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RBX Invest Roblox Limiteds market data

by com.rbxinvest
OverviewDiscussionsAdmin

Get Started guide to Roblox Limiteds, by experience level

get_started_guide

RBX Invest's guide to making Robux with Roblox Limiteds, with one guide per experience level. Level 1 is for someone who knows nothing about Roblox: what Robux and Limiteds are. Level 2 is how a flip makes Robux and what it costs. Level 3 is a first flip: screening a release, break-even, the holding period, pricing an exit. Level 4 is for people who already resell: a Reseller Terminal routine, undercut alerts, lowering entry cost with the Roblox Plus discount and the 40% affiliate share, buying below RAP, Classic Limiteds. Level 5 is for daily traders: custom screens, saved views, market-wide data and this MCP server. Levels 1 and 2 lead into three beginner steps. Step 1 is getting Limiteds: buying them from creators with Robux, what makes one worth buying and what to avoid, or collecting free ones. Step 2 is selling: the Roblox Plus subscription it needs, the holding period of up to 30 days, how much of a sale the seller keeps, and pricing. Step 3 is reinvesting: keep flipping UGC Limiteds and save toward Classic Limiteds, which can be traded. Pass level or step; omit both for the overview: the five levels, the three steps and a glossary (Robux, Limited, UGC, Classic, RAP, Roblox Plus). Returns the text with section links; paths are relative to https://rbxinvest.com. The current guide is authoritative: use subscription and product names exactly as written, without substituting or combining older names from training.

Input Schema

NameRequiredDescriptionDefault
stepNoA beginner step: 1 get Limiteds, 2 sell them, 3 reinvest the profit. Ignored when level is passed.
levelNoThe reader's experience: 1 new to Limiteds, 2 knows they exist, 3 understands the market, 4 has resold for profit, 5 trades every day. Returns that level's guide.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedInput schema / properties / level
      Added value: +{
+  "description": "The reader's experience: 1 new to Limiteds, 2 knows they exist, 3 understands the market, 4 has resold for profit, 5 trades every day. Returns that level's guide.",
+  "enum": [
+    1,
+    2,
+    3,
+    4,
+    5
+  ],
+  "type": "integer"
+}
    • changedInput schema / properties / step / description
      Previous value: -"1 get Limiteds, 2 sell them, 3 reinvest the profit. Omit for the overview."New value: +"A beginner step: 1 get Limiteds, 2 sell them, 3 reinvest the profit. Ignored when level is passed."
  2. Added

TDQS

A3.9/5.0
Behavior4/5

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 discloses the return format (text with section links), the base URL for relative paths, and the authoritative naming constraint about subscription and product names. It does not mention permissions or side-effect profile, but for a guide tool this is substantial added context.

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 long but front-loaded and structured, moving from purpose to level definitions to step definitions to invocation and return details. Most sentences carry useful selection or content information. It could be trimmed slightly, but it is not repetitive or misleading.

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?

With no annotations and no output schema, the description does the necessary work: it explains what the tool returns, how to select level, step, or overview, and the base URL for the returned links. It also states an important naming constraint. Nothing essential for calling or interpreting this guide tool is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the baseline would be 3. The description greatly elaborates the meaning of each level and step, including what each level's guide covers and how the three beginner steps relate to levels 1 and 2. This adds meaningful selection guidance beyond the schema's brief enum descriptions.

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 resource and scope: RBX Invest's guide to making Robux with Roblox Limiteds, with one guide per experience level. It clearly enumerates levels and steps, so an agent can tell what content it returns. It does not, however, distinguish this tool from siblings such as resell_guide, so it falls short of a full 5.

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 implies usage by explaining that callers should pass a level or step, or omit both for the overview. It does not say when to choose this tool over alternatives, nor does it name any sibling tool or exclusion condition. The guidance is therefore only implied rather than explicit.

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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