openbook_placeOrder

SERVERSap SOURCEhttps://mcp.sap.oobeprotocol.ai/mcp

Critical RISK CLASS

Category Financial

Parameters 65 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/openbook-placeorder.md

WHAT IT DOES

What openbook_placeOrder does on Sap

AI agents use openbook_placeOrder to commit financial operations through Sap, usually the final step of a payment, billing, or trading workflow. A call moves real money.

Parameter	Type	Required	Description
`side`	string	Yes	Side parameter for Openbook Place Order.
`size`	string	Yes	Raw token amount (smallest unit)
`price`	number	Yes	Price parameter for Openbook Place Order.
`wallet`	string	Yes	Solana public key (base58)
`marketId`	string	Yes	Solana public key (base58)
`orderType`	string	—	Order Type parameter for Openbook Place Order.

Parameters from the server's own tool schema.

RISK

Why openbook_placeOrder is rated Critical

Places market orders on a decentralized exchange, directly committing financial obligations.

From the tool's definition Place an order on an Openbook market

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs openbook_placeOrder 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 openbook_placeOrder, this is the rule to start with:

openbook_placeOrder Approval-gated

Any call to openbook_placeOrder is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "openbook_placeOrder": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Sap, apply this rule, and every openbook_placeOrder call is checked against it from then on.

FAQ

Questions about openbook_placeOrder

What does the openbook_placeOrder tool do? +

Place an order on an Openbook market. SAP MCP context: This Synapse AgentKit tool is served beside the sap_* SDK tools. Use sap_agent_identity_plan, sap_payments_register_agent, sap_payments_update_agent, and sap_publish_tool_by_name when the capability should become part of an on-chain SAP agent profile or tool registry entry. SAP MCP execution guidance: Intent: SAP MCP tool 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 Financial tool in the Sap MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does openbook_placeOrder accept? +

openbook_placeOrder accepts 6 parameters: side, size, price, wallet, marketId, orderType. Required: side, size, price, wallet, marketId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on openbook_placeOrder? +

Register the Sap MCP server in PolicyLayer and add a rule for openbook_placeOrder: 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.

What risk level is openbook_placeOrder? +

openbook_placeOrder is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit openbook_placeOrder? +

Yes. Add a rate_limit block to the openbook_placeOrder 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.

How do I block openbook_placeOrder completely? +

Set action: deny in the PolicyLayer policy for openbook_placeOrder. 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.

What MCP server provides openbook_placeOrder? +

openbook_placeOrder 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.

KEEP EXPLORING

More on Sap, and thousands of servers like it.

This server

All 375 Sap tools → Critical-risk tools on this server →

Across the catalogue

All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →