Witness
What this MCP does
Generates independently revalidated backward-compatibility evidence for JSON Schema and MCP changes.
Tools
Input schema
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['mode', 'old_schema', 'new_schema'], 'properties': {'mode': {'enum': ['input_backward_compatibility', 'output_backward_compatibility'], 'type': 'string'}, 'options': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'new_schema': {'anyOf': [{'type': 'boolean'}, {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}]}, 'old_schema': {'anyOf': [{'type': 'boolean'}, {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}]}}}
Recent tool changes
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