Spanly vs Inspector
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Inspector leads with 621 upvotes

See what AI agents do inside your MCP server
Spanly is a powerful observability tool designed for SaaS engineering teams managing MCP (Managed Cloud Platform) servers, especially as the number of AI agents interacting with their products grows exponentially. It provides comprehensive insights into agent activity, allowing teams to monitor error rates, session traces, latency, client analytics, and deployment alerts in real-time. By offering a drop-in CLI or SDK, Spanly seamlessly integrates into existing workflows, supporting both US and EU data residency requirements. Its focus on MCP server transparency helps teams ensure reliability, performance, and security as AI agents become an integral part of their user experience. Built to work alongside popular monitoring tools like Datadog, Sentry, or New Relic, Spanly enhances observability without disrupting existing infrastructure. Its clear value lies in empowering SaaS companies to maintain high service quality amidst the rapid adoption of AI-driven features, making it an essential tool for modern product engineering teams.
Pros
- Provides comprehensive observability specifically for MCP servers and AI agent activity
- Supports US and EU data residency, ensuring compliance and data sovereignty
- Drop-in CLI or SDK for easy integration into existing workflows
- Designed for SaaS teams shipping MCP in production, compatible with popular monitoring tools
- Real-time error tracking, latency analysis, and deployment alerts
Cons
- Currently has no user reviews or widespread adoption data, making its maturity uncertain
- May require technical expertise for integration and effective use
- Pricing details are not publicly available, which could be a barrier for smaller teams
Best for
- • Monitoring AI agent activity and health within MCP servers
- • Detecting and troubleshooting errors or latency issues in real-time
- • Ensuring compliance with data residency requirements in US and EU regions
- • Correlating client analytics with deployment changes for better product insights
Pricing: Likely operates on a subscription-based model with tiered plans based on usage and features, but specific pricing details are not publicly available. It may offer free trials or tiered plans suitable for different team sizes and needs.

Figma for Claude Code
Inspector reimagines the design-to-code workflow by integrating visual editing directly with AI-powered code generation. Designed for developers, designers, and product teams, it allows users to click on UI elements within a design interface, make visual adjustments, and have those changes automatically reflected in the underlying codebase. The tool connects seamlessly with popular AI agents like Claude Code, Codex, and Cursor, streamlining the often tedious handoff process between design and development. Its unique approach eliminates the need for manual code edits or back-and-forth communication, enabling rapid prototyping and iteration. By bridging the gap between visual design and code, Inspector enhances productivity and fosters a more collaborative workflow, making it ideal for teams seeking to accelerate their development cycles with AI-powered precision.
Pros
- Intuitive visual interface for code adjustments
- Seamless integration with popular AI coding agents
- Reduces manual coding and design handoff time
- Supports rapid prototyping and iteration
- Streamlines collaboration between designers and developers
Cons
- May have limitations with complex UI components
- Dependent on AI accuracy, which can vary
- Learning curve for users unfamiliar with AI-assisted editing
Best for
- • Quick UI tweaks during product development
- • Design validation and iteration without extensive code changes
- • Bridging the gap between design and development teams
- • Rapid prototyping of new features
Pricing: Likely operates on a freemium model, offering basic features for free with paid plans providing additional integrations and advanced editing capabilities; exact pricing details are not publicly specified.