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VeChain MCP Server

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by vechain

B3TR: Actions for a user

getB3TRActionsForUser
Read-onlyIdempotent

Fetches B3TR actions and their impacts for a user wallet. Filter by app or time range to analyze specific interactions.

Instructions

Get B3TR actions for a user and the impacts of those actions via /api/v1/b3tr/actions/users/{wallet}. Optionally filter by appId and time range.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNo
sizeNo
afterNoReturn records after this Unix timestamp in seconds (e.g. 1754179200 for 2025-08-03T00:00:00Z). Use seconds, NOT milliseconds.
appIdNoOptional B3TR appId (veBetterDaoId — 32-byte hex) to filter interactions. If the user gives a human-readable app name (e.g. "Mugshot"), resolve it via getAppHubApps first and pass the resulting veBetterDaoId here.
beforeNoReturn records before this Unix timestamp in seconds (e.g. 1754265600 for 2025-08-04T00:00:00Z). Use seconds, NOT milliseconds.
walletYesUser wallet address (0x...) or VNS name (e.g. foo.vet)
directionNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYes
dataNoList response for B3TR actions for an app
errorNo
networkYes
Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint hints. The description adds context about returning impacts and optional filtering but does not contradict annotations or provide additional behavioral traits beyond what annotations cover.

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 description is two sentences, concise and to the point. It front-loads the core purpose and endpoint. Minor improvement could be adding structure for clarity, but overall efficient.

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?

The description covers the main purpose and optional filters. With output schema present, return values are not needed. However, it omits pagination parameters (page, size) and direction, which reduces completeness for a 7-parameter 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 coverage is 57%, with descriptions for after, before, appId, wallet. The description does not add new parameter semantics beyond the schema; it only restates optional filtering. Given partial schema coverage, a baseline score of 3 is appropriate.

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 clearly states the verb 'Get', the resource 'B3TR actions for a user', and the endpoint path. It distinguishes from sibling tools like getB3TRActionsForApp by specifying 'for a user'.

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

Usage Guidelines3/5

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

The description mentions optional filters but does not explicitly state when to use this tool over alternatives like getB3TRActionsForApp or getB3TRUserOverview. No when-not or prerequisite guidance is provided.

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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