---

title: Reporter must write mutation.json in the open mutation-testing-report-schema format, schema version 2. status: open text_ref: readme:README.md#L70 tags:

• strict-modeling
• confidence:0.90
• confidence-band:high
• provenance:readme-readme-md-l70
• lane:strict

semantic_text: Reporter must write mutation.json in the open mutation-testing-report-schema format, schema version 2. logic_claims:

• CLAIM-435F0DED4CBD57E9

semantic_clauses:

• Reporter must write mutation.json in the open mutation-testing-report-schema format, schema version 2.

semantic_inventory_version: kibi.semantic-inventory.v1 semantic_source_field: semantic_text semantic_source_hash: f896d25fedfaeeba4ed4678d323e0b191c075b83d41c285cc061cd641c54e5b2 semantic_inventory:

• claim_key: CLAIM-435F0DED4CBD57E9 claim_text: Reporter must write mutation.json in the open mutation-testing-report-schema format, schema version 2 role: normative status: modeled span: start: 0 end: 101 origin: kind: import ref: readme:README.md#L70 recorded_at: '2026-10-29T16:05:38.420Z' firmness: firm required_evidence: asserted id: REQ-AUTO-20DC4E062C4C1FC7 type: req --- Reporter must write mutation.json in the open mutation-testing-report-schema format, schema version 2.

Source

mutation.json follows the open mutation-testing-report-schema format, schema version 2

Source: Mutalog README - README.md#L70