A comprehensive toolkit SDK for building MCP (Model Context Protocol) tools with support for multiple runtime environments including Node.js, Python, and native C/Objective-C plugins
MCPStudio ToolSDK exhibits significant quality gaps across naming, descriptions, and schemas. While 29 tools are defined with basic descriptions and input schemas, most descriptions are generic (avg ~60 chars, well below the 194-char baseline). Naming is inconsistent: verb_noun pattern is present (e.g., 'analyzeDirectory', 'createDirectory') but many tools lack clarity on scope or side effects. Schemas exist but are minimal, most parameters lack type constraints, enums, or validation guidance. No output schemas are documented. Error handling is absent; tools provide no recovery guidance. Security concerns: file operations expose raw paths without sanitization hints; HTTP tools accept arbitrary URLs without validation. Composition issues: 'openFile' and 'readFile' are duplicates; 'saveFile' and 'writeFile' are duplicates. No pagination, rate limiting, or idempotency guarantees documented.
Analyzes a directory and returns information about its contents
Makes an API request with custom method, headers, and body
Checks the HTTP status of a URL
Checks the syntax of a C/C++ source file using clang
Compiles a C/C++ source file using clang
Builds a project using make and clang
Creates a directory at the specified path, including parent directories if needed
Duplicate tools with identical functionality: 'openFile'/'readFile' and 'saveFile'/'writeFile' create ambiguity for LLM tool selection. Per pattern:tool, each tool should have one clear responsibility.
Descriptions are generic and under 50 chars for most tools (e.g., 'Returns the path to the user's documents directory'). Per pattern:tool-description baseline of 194 chars, descriptions lack context on WHEN to use each tool and what distinguishes it from similar tools.
No output schemas documented for any tool. LLMs cannot plan downstream calls or extract required fields. Per pattern:tool, all tools must document return types and structure.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | F | 44 | 2025-06-18+ | v2 |
Deletes a file at the specified path
Downloads a file from a URL and saves it locally
Fetches data from a URL using GET request
Fetches JSON data from a URL
Checks if a file or directory exists at the specified path
Installs a Gemma model to LM Studio
Updates a Gemma model in LM Studio
Merges multiple Gemma LoRA adapters
Trains a LoRA adapter for Gemma model
Verifies a Gemma master model
Returns the path to the user's documents directory
Returns the path to the system temporary directory
Performs a search using Kimi search API
Performs a professional search using Kimi search API
Lists the contents of a directory at the specified path
Opens and reads a file at the specified path (alias for readFile)
Posts data to a URL using POST request
Reads and returns the content of a file at the specified path
Saves content to a file at the specified path
Scrapes content from a webpage
Calls a webhook endpoint
Writes content to a file at the specified path (alias for saveFile)
HTTP tools (fetchData, postData, apiRequest, scrapeWebpage) accept arbitrary URLs and headers without validation guidance. No mention of URL sanitization, timeout handling, or rate limiting. Per pattern:tool-gateway, all agent-provided input must be treated as untrusted.
File operation tools (deleteFile, saveFile, writeFile) expose raw filesystem paths without sanitization hints or path traversal protection guidance. Per pattern:secret-injection and pattern:tool-gateway, tools must validate and sanitize all inputs.