sap_backpack_get_depth
Get Backpack order book depth ([price, qty] ask/bid string pairs) for a symbol; optional limit caps levels per side (default 20; upstream default 1000, max 5000). Backpack symbols: spot SOL_USDC, perp SOL_USDC_PERP (marketType SPOT|PERP), stock spot MU.US_USDC, stock RFQ AAPL.US_USDC_RFQ. Free re...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/sap-backpack-get-depth.md
What sap_backpack_get_depth does on Sap
AI agents call sap_backpack_get_depth 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 |
|---|---|---|---|
limit | number | — | Levels per side (default 20, upstream max 5000) |
symbol | string | Yes | Market symbol, e.g. SOL_USDC or SOL_USDC_PERP |
Parameters from the server's own tool schema.
Why sap_backpack_get_depth is rated Low
Tool queries market data without creating, modifying, or moving assets.
From the tool's definition Get order book depth; free read; no side effects
Attacks that exploit this kind of access
The rule that runs sap_backpack_get_depth 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 sap_backpack_get_depth, this is the rule to start with:
sap_backpack_get_depth 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 sap_backpack_get_depth call is checked against it from then on.
Questions about sap_backpack_get_depth
Get Backpack order book depth ([price, qty] ask/bid string pairs) for a symbol; optional limit caps levels per side (default 20; upstream default 1000, max 5000). Backpack symbols: spot SOL_USDC, perp SOL_USDC_PERP (marketType SPOT|PERP), stock spot MU.US_USDC, stock RFQ AAPL.US_USDC_RFQ. Free read. 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.
sap_backpack_get_depth accepts 2 parameters: limit, symbol. Required: symbol. 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 sap_backpack_get_depth: 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.
sap_backpack_get_depth 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 sap_backpack_get_depth 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 sap_backpack_get_depth. 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.
sap_backpack_get_depth 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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