Benchmark coding agents and agent harnesses on 226 deterministic file-editing tasks with byte-exact verification and a public leaderboard.

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• Updated Nov 9, 2026
• JavaScript

A SQL-like language for efficient code analysis and transformations

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• Updated Jan 17, 2025
• JavaScript

A lightweight, FOSS IDE built on .NET and inspired by editors like VS Code and Zed.

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• Updated Nov 12, 2026
• C#

An ACE editor field for Filament forms with syntax highlighting, themes, autocompletion and many more.

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• Updated Nov 1, 2026
• JavaScript

Agent-native IDE extension for the Pi coding agent — guarded editing, search, LSP, terminals, debugging and observability.

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• Updated Nov 12, 2026
• TypeScript

Apply V4A context-anchored diffs from any LLM model and get structured line-by-line diff output with built-in instant rollback capability.

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• Updated Jul 23, 2026
• TypeScript

A small, fast GPU-rendered code editor in Rust.

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• Updated Nov 12, 2026
• Rust

A better approach to editing files in DSH.

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• Updated Oct 26, 2026
• JavaScript

MCP server that combines Read+Edit operations into single tool calls — 80-95% fewer tool calls for multi-file refactoring

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• Updated May 13, 2026
• JavaScript

Apply LLM code edits via SEARCH/REPLACE blocks. Exact match or refuse — never guesses. Zero dependencies.

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• Updated Aug 12, 2026
• Python

DeepSeek Harness plugin that refuses edits where // ... existing code ... placeholders would delete real code.

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• Updated Oct 24, 2026
• TypeScript

WinCodex｜让网页 AI 走出聊天框，在 Windows 上真正写代码。通过 MCP，让 ChatGPT 等网页 AI 读取项目、修改代码、执行命令、运行测试，交付可审查、可合入的改动。Windows Coding Agent · 无需模型 API Key · 无需 Docker。

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• Updated Oct 19, 2026
• Python

Lib for parsing and interpreting CEDARScript, a SQL-like language for code analysis and transformations

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• Updated Dec 19, 2024
• Python

A lightweight Python IDE built with Tkinter, featuring a dark theme, code editor, file management, and a built-in output terminal.

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• Updated Oct 12, 2026
• Python

Semantic Plan (splan) — a grammar for expressing batched code operations with content blocks

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• Updated Mar 17, 2026

A GTK4 code editor that talks (S)FTP. (a poor man's Nova©)

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• Updated Nov 11, 2026
• Python

A current-state structural text engine for AI agents.

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• Updated Sep 5, 2026
• Rust

Evidence-driven token efficiency for Claude Code, Codex, Hermes & OpenClaw — less context, tool noise, edits and retries without sacrificing correctness.

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• Updated Sep 23, 2026
• Python

Stop non-deterministic edits: A strict "Read-Match-Hash-Write" pipeline for safe and reproducible code modifications. AnchorScope is a reference implementation of a deterministic code editing protocol for LLM agents.

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• Updated Aug 19, 2026
• Rust

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• Updated Oct 13, 2026
• TypeScript