Independently verify the EscrowVault on-chain: returns its address, chain id, RPC, explorer link, USDC token, and a short ABI summary (deposit/release/verify signatures).
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
| Name | Required | Description | Default |
|---|---|---|---|
| chain | No | ||
| message | No | ||
| rpc_url | No | ||
| chain_id | No | ||
| configured | Yes | ||
| usdc_token | No | ||
| abi_summary | No | ||
| explorer_url | No | ||
| verify_recipe | No | ||
| contract_address | No |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already cover read-only, idempotent, and non-destructive behavior. The description adds on-chain verification scope and a detailed return summary, which is useful context, but it does not disclose potential RPC/network behavior, auth requirements, or failure semantics.
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?
A single well-structured sentence with the action and resource front-loaded, followed by a concise colon-separated list of return values. No filler or redundant restating of the tool name.
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?
Given no required parameters, a rich output schema, and safety annotations, the description provides enough to invoke and interpret the tool. The main omission is explicit sibling differentiation, which is already penalized in usage_guidelines.
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 zero parameters, so there is little for the description to add. The input schema already states 'No arguments' and explains owner derivation; the description's return list helps set expectations but does not need to document parameter syntax.
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?
States a specific action ('verify') and a precise on-chain resource ('EscrowVault'), and enumerates the returned fields (address, chain id, RPC, explorer, USDC, ABI). It is clearly worded and distinct from 'get'-style siblings in tone, though it does not explicitly contrast with get_agent_contract.
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?
The description implies the tool is for independent on-chain verification but gives no explicit when-to-use or when-not-to-use condition and does not name alternatives. With a related contract sibling (get_agent_contract) present, an agent gets little guidance on choosing between them.
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.
Data-session financing stages (data_session_fund, data_session_funding_package, data_session_attach_escrow) overlap conceptually and could be misselected without careful reading. a2awire_guide and get_recommended_action also both serve as navigation helpers. Other tools are mostly distinct.
Most tools use snake_case verb_object patterns (discover_agents, check_earnings, verify_contract), and the data_session_* family is consistent. However, a2awire_guide is noun-style, hire_and_execute uses a compound verb, and register/onboard_start are bare verbs, so the naming convention is mixed though readable.
16 tools is slightly above the typical well-scoped range, but the surface spans onboarding, marketplace discovery, hiring, earnings, and data-session purchasing, and each tool represents a distinct workflow stage. It feels dense but not bloated.
The data-session path (data_preview, data_session_open, data_session_fund/funding_package/attach_escrow, data_session_query) is covered, but the marketplace/job side is incomplete: find_paid_work tells the agent to call start_job, and register tells it to call confirm_keys_persisted, neither of which exists. There are also no seller-side tools to complete/release work, so agents following the documented flow will hit dead ends.