Add ergonomic Client class for testing MCP servers (#1870) #158

Job	Run time
checks / readme-snippets	13s
checks / pre-commit	33s
checks / test (3.11, lowest-direct, windows-latest)	2m 42s
checks / test (3.11, lowest-direct, ubuntu-latest)	44s
checks / test (3.10, locked, ubuntu-latest)	44s
checks / test (3.10, lowest-direct, windows-latest)	2m 23s
checks / test (3.12, locked, windows-latest)	3m 24s
checks / test (3.12, lowest-direct, ubuntu-latest)	50s
checks / test (3.12, lowest-direct, windows-latest)	4m 6s
checks / test (3.11, locked, ubuntu-latest)	48s
checks / test (3.13, locked, windows-latest)	2m 28s
checks / test (3.13, locked, ubuntu-latest)	42s
checks / test (3.10, locked, windows-latest)	2m 28s
checks / test (3.11, locked, windows-latest)	2m 48s
checks / test (3.12, locked, ubuntu-latest)	50s
checks / test (3.10, lowest-direct, ubuntu-latest)	46s
checks / test (3.13, lowest-direct, ubuntu-latest)	46s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 8s
checks / test (3.14, locked, ubuntu-latest)	2m 19s
checks / test (3.13, lowest-direct, windows-latest)	2m 31s
checks / test (3.14, locked, windows-latest)	3m 12s
checks / test (3.14, lowest-direct, windows-latest)	2m 15s
all-green	2s
	38m 42s

Provide feedback