Tessl

The package manager for agent skills and context.

London, United Kingdom · Founded 2024 · $125.0M raised

Headquarters
London
Employees
11–50
Founded
2024
Business Model
B2B
Website
tessl.io
Total Funding
$125.0M
Last Round
$125.0M Venture RoundMar 2025
Rounds
1

About

Tessl is a package manager and agent enablement platform that lets engineering teams find, install, version, and evaluate the skills and context that coding agents rely on. It ensures AI coding agents behave consistently across tools and projects by bringing npm-like lifecycle management to agent capabilities. Tessl's registry allows developers to share and distribute vetted agent skills for use with Claude, Cursor, and other coding agent tools.

Summary

Tessl is an Artificial Intelligence company based in London, United Kingdom, founded in 2024. It has raised $125.0M in total across 1 round, most recently a $125.0M Venture Round round in Mar 2025.

Tech & App Stack

4 technologies & apps tracked

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Funding History

Venture RoundSeed/Series AMar 2025
$125.0M

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