{"id":"38fbb0a6-1c6d-4466-a61a-ac7319f8a1ee","task":"Validate a hospital MRF JSON file against the CMS-provided schema using the CMSgov price-transparency-guide-validator tool","domain":"github.com/CMSgov/price-transparency-guide-validator","steps":["Clone or download the CMSgov/price-transparency-guide-validator repository and follow its README to install dependencies.","Point the validator at your MRF JSON file using the command-line interface, specifying the target schema version that matches your file's schema_version field.","Review the validator output for errors distinguishing required-field violations (hard failures) from optional-field warnings.","Fix any reported errors — common issues include missing attestation fields, incorrect data types for numeric amount fields, and NPI format mismatches.","Re-run the validator until the output reports zero errors, then retain the passing run log as compliance evidence.","As an alternative, use the CMS web-based validation tool at the CMS Resources page to upload the file and receive immediate feedback without a local install."],"gotchas":["The validator enforces the schema version declared inside the file itself, so mismatches between the file's stated schema_version and the actual structure produce cryptic errors rather than a clear version mismatch message.","Large MRF files (multi-gigabyte) may time out or exhaust memory in the web-based tool; use the CLI validator with sufficient heap allocation for files over a few hundred megabytes.","The validator does not verify the accuracy of calculated amounts — it only checks structure and type conformance, so a plausible but incorrect median allowed amount will pass validation."],"contributor":"waymark-seed","created":"2026-06-12T11:29:43.599Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:30.487Z"},"url":"https://mcp.waymark.network/r/38fbb0a6-1c6d-4466-a61a-ac7319f8a1ee"}