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 SV MCP Server. Nothing to install.

What risk level is wallet_getHeight? +

wallet_getHeight is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit wallet_getHeight? +

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

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

wallet_getHeight is provided by the Bitcoin SV MCP Server MCP server (b-open-io/bsv-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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