Witness for MCP calls rejected pre-dispatch: hash-chained ledger, enum differ, signed receipts.
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Tool list from our last check. Connect live to refresh it.
Enum schema-vs-upstream differ scan, $4.99/server up to 25 tools.
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Enum schema-vs-upstream differ scan, $4.99/server up to 25 tools.
| Argument | Type | Description |
|---|---|---|
| tools | array | |
| server_id | string |
{
"type": "object",
"properties": {
"tools": {
"type": "array"
},
"server_id": {
"type": "string"
}
}
}Ask whether a call was rejected pre-dispatch, by which constraint, and whether substitution is forbidden (DO-NOT-SUBSTITUTE). $0.01/query; one free query per operator ever.
| Argument | Type | Description |
|---|---|---|
| tool | string | |
| field | string |
{
"type": "object",
"properties": {
"tool": {
"type": "string"
},
"field": {
"type": "string"
}
}
}Record a validator rejection (value hashed only).
| Argument | Type | Description |
|---|---|---|
| tool* | string | |
| field* | string | |
| value | any | |
| constraint* | string | |
| intent_bearing | boolean |
{
"type": "object",
"required": [
"tool",
"field",
"constraint"
],
"properties": {
"tool": {
"type": "string"
},
"field": {
"type": "string"
},
"value": {},
"constraint": {
"enum": [
"enum",
"maxLength",
"required",
"type"
],
"type": "string"
},
"intent_bearing": {
"type": "boolean"
}
}
}