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This is a template/placeholder server with a single trivial tool. The hello_world tool has a basic description and minimal schema. The description is generic placeholder text ('This is a placeholder tool, replace it with your actual MCP tool implementation') that explicitly acknowledges this is not production code. Input schema exists but is minimal (single optional string param). No output schema documented. No error handling guidance. No tool annotations. This server is intentionally a skeleton and should not be evaluated as a real implementation, it's a starting point for developers to build upon.
Returns a greeting message. This is a placeholder tool — replace it with your actual MCP tool implementation that solves a real problem for the user.
Tool description is placeholder text, not production-ready. States 'This is a placeholder tool, replace it with your actual MCP tool implementation' instead of describing actual behavior.
No output schema documented. LLMs cannot infer what fields the tool returns or plan downstream operations.
Tool name 'hello_world' does not follow verb_noun convention. Should be 'greet_user' or similar action-oriented name.
No error handling guidance. Tool provides no recovery hints if invocation fails.
No tool annotations (readOnlyHint, destructiveHint, idempotentHint). LLMs cannot infer safety properties.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | F | 37 | 2025-06-18+ | v2 |