Explains how the payment rail works for agents: paying from your own wallet with no account, wallets we manage, spend mandates, reputation, receipts and intent enforcement. Call this first if you are new to the wallet_* and data_* tools.
| Name | Required | Description | Default |
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Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden. It describes the tool as explanatory and enumerates the topics covered, implying a read-only, informational behavior. However, it doesn't explicitly state 'no side effects' or 'read-only', though the verb 'explains' makes this largely clear.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences, front-loaded with the core purpose, then lists covered topics and provides a usage directive. Every sentence adds value with no redundancy.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple informational tool with no parameters and no output schema, the description is complete: it explains what the tool covers and when to call it. It also references related tool groups (wallet_* and data_*), providing sufficient context for an agent to use it appropriately.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The tool has 0 parameters, so the baseline is 4. The description doesn't need to add parameter details since none exist, and the schema already covers the empty parameter set.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool explains how the payment rail works, listing specific topics (paying from own wallet, managed wallets, spend mandates, reputation, receipts, intent enforcement). It distinguishes itself from sibling tools like hiring_how_it_works by focusing on payments and explicitly referencing wallet_* and data_* tools.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides explicit usage guidance: 'Call this first if you are new to the wallet_* and data_* tools.' This tells the agent when to invoke it and implies it should be used before those tools, offering clear contextual direction.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Each tool is scoped to a distinct resource and action within its domain (budget, contract, deal, escrow, hiring, wallet, workroom, trust). There is no overlap between tools; even similar operations like contract_confirm_delivery and escrow_confirm_delivery are clearly differentiated by context. A model can reliably select the correct tool for a given task.
Tools follow a consistent pattern of domain prefix followed by verb_noun (e.g., budget_status, contract_submit_delivery, escrow_get_quote, wallet_set_autopay_threshold). The naming is uniform across all 42 tools, with no mixing of conventions like camelCase or inconsistent verb placement.
With 42 tools, the server is heavily overloaded. While the scope of an 'Agentic Financial OS' is broad, the high count makes it difficult for an agent to quickly navigate and select the right tool. Many tools could be consolidated (e.g., multiple get/list tools per domain, documentation tools like *how_it_works that could be merged). The count exceeds the recommended range and feels excessive.
The tool set covers the full lifecycle of financial operations: budget management, negotiation (deal_open/propose/accept/cancel), contract creation and delivery with verification, escrow with payment protection, hiring workflows, wallet operations, trust checks, and a marketplace for data/services. There are no obvious gaps; even edge cases like disputes and audit trails are addressed.