Request free SOL on devnet for testing. Use this to get SOL for transaction fees.
AI agents use request_devnet_airdrop to commit financial operations through Agent Wallet MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
While this operates on devnet (a test network with no real monetary value), it performs an airdrop of SOL tokens, which is a financial asset acquisition operation. It fits the Financial category as it moves/commits crypto assets, even if they are test tokens.
From the tool's definition 'Request free SOL on devnet for testing. Use this to get SOL for transaction fees.' — triggers a blockchain airdrop transaction on Solana devnet, which is a financial operation (acquiring cryptocurrency assets)
Attacks that exploit this kind of access
Request free SOL on devnet for testing. Use this to get SOL for transaction fees. It is categorised as a Financial tool in the Agent Wallet MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Agent Wallet MCP server in PolicyLayer and add a rule for request_devnet_airdrop: 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 Agent Wallet MCP. Nothing to install.
request_devnet_airdrop is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the request_devnet_airdrop 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 request_devnet_airdrop. 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.
request_devnet_airdrop is provided by the Agent Wallet MCP server (noah-ing/agent-wallet-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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