Armature, founded by Theodore and Louis, offers product analytics for agent sessions on MCP tools. Their SDK, integrated with just three lines of code, reconstructs user-agent conversations, clusters popular use cases, and identifies frequent user issues.

Initially launched as a testing tool, Armature pivoted to analytics after realizing they lacked insight into how users interacted with their own MCP. This led to the development of a product that captures and analyzes agent sessions, providing valuable feedback that users hadn't shared previously. The system achieved an 89.17% success rate, comparable to running without instrumentation, and prioritizes privacy with client-side redaction.

The product is now available self-serve at armature.tech with a generous free tier. Armature plans to integrate evaluation capabilities to identify workflows, recommend fixes, test improvements, and open PRs. A recent example highlighted how a marketing automation platform used Armature to identify user frustration and later catch a critical bug before release, showcasing the product's potential to prevent costly errors.