Tessl

Tessl is an agent enablement platform that gives coding agents structured, versioned context in the form of skills, plus evaluations of how those skills perform. It includes a skill registry, automated loops such as code review and security scanning, and model and harness evaluation.

The company describes its customers as software development teams and enterprises rolling out coding agents, with a free tier of 1,000 credits per month and paid Team and Enterprise plans priced in credits and platform fees. A Cisco case study is published on the site.

Tessl was founded in 2024 by Guy Podjarny and is headquartered in Kings Cross, London, with a US-based option for workspace data location. The careers page lists open roles in London, New York, San Francisco and remote US locations, across engineering, product, sales, marketing and DevRel.

Product: Agent enablement platform with a skill registry, evaluations, security scanning and automated agent loops for coding agents