---

title: Operators must be extensible by projects through the multifile hooks operator/2 and mutate/4. status: open text_ref: readme:README.md#L128 tags:

• strict-modeling
• confidence:0.90
• confidence-band:high
• provenance:readme-readme-md-l128
• lane:strict

semantic_text: Operators must be extensible by projects through the multifile hooks operator/2 and mutate/4. logic_claims:

• CLAIM-52A2B13D36667257

semantic_clauses:

• Operators must be extensible by projects through the multifile hooks operator/2 and mutate/4.

semantic_inventory_version: kibi.semantic-inventory.v1 semantic_source_field: semantic_text semantic_source_hash: 891daae6b526c35c6938667770b408a109c2fde8908eac38ecdceef26f5fbba6 semantic_inventory:

• claim_key: CLAIM-52A2B13D36667257 claim_text: Operators must be extensible by projects through the multifile hooks operator/2 and mutate/4 role: normative status: modeled span: start: 0 end: 108 origin: kind: import ref: readme:README.md#L128 recorded_at: '2026-10-29T16:05:30.459Z' firmness: firm required_evidence: asserted id: REQ-AUTO-211A7AC532ADA588 type: req --- Operators must be extensible by projects through the multifile hooks operator/2 and mutate/4.

Source

Operators are clauses of the multifile hooks operator/2 and mutate/4, so a project can add its own

Source: Mutalog README - README.md#L128