Tessl
Last verified 2026-05-14. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $125.0Mattributed |
|---|---|
| Latest round | series-a, $100.0M, 2024-11-14attributed |
| Founded | 2023 |
| Headquarters | London, UK |
| Industry | developer tools |
| Stage | series-a |
| Website | tessl.io |
Tessl is a package manager and registry for AI agent skills and context, letting developers find, install, version, and evaluate reusable components for coding agents. It serves developers and enterprises deploying AI coding agents. Its differentiator is a built-in evaluation framework that measures skill quality and catches regressions.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2024-11-14 | series-a | $100.0M | accel |
Detected tech stack
Cloudflare, Vercel, Typekit, Adobe Fonts, Linkedin Insight Tag, Next.js, React, Webpack, @sentry/browser
Provenance
| Fact | Status | Basis |
|---|---|---|
| Series A, $100.0M | attributed | vc-portfolio named as publisher. No document URL on file. |
| Total raised $125.0M | attributed | vc-portfolio named as publisher. No document URL on file. |
| Company existence | self-reported | tessl.io, read 2026-05-14 |
| Description | self-reported | tessl.io, read 2026-05-14 |
Nothing on this page is sourced yet. A sourced fact links to a document that states it.
Change history
No change recorded since records began on 2026-09-24.