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1. [Software Factory Directory](/software-factories.md)
2. [Agent orchestration](/software-factories/category/agent-orchestration.md)
3. Tessl

# Tessl

[Agent orchestration](/software-factories/category/agent-orchestration.md)

[Visit website](https://tessl.io/)

Spec-driven development platform with registries of versioned skills, docs and rules for your coding agents.

## Overview

Tessl is a spec-driven AI software development platform. Specs are the source of truth, implementations are regenerated from them, and tests are bound to spec assertions. Products include the Tessl Framework, the Spec Registry and the Skills Registry.

The registries hold versioned skills, library docs and rules that install into Claude Code, Cursor, Codex, Copilot and Gemini, with evals, security scoring and governance. A registry MCP server and a workspace MCP gateway let teams add MCP servers. Tessl describes itself as a platform for building software factories.

## Features

* Treats specs as the source of truth and regenerates implementations from them.
* Binds tests to spec assertions.
* Spec Registry and Skills Registry of versioned skills, library docs and rules.
* Installs into Claude Code, Cursor, Codex, Copilot and Gemini.
* Includes evals, security scoring and governance.
* Offers a registry MCP server and a workspace MCP gateway.

## Details

* Website

  [tessl.io](https://tessl.io/)

* Company

  Tessl

* Headquarters

  London, United Kingdom

* Category

  [Agent orchestration](/software-factories/category/agent-orchestration.md)

* Source

  Proprietary

* Topics

  * [Spec-driven development](/software-factories/?tag=spec-driven)
  * [Works with your agents](/software-factories/?tag=bring-your-own-agent)
  * [Governance & audit](/software-factories/?tag=governance)
  * [MCP](/software-factories/?tag=mcp)

* Listed

  August 2026

* Last verified

  October 2026

## Similar software factories

* ### [AI-Ready Nx Workspace](/software-factories/ai-ready-nx-workspace.md)
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* ### [Donmai](/software-factories/donmai.md)
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* ### [MSPilot](/software-factories/mspilot.md)
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* ### [Tiden](/software-factories/tiden.md)
  [Verifies that coding agents deliver what they promised by tying every spec to a passing test.Agent orchestration](/software-factories/tiden.md)

[All agent orchestration](/software-factories/category/agent-orchestration.md)