SpacePrompts
Save, organize, and reuse AI prompts with version control. Run in Playground, deploy via API, enhance with AI. Free tier available.
Editor's Verdict
Key Takeaways
- Version History & Rollback
- Variables in Prompts
- AI Prompt Enhancement
- AI Prompt Generation
In-Depth Review: What is SpacePrompts?
SpacePrompts is a purpose-built platform for managing AI prompts across teams and tools. Write prompts in the Playground, version every edit, score with the Evaluator, share in workspaces, and fetch via HTTPS API. Browser extension saves from any page. Includes AI prompt enhancement and generation. Free plan with 50 prompts, no credit card needed.
Core Features
Version History & Rollback
Every edit is saved as a version; roll back anytime when a later version performs worse.
Variables in Prompts
Insert dynamic variables into prompts for reusable, flexible inputs.
AI Prompt Enhancement
Use the Evaluator to score prompts and get specific improvements for structure, clarity, and constraints.
AI Prompt Generation
Generate prompts from a goal description, reducing time spent writing from scratch.
Browser Extension
Save and run prompts from any webpage using extensions for Chrome, Firefox, and Edge.
REST API Access
Fetch and run prompts programmatically via a simple HTTPS API—no SDK required.
Role-Based Permissions
Assign roles to team members for controlled access and audit trails.
Shared Team Library
Collaborate on prompts in a shared workspace with versioning and editing history.
Export to JSON/Excel
Export your entire prompt library in JSON or Excel format for backup or migration.
Upload Reference Images
Attach images to prompts for multimodal AI models.
Custom Prompt Fields
Add custom metadata fields to prompts for better organization.
Public Prompt Sharing
Share prompts publicly via a link for community or client access.
Playground with Multi-Model Support
Write, edit, and test prompts against multiple AI models in one interface.
Pricing
Free
- Store up to 50 prompts
- 3 AI prompt enhancements/day
- 3 AI prompt generations/day
- 3 Playground runs/day (free models)
- Bring your own API key (BYOK)
- Version history & rollback
- Upload reference images
- Organize with categories and tags
- Chrome extension access
- Export to JSON or Excel
Pro
- Unlimited prompt storage
- 300 AI prompt enhancements/month
- 300 AI prompt generations/month
- 300 Playground runs/month (free models)
- Bring your own API key (BYOK)
- Version history & rollback
- Upload reference images
- Organize with categories and tags
- Chrome extension access
- Export to JSON or Excel
- Custom prompt fields
- API Access
- Share prompts publicly
- Priority support
Pro
- Unlimited prompt storage
- 300 AI prompt enhancements/month
- 300 AI prompt generations/month
- 300 Playground runs/month (free models)
- Bring your own API key (BYOK)
- Version history & rollback
- Upload reference images
- Organize with categories and tags
- Chrome extension access
- Export to JSON or Excel
- Custom prompt fields
- API Access
- Share prompts publicly
- Priority support
Team
- Everything in Pro
- Invite up to 5 members
- Shared team prompt library
- Collaborative editing
- Role-based permissions
- Dedicated team onboarding
Team
- Everything in Pro
- Invite up to 5 members
- Shared team prompt library
- Collaborative editing
- Role-based permissions
- Dedicated team onboarding
Pros and Cons
Pros
- Centralized Prompt ManagementAll prompts in one place with version control, making retrieval and reuse fast and reliable.
- AI-Powered EnhancementBuilt-in Evaluator scores prompts and suggests improvements, raising prompt quality.
- Cross-Platform AccessibilityBrowser extension and API allow you to access prompts from any app or webpage.
- Team CollaborationShared libraries, role permissions, and editing history enable efficient team workflows.
- Generous Free TierFree plan includes 50 prompts, daily AI enhancements, and Playground runs—no credit card required.
Cons
- Limited Free Plan StorageFree tier caps at 50 prompts, which may be restrictive for heavy users.
- No Native Mobile AppRelies on browser extensions and web access; no dedicated mobile application.
- Dependency on InternetFull functionality requires an internet connection; no offline mode.
- Learning Curve for TeamsSetting up roles and permissions may require initial configuration effort.
- Restricted Playground Models on Free PlanFree Playground only allows free models; paid plans needed for advanced models.
Use Cases & Recommended Professions
AI Developer / Engineer→ View Toolkit
Manages and versions prompts for LLM-powered applications, deploys via API, and iterates quickly.
Content Writer / Marketer→ View Toolkit
Saves and organizes hundreds of prompts for generating articles, social posts, and ad copy.
Product Manager→ View Toolkit
Oversees prompt quality across teams, ensures consistent outputs, and tracks version history.
Researcher / Data Scientist→ View Toolkit
Uses playgorund to test prompts on different models and keeps a library of experimental prompts.
Customer Support Agent→ View Toolkit
Accesses pre-written prompts for AI chatbots or response generation, improving response consistency.
Freelancer / Solopreneur→ View Toolkit
Manages prompts across multiple client projects, with version control and easy retrieval.
Frequently Asked Questions
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ℹ️ Curation Disclosure: The overview and features of SpacePrompts were synthesized using AI and fact-checked by our curation team to ensure accuracy.
