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TegroTON

Tegro Wallet MCP

Official
by TegroTON

ton_get_jettons

List all jetton (token) balances for a TON wallet address, including fiat value where available.

Instructions

List jetton (token) balances held by a TON address, with fiat value where the token is priced.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
addressYesTON wallet address — raw (0:…) or friendly (EQ…/UQ…)
currencyNofiat code: usd, eur, rub, …usd

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.1/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full disclosure burden. It does state one useful trait — fiat value is only present "where the token is priced" — but says nothing about read-only semantics, pagination, result limits, or whether the address must be validated first, which are meaningful gaps for a balance-listing tool.

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?

A single front-loaded sentence with no filler; the resource and scope come first and the valuation caveat follows. Nothing is wasted.

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

Completeness3/5

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

For a simple two-parameter read tool with no output schema, the description covers the core operation and the pricing caveat. It still omits pagination/result-size behavior and any note about address format handling, which the schema covers but the agent may need framed in context.

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% and both parameters are documented in the schema, so the baseline is 3. The description's mention of fiat value loosely maps to the currency parameter but adds no format or default detail beyond what the schema already supplies.

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 gives a specific verb and resource ("List jetton (token) balances held by a TON address") plus a qualifier about fiat valuation, which separates it from siblings like ton_get_jetton_info (metadata) and ton_get_nfts. It stops short of naming any sibling explicitly, so it is clear but not fully differentiated.

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 when-to-use or when-not guidance and no mention of alternatives such as ton_get_jetton_info or ton_get_account. The agent must infer the appropriate context purely from the tool name.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.