WarpPay402 Gateway

This connector has been deprecated

I used the same url for two different postings.

smart_contract_verifier

Read-onlyIdempotent

Source code analysis, ABI fetching, and proxy validation ($0.02 USDC)

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "address": "<address>"
    },
    "name": "smart_contract_verifier"
  }
}

Input Schema

Name	Required	Description	Default
`address`	Yes	Target Base contract address to verify on Basescan

Output Schema

Name	Required	Description	Default
`data`	Yes	Basescan source code, ABI, and proxy details
`success`	Yes	Verification status

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedSep 25, 2026

addedInput schema / properties / address / description

Added value: +"Target Base contract address to verify on Basescan"

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "data": {
+      "description": "Basescan source code, ABI, and proxy details",
+      "type": "object"
+    },
+    "success": {
+      "description": "Verification status",
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "success",
+    "data"
+  ],
+  "type": "object"
+}

First observedSep 1, 2026

TDQS

A3.6/5.0

Behavior4/5

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

Annotations already establish that this is a safe, read-only, idempotent, open-world operation, so the description does not need to repeat those traits. It adds a key behavioral fact beyond the annotations: the tool costs $0.02 USDC per call, which is important for an agent to know before invoking it.

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

Conciseness5/5

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

The description is a single front-loaded sentence that lists the main capabilities and ends with the cost. There is no redundant or filler text.

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

Completeness4/5

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

With an output schema present, the description need not explain return values, and annotations cover the safety profile. It mentions the key operations and cost, but omits any usage guidance or prerequisites, which is a minor completeness gap for a paid verification tool.

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% for the single address parameter, and the schema already explains that it is a Base contract address to verify on Basescan. The description adds no parameter-level meaning beyond the schema, so the baseline score of 3 applies.

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 names three specific operations — source code analysis, ABI fetching, and proxy validation — so an agent can tell it is a contract inspection/verification tool rather than a deployment or swap tool. It does not explicitly differentiate itself from all siblings, but the verb+resource combination is clear.

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?

There is no guidance on when to use this tool versus alternatives, nor any exclusions or prerequisites. The description only states what it does and the cost, leaving usage context entirely implicit.

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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