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by io.github.tronsave
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Extendable Receivers

tronsave_list_extendable_receivers
Read-onlyIdempotent

List the receiver addresses that have delegations bought by requester which can still be extended, with expiry time (Unix seconds), delegation count and total amount. Use as the first step of an extension flow to find which receiver to extend, then tronsave_list_extendable_delegates (market view) or tronsave_internal_extend_delegates (API-key path, returns the extendData to submit). Public (any requester address), read-only.

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": {
      "requester": "<requester>"
    },
    "name": "tronsave_list_extendable_receivers"
  }
}

Input Schema

NameRequiredDescriptionDefault
requesterYesTRON base58 address that bought the delegations.
resourceTypeNoOnly delegations of this resource; omit for both.

Output Schema

NameRequiredDescriptionDefault
receiversNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / resourceType / description
      Added value: +"Only delegations of this resource; omit for both."
  2. Added

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true and openWorldHint=true, so the safety profile is covered; the description reinforces this with 'Public (any requester address), read-only'. It adds useful context about output contents and the flow, though it does not detail pagination or result-size behavior.

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?

Two sentences, front-loaded with the core purpose and followed by the flow guidance; nothing is wasted. Slightly dense with backtick-quoted sibling names but still readable and purposeful.

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

Completeness5/5

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

Given an output schema exists and annotations cover the safety profile, the description supplies exactly the missing pieces: public accessibility, downstream flow, and output field meanings. Nothing an agent needs to invoke it correctly is absent.

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 the schema already documents both requester and resourceType. The description references 'requester' and 'bought by requester' but adds no syntax or format detail beyond the schema, so the baseline 3 applies.

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?

States a specific verb (List) and resource (receiver addresses with extendable delegations bought by requester), and even names the output fields (expiry in Unix seconds, delegation count, total amount). It is clearly distinguishable from sibling list tools by tying the result to the extension flow.

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

Usage Guidelines5/5

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

Explicitly frames this as the first step of an extension flow and names the two downstream alternatives with their selecting condition (market view vs API-key path returning extendData). The when-to-use and the branch point are fully specified.

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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