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Myworker — 20 paid crypto & AI micro-APIs (x402)

by io.github.princearies
OverviewDiscussionsAdmin

Quote swap

quote

Quote pertukaran sebenar dari Jupiter: outAmount, priceImpact, route. Input: "dari", "ke", "jumlah" (unit terkecil, cth lamports). || HARGA: $0.0100 USDC per panggilan. Pelaksanaan: POST https://crypto-micro-agent.mykira.workers.dev/api/agent/quote (x402; data/langsung).

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": {
      "dari": "<dari>",
      "ke": "<ke>",
      "jumlah": "<jumlah>"
    },
    "name": "quote"
  }
}

Input Schema

NameRequiredDescriptionDefault
keYesMint/simbol output (cth usdc)
dariYesMint/simbol input (cth sol)
jumlahYesJumlah dalam unit terkecil (cth lamports)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3.2/5.0
Behavior3/5

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

No annotations are provided, so the description carries the full behavioral burden. It does disclose genuinely useful context: paid access at $0.0100 USDC per call, the x402 protocol, the POST endpoint, and live data. It does not clarify that this is quote-only and executes no transaction, nor does it mention rate limits or the failure modes of a live pricing endpoint.

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

Conciseness4/5

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

The useful content is front-loaded: what it returns, then the inputs, then cost and transport. It is compact and each clause carries information. The mixed-register and the '||' separator are slightly awkward but cost nothing in comprehension.

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 no output schema, the description correctly names the return fields (outAmount, priceImpact, route), and it covers inputs, cost, and access method. An agent has enough to invoke it. The only real gap is the absence of any guidance on when this beats its pricing siblings.

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%, so three is the baseline. The description restates the same names and the same 'unit terkecil, cth lamports' note already present in the schema's 'jumlah' description, adding no new meaning beyond the structured fields.

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 states a specific verb+resource: fetch a real Jupiter swap quote and returns outAmount, priceImpact, route. That is concrete and tells an agent exactly what the tool produces. It does not, however, distinguish itself from adjacent siblings like 'harga' or 'fx-kadar', which are not mentioned.

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 explicit when-to-use statement, no prerequisite, and no routing to or away from alternatives such as 'harga' or 'fx-kadar'. The input enumeration implies usage but the agent is left to infer when a swap quote is the right call versus a plain price lookup.

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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