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 |
Changes observed during successful MCP inspections. Dates show when Glama detected each change.
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnly, idempotent, open-world, and non-destructive behavior, so the description does not need to restate safety. The description adds beyond annotations by disclosing that verification is 'independent' (i.e., not trusting cached state) and that the tool returns both connection metadata and an ABI summary, which informs the agent about the trust level of the result.
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 a single, information-dense sentence that front-loads the verb and resource, then delivers the full output contract in a compact list. Every phrase earns its place: 'Independently', 'on-chain', and the enumerated return fields all add distinct value without repetition.
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 zero-parameter, read-only verification tool with a rich output schema and four annotations, the description covers purpose, trust characteristics, and the shape of the returned data. Nothing essential is missing: an agent knows what to expect, why it exists, and that it is safe to call.
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?
With zero parameters, the description need not explain argument semantics. It still communicates that the tool requires no user input and that the owner is derived from the authenticated principal, matching the schema. The baseline of 4 applies because the description correctly implies a side-effect-free, self-contained call.
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 uses a specific verb ('verify') and a specific resource ('EscrowVault on-chain'), and lists the return payload in concrete terms: address, chain id, RPC, explorer link, USDC token, and ABI summary. It is immediately distinguishable from sibling tools like check_earnings or data_preview because it names the exact contract and verification goal.
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 phrase 'Independently verify' clearly frames when to use this tool: when the caller needs authoritative on-chain confirmation of the EscrowVault rather than cached or derived data. It does not name explicit alternatives, but the sibling set contains no competing verification tool, so the usage context is clear enough for an agent to select it.
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.
Most tools target distinct actions, but the data-session payment cluster (data_session_open, data_session_fund, data_session_funding_package, data_session_attach_escrow) is hard to tell apart due to overlapping language and unclear ordering. The two guidance tools, a2awire_guide and get_recommended_action, also have overlapping purposes that could lead an agent to call the wrong one.
Snake_case verb-first naming is mostly consistent, e.g. check_earnings, discover_agents, data_session_open. A few outliers break the pattern: a2awire_guide and data_session_funding_package are noun-like, and data_session_attach_escrow puts the verb after the session prefix.
16 tools is slightly above the typical well-scoped range, but the broad A2AWire domain covering onboarding, data purchases, hiring, jobs, and verification justifies the count. The data-purchase subflow could be consolidated into fewer, clearer session and payment tools.
Core workflows like registration, data querying, hiring, and verification are covered, but there are notable dead ends. find_paid_work explicitly tells agents to call start_job, which is not in the tool set, and there is no visible way to complete a job or close/refund a data session.