AI Developer Tools
Mirrors
Mirrors turns your production traces into an isolated copy of your agent's environment so you can test changes safely.
Mirrors
What is Mirrors?
Mirrors is a tool that creates deterministic, isolated copies of production environments for AI agents, allowing developers to test changes, reproduce bugs, and catch regressions without affecting live systems.
Mirrors vs Similar AI Tools
| Pricing Model | Free, Custom Pricing | Free | Custom Pricing | Free, Paid |
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How to use Mirrors?
- 1Connect Mirrors to your agent via browser authentication. Then run in your terminal: claude mcp add --transport http mirrors https://api.runmirrors.com/mcp. Then run /mcp → mirrors → Authenticate via browser.
Mirrors Key Features
- Ingest traces from production
- Build an isolated, runnable mirror with seeded database and bound tools
- Run and evaluate agents against deterministic worlds
- Deterministic seeding for byte-identical replay
- On-demand sandboxes with scale-to-zero
- Versioned API and workspace keys for programmatic access
Mirrors Use Cases
- Catch regressions before shipping agent changes
- Reproduce bugs on demand with the same seed
- Test risky flows like refunds, deletes, and sends safely
- Know if a change is better with coverage and accuracy scores
Mirrors Pricing & Free Credits
Mirrors currently operates on a Free, Custom Pricing model.
Free TierFree Credits
Free
$0/mo
60 sandbox minutes per month, unlimited mirrors, deterministic seeding, in-app playground, community support
Paid Plans
Custom
Contact for pricing
Unlimited on-demand sandboxes, public /v1 API + keys, SSO, eval suites, fidelity reports, priority support & onboarding
Mirrors Pros & Cons
Pros
- Deterministic world seeding for 100% reproducible testing
- Safe testing of risky flows without touching production
- Easy setup via browser authentication and MCP
Cons
- Requires production traces to build mirrors
- Limited to agents that can be connected via MCP or API
What is Mirrors best for?
- Teams developing and deploying AI agents
- Quality assurance and regression testing for agent workflows