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AgentBIT

by app.agentbit
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Hex Encode

agentbit.encode_hex
Read-onlyIdempotent

Hex-encode an input string (bytes to lowercase hex). Binary-safe representation for wire formats, hashes and calldata. Pay-per-call via x402 (USDC, Base).

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": {
      "input": "<input>"
    },
    "name": "agentbit.encode_hex"
  }
}

Input Schema

NameRequiredDescriptionDefault
inputYes
_paymentNoOptional base64 x402 PAYMENT-SIGNATURE payload. Omit to receive payment requirements.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already signal read-only, idempotent, and non-destructive behavior. The description adds meaningful context beyond annotations: lowercase-hex output, binary-safe handling, and pay-per-call via x402 (USDC, Base). No contradiction with annotations.

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?

Three short sentences with no filler. The first sentence states the core operation, the second gives purpose, and the third discloses payment requirements. Each sentence earns its place.

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?

For a single-required-parameter utility, the description covers input semantics, output format, use cases, and payment model. A concrete example would add polish, but nothing essential is missing for an agent to call it correctly.

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?

The schema documents the required 'input' only as a string, so the description adds value by clarifying it represents bytes and that the result is lowercase hex. The optional '_payment' parameter is already explained in the schema, and the description does not need to repeat it.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific operation ('Hex-encode'), the input type ('input string'), and the output format ('lowercase hex'). This clearly distinguishes it from related siblings such as decode_hex and encode_base64.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It explicitly names target use cases: 'wire formats, hashes and calldata'. This gives an agent context for when to choose this tool, though it does not explicitly contrast it with alternatives like encode_base64.

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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