ZV-2026-0184 · 2026-08-19 · mcp.3tg.dev
mcp.3tg.dev: Tool create_agent_instructions was removed.
breaking
What changed
Tool create_agent_instructions was removed. Tool create_mock_for_function was removed. Tool create_spec was removed. Tool create_spec_for_function was removed. Tool create_tests was removed. Tool create_tests_from_spec was removed. Tool get_client_info was removed. Tool help was removed. Tool validate_config was removed. Tool validate_spec was removed. Resource 3tg://meta/version was removed, consumers reading it will break. Resource 3tg://schema/config was removed, consumers reading it will break. Resource 3tg://spec/syntax was removed, consumers reading it will break. Resource 3tg://template/project-agents-md was removed, consumers reading it will break.
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
− create_agent_instructions Tool create_agent_instructions was removed. − create_mock_for_function Tool create_mock_for_function was removed. − create_spec Tool create_spec was removed. − create_spec_for_function Tool create_spec_for_function was removed. − create_tests Tool create_tests was removed. − create_tests_from_spec Tool create_tests_from_spec was removed. − get_client_info Tool get_client_info was removed. − help Tool help was removed. − validate_config Tool validate_config was removed. − validate_spec Tool validate_spec was removed. − 3tg://meta/version Resource 3tg://meta/version was removed, consumers reading it will break. − 3tg://schema/config Resource 3tg://schema/config was removed, consumers reading it will break. − 3tg://spec/syntax Resource 3tg://spec/syntax was removed, consumers reading it will break. − 3tg://template/project-agents-md Resource 3tg://template/project-agents-md was removed, consumers reading it will break. + configure Prompt configure was added. + generate-tests Prompt generate-tests was added.