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OOBE-PROTOCOL

SAP MCP Server

sap_create_escrow

Create a V1 escrow contract on Solana to secure payments for agent API calls, defining price per call, maximum calls, and initial deposit in lamports.

Instructions

Create a V1 escrow using SDK EscrowModule.create.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
maxCallsNoMaximum number of calls the escrow covers (as a decimal string)
agentWalletNoAgent wallet public key (base58)
pricePerCallNoPrice per call in lamports (as a decimal string)
initialDepositNoInitial deposit amount in lamports (as a decimal string)
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must fully disclose behavioral traits. It only says 'Create a V1 escrow'—no mention of side effects, permission requirements, network costs, or what happens on creation. This is critically insufficient.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence, very concise. However, it sacrifices necessary detail for brevity. It could include more context without becoming overly long.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the presence of many related escrow tools, no output schema, and a lack of explanation about V1 vs V2, the description is incomplete. It fails to provide the context an agent needs to use it correctly in the ecosystem.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so parameters are already well-documented. The description does not add any extra meaning beyond what the schema provides, thus baseline of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Create' and resource 'V1 escrow', and references the SDK method. However, it does not distinguish from the sibling tool 'sap_create_escrow_v2', leaving ambiguity about which version to use.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool over alternatives (e.g., V2 variants), no prerequisites, and no contextual usage cues. The agent is left without direction on appropriate invocation conditions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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