ZV-2026-0149 · 2026-08-18 · mcp.3tg.dev
mcp.3tg.dev: Prompt configure was removed.
breaking
Observed 2 times on this server, most recently 2026-08-18. A contract that keeps reverting is unstable, not fixed.
What changed
Prompt configure was removed. Prompt generate-tests was removed.
What to do
If your agents call mcp.3tg.dev, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.
The redline
− configure Prompt configure was removed. − generate-tests Prompt generate-tests was removed. + create_agent_instructions Tool create_agent_instructions was added. + create_mock_for_function Tool create_mock_for_function was added. + create_spec Tool create_spec was added. + create_spec_for_function Tool create_spec_for_function was added. + create_tests Tool create_tests was added. + create_tests_from_spec Tool create_tests_from_spec was added. + get_client_info Tool get_client_info was added. + help Tool help was added. + validate_config Tool validate_config was added. + validate_spec Tool validate_spec was added. + 3tg://meta/version Resource 3tg://meta/version was added. + 3tg://schema/config Resource 3tg://schema/config was added. + 3tg://spec/syntax Resource 3tg://spec/syntax was added. + 3tg://template/project-agents-md Resource 3tg://template/project-agents-md was added.