What this MCP does
Diagnoses modded Minecraft crashes and reports observed mod compatibility and laboratory test results.
Tools
Input schema
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Crash report or latest.log, unedited.'}}}
Output schema
{'type': 'object', 'required': ['kind', 'confidence', 'suspects', 'guide', 'source'], 'properties': {'mc': {'type': ['string', 'null']}, 'kind': {'enum': ['MIXIN_FAILED', 'MISSING_CLASS', 'OUT_OF_MEMORY', 'MOD_LOADING', 'GENERIC'], 'type': 'string'}, 'error': {'type': 'string', 'description': 'The root exception and its message.'}, 'guide': {'type': 'string', 'description': 'How to fix this kind of crash.'}, 'loader': {'type': ['string', 'null']}, 'source': {'type': 'string'}, 'suspects': {'type': 'array', 'items': {'type': 'object', 'properties': {'id': {'type': 'string'}, 'name': {'type': 'string'}, 'score': {'type': 'number'}, 'reasons': {'type': 'array', 'items': {'type': 'string'}}, 'lab_runs': {'type': 'integer', 'description': 'Lab runs of this mod on this MC version.'}}}, 'description': 'Most likely first.'}, 'signature': {'type': 'string', 'description': 'Stable id of this crash shape.'}, 'confidence': {'enum': ['HIGH', 'MEDIUM', 'LOW', 'NONE'], 'type': 'string', 'description': 'How sure the first suspect is the cause.'}, 'description': {'type': 'string'}}}
Input schema
{'type': 'object', 'required': ['mod_id'], 'properties': {'mc': {'type': 'string', 'description': 'Minecraft version, e.g. 1.21.1 or 26.2. Omit for all versions.'}, 'mod_id': {'type': 'string', 'description': 'Mod id, e.g. sodium.'}}}
Output schema
{'type': 'object', 'required': ['mod', 'tested', 'runs', 'pairs', 'data'], 'properties': {'mc': {'type': ['string', 'null']}, 'mod': {'type': 'string'}, 'data': {'type': 'object', 'properties': {'built': {'type': 'string'}, 'license': {'type': 'object'}}, 'description': 'Snapshot date and license of the lab data; attribute when quoting.'}, 'runs': {'type': 'array', 'items': {'type': 'object', 'properties': {'mc': {'type': 'string'}, 'env': {'type': 'string'}, 'sha1': {'type': 'string'}, 'detail': {'type': 'string'}, 'source': {'type': 'string'}}}, 'description': 'env: server, client or crashes.'}, 'pairs': {'type': 'array', 'items': {'type': 'object', 'properties': {'mc': {'type': 'string'}, 'env': {'type': 'string'}, 'with': {'type': 'string'}, 'detail': {'type': 'string'}, 'source': {'type': 'string'}}}, 'description': 'env: server, client or clash.'}, 'tested': {'type': 'boolean', 'description': 'False: the lab never ran this mod.'}}}
Input schema
{'type': 'object', 'required': ['mod_a', 'mod_b'], 'properties': {'mc': {'type': 'string', 'description': 'Minecraft version, e.g. 1.21.1 or 26.2. Omit for all versions.'}, 'mod_a': {'type': 'string', 'description': 'Mod id, e.g. iris.'}, 'mod_b': {'type': 'string', 'description': 'Mod id, e.g. sodium.'}}}
Output schema
{'type': 'object', 'required': ['mods', 'verdict', 'runs', 'data'], 'properties': {'mc': {'type': ['string', 'null']}, 'data': {'type': 'object', 'properties': {'built': {'type': 'string'}, 'license': {'type': 'object'}}, 'description': 'Snapshot date and license of the lab data; attribute when quoting.'}, 'mods': {'type': 'array', 'items': {'type': 'string'}}, 'runs': {'type': 'array', 'items': {'type': 'object', 'properties': {'mc': {'type': 'string'}, 'env': {'type': 'string'}, 'detail': {'type': 'string'}, 'source': {'type': 'string'}}}}, 'verdict': {'enum': ['ran_together', 'clash', 'untested'], 'type': 'string', 'description': 'untested: no lab run, not a known conflict.'}}}
Recent tool changes
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