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 readOnlyHint, openWorldHint, idempotentHint, and destructiveHint=false, so the safety profile is covered. The description adds value by specifying the concrete output (address, chain id, RPC, explorer, USDC, ABI summary), which goes beyond the annotations. It does not mention error cases or external dependencies, but for a read-only verification tool this is acceptable.
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, tightly written sentence that front-loads the purpose and immediately lists the deliverable fields. Every word contributes to understanding what the tool returns and does. There is no fluff or 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?
Given that there is an output schema (not shown but indicated) and the description enumerates the return values, the tool is fully specified for an agent to invoke correctly. It is a stateless, read-only verification with no parameters, so nothing critical is missing. The description covers the 'what' and the annotations cover safety.
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?
There are zero parameters, and the schema already documents that via an empty properties object. The description reinforces that no arguments are needed ('the owner is derived from the authenticated principal') and lists the expected outputs. With 0 params, the baseline is 4, and the description does not need to explain parameter semantics further.
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 states a specific verb ('Independently verify') and a clear resource ('EscrowVault on-chain'), then enumerates the exact return fields (address, chain id, RPC, explorer link, USDC token, ABI summary). This is unambiguous and differentiates it from sibling tools like get_agent_contract, which focus on agent-specific contracts rather than the escrow vault verification.
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 does not explicitly state when to use this tool versus alternatives, nor does it mention exclusions or prerequisites. The verb 'Independently verify' implies a verification purpose, but no direct guidance is given about when an agent should prefer this over, say, get_agent_contract or a2awire_guide. Given the sibling list includes several potentially similar read-only tools, this is a gap.
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.
Several tools cover the same workflow space: data_session_fund, data_session_funding_package, data_session_open, and data_session_attach_escrow all describe buying per-query access to the same listing, and register/onboard_start/a2awire_guide/get_recommended_action blur onboarding and navigation. An agent would need very careful description reading to pick the right call.
Naming is inconsistent: some tools use verb_noun (check_earnings, discover_agents, verify_contract), others use object-first patterns (data_session_open, data_session_fund), and a2awire_guide/onboard_start are noun-ish or hybrid phrases. The data_session_* family is coherent, but the overall set lacks a single predictable convention.
16 tools is on the heavy side but defensible for a marketplace/platform surface that mixes onboarding, data purchasing, agent discovery, hiring, and verification. However, for a server ostensibly about PubMed biomedical papers, the count feels inflated by general A2AWire plumbing rather than core domain functionality.
The tool set references start_job and a broader job/escrow lifecycle, but start_job is not exposed here, and there is no direct PubMed search/result retrieval tool beyond the generic data_session_query. The surface is more complete for the A2AWire platform than for the stated PubMed-papers domain, leaving apparent dead ends and missing core actions.