Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
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Produce a concrete independently revalidated JSON-Schema/MCP backward-compatibility witness before merge/deploy. UNKNOWN or NO_WITNESS_FOUND never means compatible.
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Produce a concrete independently revalidated JSON-Schema/MCP backward-compatibility witness before merge/deploy. UNKNOWN or NO_WITNESS_FOUND never means compatible.
| Argument | Type | Description |
|---|---|---|
| mode* | string | |
| options | object | |
| new_schema* | any | |
| old_schema* | any |
{
"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": {}
}
]
}
}
}