Creeds & Confessions of the Church

Searchable creeds, confessions, and catechisms of the church.

Or ask a question in your own words and get an answer drawn from the documents.

The Ecumenical Creeds

• The Apostles’ CreedThe ancient baptismal confession
• The Nicene CreedNicaea 325 · Constantinople 381
• The Athanasian CreedQuicunque Vult

The Westminster Standards

• Westminster Confession of Faith33 chapters
• Westminster Shorter Catechism107 questions
• Westminster Larger Catechism196 questions

Each of these carries the OPC lettered scripture proofs in collapsible callouts, and can be read either in the constitutional text or in the 2025 Modern English Study Version — use the toggle in the toolbar. The MESV is for study only and carries no constitutional authority.

The Three Forms of Unity

• The Belgic Confession1561 · 37 articles
• The Heidelberg Catechism1563 · 129 questions
• The Canons of Dort1619 · Five main points of doctrine

The OPC Book of Church Order

• The Form of Government32 chapters
• The Book of Discipline9 chapters
• The Directory for the Public Worship of GodPreface and 5 chapters

Scripture Index

The confessions cite scripture; the scripture index reads the other way. Look up a book of the Bible and see every section of the Westminster Standards and the Heidelberg Catechism that cites it.

Downloads and tools

The Westminster Standards as PDFs: two-column comparisons of the constitutional text against the 2025 MESV, and the OPC print layouts.

For the terminal, the Westminster Standards CLI reads, searches, and quizzes you on the same OPC constitutional text and 2025 MESV that this site carries. Install it with uv tool install westminster-standards-cli, then run ws wcf 1 or ws wsc 1 --question.