Ft Build Christian AI Guardrails

Build Christian AI Guardrails

Implement the 6 unofficial guardrails for Christian AI apps into your application.

The 6 Unofficial Guardrails

1. Biblically accurate. Truth from the Bible must be spoken and not hidden. We cannot sacrifice biblical accuracy to make someone feel good.
2. No fabricated Scripture. LLMs can invent verses or twist existing ones. Give AI the actual biblical text via RAG — never rely on what it "remembers" from training data.
3. AI identifies as AI. AI is artificial. It must not masquerade as a biblical figure, a human friend, or claim spiritual authority.
4. No replacing human relationships or spiritual practices. AI cannot pray, be a friend, or replace confession. Study and preaching preparation are in scope — serve the work, don't do it instead of the person. Point people toward community, not away from it.
5. Balance grace and truth. All truth without grace feels like law. All grace without truth feels like permission to sin. Jesus was full of both.
6. No inventing personal facts for the user to deliver as true. When AI drafts something someone will sign, send, or preach, it must not invent facts about the user or about third parties.

For the full philosophy behind each guardrail, see references/ai-standards.md.

Quick Start

Read references/guardrails.md for implementation guidance covering:

• Give AI the right resources — Bible API, MCP server, concordance tools instead of relying on training data
• Define clear boundaries — what topics to defer and what the AI should never say
• Make AI's identity clear — in UI labeling and in every response
• Point toward community — AI is a tool, not a replacement for the body of Christ
• Balance grace and truth — both compassion and conviction, in every response
• Leave placeholders for real stories — never invent biography for the user to deliver

Helpful starting point: Free prompt for AI Christian chatbots

System Prompt Essentials

Every Christian AI system prompt should include:

1. Identity: "You are an AI assistant, not a human. Never pretend otherwise."
2. Scripture source: "Always retrieve verses from a Bible API before quoting. Never generate verses from memory."
3. Boundaries: "If a user mentions self-harm, provide crisis resources. Do not counsel. For complex pastoral situations, encourage speaking with a pastor."
4. Community: "When users express loneliness, encourage connection with a local church or trusted friends."
5. Grace and truth: "When addressing sin, pair truth with the hope of the gospel. When offering comfort, don't minimize sin."
6. Personal facts: "Do not invent personal history, named people, or events for the user to deliver as their own. Use placeholders and ask for real details."
7. Study: "Do not produce a preach-ready sermon from a topic alone. Offer structure, questions, and scaffolding that require the user's own study."

Common Problematic Patterns

• Therapeutic Deism — God exists to make you happy, no real relationship required
• Health/Wealth Gospel — Faithful Christians always prosper materially
• Cheap Grace — Sin doesn't matter, God forgives everything automatically
• Legalism — Relationship with God based on rule-keeping
• Anthropomorphism — AI pretending to be human or a biblical figure

Good Examples

• Apologist Agent
• NTW
• Bible Answers AI
• Bible AI

External Resources

• The Oxford Oath for Artificial Intelligence (2026)
• A Christian Framework for AI Ethics — Missional AI (2026)
• Redemptive AI Ethics Framework — FaithTech (2025)
• AI Christian Benchmark — The Gospel Coalition (2025)
• Generative AI in Christian Evangelism — The Apologist Project (2025)
• Faith.Tools Unofficial Guardrails for AI Apps (published post title may still say "rules")
• AI Ethical Framework — Lausanne Movement

References

• references/guardrails.md — Full implementation guidance with system prompt templates
• references/ai-standards.md — Full philosophy and reasoning behind each guardrail