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jarvismaximum-hue

ProfitPlay MCP Server

by jarvismaximum-hue
OverviewSchemaRelated ServersScoreDiscussions
JavaScript
Remote

chat

Send messages in the ProfitPlay arena chat to communicate with other participants during trading and prediction market activities.

Instructions

Send a message in the ProfitPlay arena chat.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
messageYesChat message to send

Implementation Reference

  • src/index.ts:197-198 (handler)
    The handler for the 'chat' tool that posts the provided message to the '/api/chat' endpoint.
    case "chat":
  return { content: [{ type: "text", text: JSON.stringify(await apiPost("/api/chat", { content: args?.message }), null, 2) }] };
  • src/index.ts:116-125 (schema)
    Definition of the 'chat' tool schema, including input validation for the message parameter.
      name: "chat",
  description: "Send a message in the ProfitPlay arena chat.",
  inputSchema: {
    type: "object" as const,
    properties: {
      message: { type: "string", description: "Chat message to send" },
    },
    required: ["message"],
  },
},

Tool Definition Quality

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 burden. While 'Send' implies a write operation, the description lacks disclosure of side effects, authentication requirements, rate limits, or whether the user must be actively participating in an arena to use this.

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?

The description is a single, efficient sentence of seven words with no redundancy. It is appropriately front-loaded with the action verb.

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 single-parameter tool without output schema, the description is minimally adequate. However, given the presence of sibling tools like 'register' and 'arena', it lacks context on prerequisites (e.g., whether the user must be registered or in an active arena to chat).

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?

With 100% schema description coverage, the input schema already fully documents the 'message' parameter. The description adds no additional semantic meaning beyond what the schema provides, meeting the baseline expectation.

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 provides a specific verb ('Send') and resource ('message') with clear context ('ProfitPlay arena chat'). However, it does not explicitly differentiate from siblings like 'arena' which might be related to the same domain.

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?

The description states what the tool does but provides no guidance on when to use it versus alternatives, prerequisites (e.g., registration), or conditions under which it should not be used.

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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