Automate MCP tool and resource handler tests with Vitest and mock contexts.
npx skills add https://github.com/cyanheads/mcp-ts-core --skill api-testing-cyanheads
Please help me install this Agent Skill. Skill: api-testing Source: https://github.com/cyanheads/mcp-ts-core/tree/main/skills/api-testing Command: npx skills add https://github.com/cyanheads/mcp-ts-core --skill api-testing-cyanheads
Tests target MCP tool/resource handlers to ensure correct behavior under a variety of mock contexts and error scenarios, enabling reliable, repeatable validation of tooling logic. These patterns cover mock context options, handler testing, MCP error assertions, formatting checks, and test isolation conventions to guide consistent test authoring.
Install dependencies and run vitest to execute the MCP testing patterns and mock-context based tests.
High-intent search queries and answers about installing and using this skill.
Testing MCP tool handlers involves using mock context utilities within Vitest to automate unit and integration tests. This setup provides deterministic validation by standardizing mock contexts, verifying handler invocation, and checking error handling and formatting.
The best way to isolate MCP resource handler tests is by applying test isolation conventions and reusing test fixtures. Using Vitest with mock context utilities ensures deterministic and repeatable validation of your tooling logic.
Yes, a TypeScript project layout is required along with Vitest and the MCP testing utilities from @cyanheads/mcp-ts-core. These dependencies enable deterministic test execution and reusable fixtures for MCP tooling components.
You assert MCP errors and verify formatting by applying specific testing patterns within your Vitest suite. These patterns guide consistent test authoring by covering mock context options, handler invocation, and formatting checks.
Yes, the mock context testing patterns support both unit and integration tests for MCP tooling components. They provide comprehensive testing coverage including handler invocation, error handling, and formatting verification using Vitest.
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