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eve-sde-mcp

eve-sde-mcp

by ramonvanalteren
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

get_region

Retrieve an Eve Online region with its constellations and system count by providing region ID or name.

Instructions

Get an Eve Online region with its constellations and system count.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "get_region"
  }
}

Input Schema

NameRequiredDescriptionDefault
region_idNoregionID
nameNoRegion name (if region_id not provided)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.3/5.0
Behavior2/5

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

No annotations provided, so description carries full burden. It only states the action and result scope, but does not disclose authentication needs, rate limits, data freshness, or any side effects. The read behavior is implied but not confirmed.

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?

Single sentence with no superfluous information. All words contribute to the purpose. Efficient and well-structured.

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 retrieval tool with no output schema, the description covers the basic purpose and parameter options. However, it lacks details on return format, pagination, or error handling, which could be useful for an agent.

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% with basic descriptions for both parameters. The description adds no additional meaning beyond 'regionID' and 'Region name', so baseline score of 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?

Description clearly states the verb 'Get' and the resource 'Eve Online region', and specifies the scope 'with its constellations and system count'. This distinguishes it from sibling tools like get_system or get_station, which retrieve different entities.

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?

No guidance on when to use this tool versus alternatives. No mention of prerequisites, when region_id vs name is preferred, or contrast with siblings like query_sde or search_systems.

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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