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Earendil
Earendil

Earendil

Earendil builds open-source, provider-agnostic AI agent tooling that developers run and control on their own machines.

Operating headquarters
Vienna, AT🇦🇹
Founded
2025
Overview
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Employees
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Developers who run coding agents on their own machines and model providers need tools they can inspect and change. Earendil builds a minimal terminal coding harness, hosted services, and an email and messaging agent that work with models from every major provider. The harness is open source and small enough for an agent to read and extend.

Unlike vendor-run agents such as Claude Code and Codex, Earendil keeps the core permanently open so users can always see and control what their agent does. That openness is the position: provider-agnostic tooling that adapts to a developer's workflow rather than the reverse.

Earendil - Products & Services

  • Pi Coding Agent logo

    Pi Coding Agent

    A minimal terminal-based coding agent harness built by Earendil Inc.

    Competing Products

    Anthropic logo
    Cline logo
    OpenAI logo
    SpaceXAI logo
    Anomaly logo

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Earendil - Quick Facts

Who are Earendil's competitors?

Companies similar to Earendil include SpaceXAI, Cline, OpenAI and Anthropic.

When was Earendil founded?

Earendil was founded in 2025.

Where is Earendil's headquarters located?

Earendil's headquarters is located in Vienna, AT.

Earendil - Classification

Industry
  • Artificial Intelligence
  • Developer Tools
Ownership
  • Venture Capital Backed
Technology
  • Model Context Protocol
  • TypeScript
Model
  • Open Source
Customer
  • Developers
Tags
  • Open Source