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XSD Library of Congress · 1.2

MARCXML

MARC 21 XML

MARC 21 bibliographic, authority and holdings records in XML, as exported by library systems.

Validate with this schema Try it with the example

About

MARCXML carries MARC 21 records field by field: leader, control fields and data fields with indicators and subfields. Library systems, OAI-PMH endpoints and catalogue exports use it.

Good to know

  • The schema checks the record structure, not MARC 21 content rules (which tags, indicators and subfield codes are defined).
  • The example is by xmlvalid.com.

Files

1 file · 6.9 KB

Example document

record.xml · 1.2 KB · valid against this schema

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In CI and from code

The same schema by its name, marcxml, through the API.

npx @xmlvalid/cli validate "**/*.xml" --schema marcxml
- uses: xmlvalid/validate-action@v1
  with:
    files: "**/*.xml"
    schema: marcxml
    api-key: ${{ secrets.XMLVALID_API_KEY }}
curl https://xmlvalid.com/api/v1/validations \
  -H "Authorization: Bearer $XMLVALID_API_KEY" \
  -F document={{ $schema->example ?? 'document.xml' }} -F schema=marcxml

Free accounts get 100 API validations a month. On Pro, a URL monitor can check a published document against this schema every hour and email you when it breaks. More CI setups