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Prompt management

Version your prompts
like code.

Template management with Jinja2 variables, version history, A/B testing, and AI-powered optimization. Ship better prompts, faster.

Get startedSee how it works
system-prompt.jinja2
# Template with Jinja2 variables
You are a {{role}} assistant.
Help the user with {{task}}.
# Rules:
- Respond in {{language}}
- Keep answers under {{max_words}} words
Variables injected at runtime:
role=codingtask=debugginglanguage=Englishmax_words=200

Prompt engineering toolkit

Write. Test. Ship. Iterate.

Template Engine

jinja2 · variables · injection

Write prompts with Jinja2 template variables. Inject values at runtime without changing your prompt. Separate prompt logic from business logic.

customer-support.jinja2
You are a {{role}} for {{company}}.
Help the user with {{task}}.
# Rendered output:
You are a support agent for Acme Inc.
Help the user with billing questions.
Conditional logicLoopsFiltersDefault valuesNested variables

Version History

track · rollback

Every change tracked. Rollback to any version, anytime. Never lose a working prompt.

v1Sarah · Mar 12
v2James · Mar 18
v3Sarah · Mar 25

A/B Testing

split · measure

Split traffic between prompt variants. Measure which performs better before committing.

Variant A60%
Variant B40%

AI Recommendations

llm-powered · optimization

Get AI-powered suggestions to improve your prompts. Clarity rewrites, token reduction, and performance predictions -- before you deploy.

Suggestion: Rewrite for clarity

Your current system prompt uses passive voice in 3 places and has ambiguous role boundaries. Rewriting with active voice and explicit constraints could improve response accuracy.

+23% predicted improvement-15% token reduction

Per-Request Override

extra_body · sdk

Apply any template at request time via the SDK. Pass variables inline.

extra_body:
{
"nemo_prompt_template_id": "tpl_abc123",
"nemo_prompt_variables": {
"role": "tutor"
}
}

Audit Trail

soc2 · compliant

Who changed what, when. Full history of every prompt modification for compliance.

Created v3
2h ago
Activated A/B test
1d ago
Updated variables
3d ago

Prompts deserve version control.

Every plan includes full prompt management. Templates, versioning, A/B testing, and AI recommendations.

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