create-mcp-eval

To generate evaluation tests for an MCP server, use the @mcpjam/sdk to automate test file creation. This produces Jest or Vitest compatible suites that measure tool-selection accuracy, argument correctness, and multi-turn LLM reasoning.

LLM-driven and deterministic test patterns for MCP servers are evaluation methods that validate tool calls and arguments. Deterministic tests use mocks, while LLM-driven tests prompt the model to verify appropriate tools are called with the correct parameters during multi-turn conversations.

Yes, the @mcpjam/sdk supports both Jest and Vitest frameworks for MCP server evaluation. You can generate eval tests compatible with either framework, validating tool-selection accuracy and argument correctness within your existing TypeScript testing environment.

To verify if an LLM correctly invokes MCP server tools, generate an evaluation test suite using the @mcpjam/sdk. The suite prompts the LLM with various requests and validates that appropriate tools are called with the right parameters, reporting results for analysis.

Yes, you can test multi-turn reasoning for your MCP server using TypeScript by generating automated eval tests. The @mcpjam/sdk creates test scenarios that validate multi-turn conversation flows, tool call matching, and argument correctness across Jest or Vitest.