Tessl is a developer platform combining an AI agent with reusable skills, plugins, reviews, and evaluations.

Who should use Tessl?

It is aimed at developers and technical founders who want structured AI engineering workflows.

What does Tessl help with?

It runs agent sessions, evaluates work, reviews plugins, and lets teams publish and reuse skills.

How much does Tessl cost?

Free includes 1,000 monthly credits, Team is $100 monthly with 5,000 credits, and Enterprise is custom.

How is Tessl different from an AI code editor?

It adds a skills and plugin ecosystem plus reviews and evaluations around its agent.

What should buyers check?

Check credit use, model selection, governance, plugin workflows, and whether added structure is worthwhile.

Tessl

AI coding agent platform with reusable skills, plugins, reviews, and evaluations.

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What is Tessl?

TL;DR

AI agent sessions
Reusable plugins and skills
Agent reviews and evaluations

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About

Tessl is a developer platform built around AI agents, reusable skills, plugins, reviews, evaluations, and model selection. It provides an agent for software tasks while giving teams a structured way to publish and install skills and plugins, review them, and evaluate agent behavior. The platform is aimed at developers who want more control over how AI coding and engineering workflows are assembled than a general coding assistant provides. Technical founders can use Tessl to run agent sessions, build reusable engineering skills, publish plugins, evaluate agent behavior, and standardize development practices. Teams can choose models per task on paid plans and set spending limits around shared credits. This can be valuable for startups building with AI agents where repeatability, evaluation, and shared engineering context matter as much as code generation. Tessl is differentiated by combining an agent with a skills and plugin layer plus built in reviews and evaluations. That makes it more infrastructure oriented than a conventional AI code editor. Credit usage depends on the work and model selected, and frontier models can consume credits faster. Enterprise features such as self hosting, BYOK, SSO, governance, and multiple workspaces are designed for larger organizations. For FutureStack, Tessl belongs in Developer Tools because its primary buyer intent is building reliable AI assisted software workflows. It fits technical founders and engineering teams that want reusable agent skills, evaluation, and model choice alongside coding automation. Buyers should assess whether this structure improves their workflow or whether a simpler coding agent is sufficient.

Use Cases

Run AI Engineering Agents

Use Tessl agents for coding and engineering tasks with a shared credit model.

Create Reusable Skills

Package repeatable engineering knowledge into reusable skills.

Evaluate Agent Work

Run reviews and evaluations to improve agent output reliability.

Standardize Team Workflows

Use plugins, roles, spending controls, and model selection to standardize agent work.

Key Features

AI agent sessions
Reusable plugins and skills
Agent reviews and evaluations
Model selection and credits

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