onetool-mcp: OneTool MCP is a single MCP server that bundles 100+ tools — Brave search, Google, Context7, AWS, Playwright, Chrome DevTools, Excel, database operations, and more. Instead of registering each tool individually and burning context on their definitions, agents write short Python code to call any tool on demand. Anthropic engineering research backs this approach: code execution reduces token usage by over 98%, cutting costs dramatically when agents need many external tools.; qasphere-mcp: QA Sphere MCP Server is a Model Context Protocol server that enables LLMs to interact with QA Sphere test cases. It allows discovering, summarizing, and chatting about test cases directly within AI-powered IDEs that support MCP.
Cutting MCP token overhead when an agent needs 10+ external tools
Developers can reference and review test cases without leaving their coding environment