sol_get_balance
Fetch the SOL balance for a wallet or account using the configured Solana RPC endpoint. SAP MCP execution guidance: Intent: read/discovery workflow. Pricing: free; call directly without x402. Routing: free hosted call; call directly and keep it small/exact when possible. Signer boundary: hosted r...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/sol-get-balance.md
What sol_get_balance does on Sap
AI agents call sol_get_balance 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 |
|---|---|---|---|
pubkey | string | — | Alias for address |
address | string | — | Wallet or account public key in base58 |
commitment | string | — | Optional commitment override |
Parameters from the server's own tool schema.
Why sol_get_balance is rated Low
Retrieves wallet balance data without modification or side effects.
From the tool's definition Fetch the SOL balance for a wallet or account
Attacks that exploit this kind of access
The rule that runs sol_get_balance 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 sol_get_balance, this is the rule to start with:
sol_get_balance 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 sol_get_balance call is checked against it from then on.
Questions about sol_get_balance
Fetch the SOL balance for a wallet or account using the configured Solana RPC endpoint. SAP MCP execution guidance: Intent: read/discovery workflow. Pricing: free; call directly without x402. Routing: free hosted call; call directly and keep it small/exact when possible. 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.
sol_get_balance accepts 3 parameters: pubkey, address, commitment. 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 sol_get_balance: 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.
sol_get_balance 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 sol_get_balance 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 sol_get_balance. 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.
sol_get_balance 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.
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