magicblock_getBlockhashForAccounts
Get a blockhash and last valid block height for a batch of account addresses (max 100).. SAP MCP execution guidance: Intent: read/discovery workflow. Pricing: paid read-premium; estimate first, then use sap_payments_call_paid_tool when the runtime cannot replay x402 natively. Routing: paid hosted...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/magicblock-getblockhashforaccounts.md
What magicblock_getBlockhashForAccounts does on Sap
AI agents call magicblock_getBlockhashForAccounts to retrieve information from Sap without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
accounts | array | Yes | Array of account addresses (max 100) |
endpoint | string | — | MagicBlock Router endpoint: 'mainnet' or 'devnet' |
Parameters from the server's own tool schema.
Why magicblock_getBlockhashForAccounts is rated Low
Tool retrieves blockchain state data without modifying or executing transactions; read-only query operation.
From the tool's definition Get a blockhash and last valid block height for a batch of account addresses.
Risk signalsAccepts URL/endpoint input (endpoint)
Attacks that exploit this kind of access
The rule that runs magicblock_getBlockhashForAccounts safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sap, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For magicblock_getBlockhashForAccounts, this is the rule to start with:
magicblock_getBlockhashForAccounts is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Sap, apply this rule, and every magicblock_getBlockhashForAccounts call is checked against it from then on.
Questions about magicblock_getBlockhashForAccounts
Get a blockhash and last valid block height for a batch of account addresses (max 100).. SAP MCP execution guidance: Intent: read/discovery workflow. Pricing: paid read-premium; estimate first, then use sap_payments_call_paid_tool when the runtime cannot replay x402 natively. Routing: paid hosted call; call sap_estimate_tool_cost first, then use sap_payments_call_paid_tool if the runtime cannot handle x402 natively. Signer boundary: hosted reads/builders never receive keypair bytes; value-moving results must be finalized locally when signing is required. It is categorised as a Read tool in the Sap MCP Server, which means it retrieves data without modifying state.
magicblock_getBlockhashForAccounts accepts 2 parameters: accounts, endpoint. Required: accounts. The full parameter table on this page comes from the server's own tool schema.
Register the Sap MCP server in PolicyLayer and add a rule for magicblock_getBlockhashForAccounts: 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 Sap. Nothing to install.
magicblock_getBlockhashForAccounts is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the magicblock_getBlockhashForAccounts 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.
Set action: deny in the PolicyLayer policy for magicblock_getBlockhashForAccounts. 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.
magicblock_getBlockhashForAccounts is provided by the Sap MCP server (https://mcp.sap.oobeprotocol.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Sap, and thousands of servers like it.
This server
Across the catalogue