Documentation
Guides and references for the vr.dev SDK, API, and CLI.
Quickstart
Get up and running with the vrdev SDK in under 5 minutes.
Concepts
Understand the 3-tier taxonomy, composition engine, and trust model.
API Reference
Complete REST API documentation for the vr.dev verification service.
Verifier Authoring
Create, test, and publish your own verifiers to the registry.
CLI Reference
Command-line interface documentation for the vr tool.
Integration Guide
Connect vr.dev to TRL, VERL, OpenClaw, and your training pipeline.
Examples
End-to-end demo scripts and benchmark results showing verifiers in action.
Bring Your Own State (BYOS)
Use the pre_result pattern to verify agent work against any state source.
Trust Model
How vr.dev ensures verification integrity through evidence chaining, deterministic checks, and transparency.
Execution Sandbox
Security model for verifier execution: permissions, isolation, and safe defaults.
Cost & Latency Profile
Performance characteristics and cost model for each verification tier.
Local Execution
Run verifiers locally without any HTTP calls - ideal for RL training loops.
Evidence Replay
Re-verify historical episodes from stored evidence records.
End-to-End Walkthrough
A complete worked example: install, verify, compose, and export rewards.
AGENTIC Verifier Maintenance
How AGENTIC verifiers work and how to maintain them as target systems change.
Local vs Hosted
Compare local SDK execution against the hosted API - features, trade-offs, and when to use each.
MCP Server
Use vr.dev verifiers as tools in Claude Desktop, Cursor, and other MCP-compatible clients.
Golden Pipeline Templates
Copy-paste verification pipelines for common agent tasks.