token-escrow-create
Create an Escrow for fungible tokens (Trust Line Tokens or MPTs) on the XRP Ledger. Requires the TokenEscrow amendment. For Trust Line Tokens, the issuer must have lsfAllowTrustLineLocking enabled. For MPTs, the issuance must have lsfMPTCanEscrow enabled.
This record as markdown: /tools/romthpt-mcp-xrpl/token-escrow-create.md
What token-escrow-create does on Xrpl mcp
AI agents use token-escrow-create to commit financial operations through Xrpl mcp, usually the final step of a payment, billing, or trading workflow. A call moves real money.
Why token-escrow-create is rated Critical
Escrow creation locks real digital assets (fungible tokens) on the XRP Ledger, constituting a financial commitment. While not an immediate transfer of funds, it freezes assets and creates binding on-ledger obligations, placing it firmly in the Financial category. Misuse could lock user funds unintentionally or maliciously.
From the tool's definition 'Create an Escrow for fungible tokens' on the XRP Ledger — locks financial assets (Trust Line Tokens or MPTs) into an escrow contract, committing funds/obligations on the ledger
Attacks that exploit this kind of access
The rule that runs token-escrow-create safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Xrpl mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For token-escrow-create, this is the rule to start with:
Any call to token-escrow-create is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Xrpl mcp, apply this rule, and every token-escrow-create call is checked against it from then on.
Questions about token-escrow-create
Create an Escrow for fungible tokens (Trust Line Tokens or MPTs) on the XRP Ledger. Requires the TokenEscrow amendment. For Trust Line Tokens, the issuer must have lsfAllowTrustLineLocking enabled. For MPTs, the issuance must have lsfMPTCanEscrow enabled. It is categorised as a Financial tool in the Xrpl mcp MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Xrpl MCP server in PolicyLayer and add a rule for token-escrow-create: 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 Xrpl mcp. Nothing to install.
token-escrow-create 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 token-escrow-create 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 token-escrow-create. 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.
token-escrow-create is provided by the Xrpl MCP server (romthpt/mcp-xrpl). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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