2 tagged tracing, measured the same way as everything else here.
MCP server Claude CodeCodexCursor +2
Trace AI agent execution: every tool call, every error, every dollar. Open source, local-first. Runs locally from the agent-obs npm package.
MCP server Claude CodeCodexCursor +2
Checks whether an agent trace contains the evidence a post-hoc causal reconstruction would require. Verifies evidence is PRESENT, not that it is true: a fabricated-but-internally-consistent trace passes. Runs locally from the evidence-readiness Python package.