Get SOL and SPL token balances for a Solana wallet address, including USD values
AI agents call get_wallet_balance to retrieve information from Solafon MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries financial data (wallet balances and their USD equivalents) but performs no state-changing operations. It does not move funds, execute transactions, or modify any data—it only reads. While the data itself is financial in nature, the tool's function is purely informational Read access.
From the tool's definition Tool name 'get_wallet_balance' and description 'Get SOL and SPL token balances for a Solana wallet address, including USD values' indicate retrieval of balance information with no modification, deletion, or transaction execution capabilities.
Attacks that exploit this kind of access
Get SOL and SPL token balances for a Solana wallet address, including USD values. It is categorised as a Read tool in the Solafon MCP MCP Server, which means it retrieves data without modifying state.
Register the Solafon MCP server in PolicyLayer and add a rule for get_wallet_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 Solafon MCP. Nothing to install.
get_wallet_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 get_wallet_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 get_wallet_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.
get_wallet_balance is provided by the Solafon MCP server (solafon/solafon-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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