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AI agent tools for code generation

In this catalog, a code generation tool is one that writes or scaffolds code from a description, spec or template. Our enrichment pass tags 603 listings with it: 84 MCP servers, 108 agent skills, 197 plugins, 12 agent frameworks, 200 AI agents and 2 no-code agent builders. By listing rank, the top agent skill is executing-plans, the top plugin is Gemini CLI Companion and the top AI agent is OpenCode. 10 of the 603 are published by the vendor behind the product, and 403 were active in the last 30 days. 10 of the 84 MCP servers run only as remote servers, with nothing to install locally. Each entry below links to its listing page, with grades, install commands and sources.

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

What the job is

Tagged listings
603
By type
84 MCP servers, 108 agent skills, 197 plugins, 12 agent frameworks, 200 AI agents and 2 no-code agent builders
Published by the vendor
10 of 603
Active in the last 30 days
403 of 603
Open source
450 of 603
MCP servers that run only remotely
10 of 84
Hosts named by the MCP servers
Claude Code (77), Cursor (77), VS Code (77)

Building blocks by type

The top entries of each type, by listing rank. Open a listing for its install command, grades and sources.

MCP servers 84 tagged

  1. 1
    Serena MCP: the IDE for your agent

    oraios

    A powerful toolkit for coding, providing semantic retrieval and editing capabilities.

    • Most GitHub stars here (30,673)
    • Active in the last 30 days
    • Open source (GPL-3.0)

    ★ 30.7K↓ 47.2K/wkLast active Oct 20, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  2. 2
    Unity MCP

    IvanMurzak

    Make 3D games in Unity Engine with AI.

    • 4.5K GitHub stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 4.5KLast active Oct 24, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  3. 3
    build123d MCP

    pzfreo

    AI-driven 3D CAD via build123d: execute, render, measure, and export geometry interactively.

    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 128↓ 1.5K/wkLast active Oct 15, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  4. 4
    code-index

    Regsorm

    Rust code index MCP server, native 1C:Enterprise (BSL) support.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 155Last active Oct 23, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  5. 5
    LLM Sandbox

    vndee

    Securely run LLM-generated code in isolated containers across 7 languages and 3 container backends.

    • 1.1K GitHub stars
    • Most weekly downloads here (101.7K)
    • Active in the last 30 days

    ★ 1.1K↓ 101.7K/wkLast active Oct 21, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

Search MCP servers for code generation → All connectors

Agent skills 108 tagged

  1. 1
    executing-plans

    obra

    Use when executing an implementation plan in the current session as the implementer yourself — your human partner chose inline execution, or no subagent tool…

    • Largest repository here (304,566 stars)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 304.6KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  2. 2
    lean-build

    JuliusBrussee

    Build feature work with high overbuilding risk.

    • Repository has 114.8K stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 114.8KLast active Oct 13, 2026Claude Code, Claude apps, Codex, Cursor +6

  3. 3
    build

    thedotmack

    Fully automate a coding task with make-plan, do, and babysit.

    • Repository has 102.8K stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 102.8KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  4. 4
    dxf

    earthtojake

    Generate, regenerate, and validate 2D DXF drawings from Python build123d sources.

    • Repository has 22.9K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 22.9KLast active Oct 20, 2026Claude Code, Claude apps, Codex, Cursor +6

  5. 5
    img2threejs

    img2threejs

    Turn an object or character reference image into a quality-gated, animation-ready procedural Three.js model built in code.

    • Repository has 19.1K stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 19.1KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

Search agent skills for code generation → All skills

Plugins 197 tagged

  1. 1
    Gemini CLI Companion

    Google

    Enable Gemini CLI with direct access to your IDE workspace.

    • Most GitHub stars here (107,694)
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 107.7KLast active Oct 23, 2026VS Code, Cursor, Windsurf, VSCodium

  2. 2
    OpenChamber

    FedaykinDev

    AI coding assistant powered by OpenCode

    • 12.1K GitHub stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 12.1KLast active Oct 24, 2026VS Code, Cursor, Windsurf, VSCodium

  3. 3
    Mistral Vibe VS Code

    mistralai

    Mistral Vibe is an AI coding agent for VS Code that works across your whole project.

    • 5.2K GitHub stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 5.2KLast active Oct 22, 2026VS Code, Cursor, Windsurf, VSCodium

  4. 4
    llama-vscode

    ggml-org

    Local LLM-assisted text completion using llama.cpp

    • 1.5K GitHub stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 1.5KLast active Oct 22, 2026VS Code, Cursor, Windsurf, VSCodium

Search plugins for code generation → All plugins

Agent frameworks 12 tagged

  1. 1
    Pi Agent Core

    Earendil

    Minimal TypeScript agent harness with an agent runtime, multi-provider LLM API, terminal UI and coding agent CLI that users extend themselves.

    • Most GitHub stars here (117,586)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 117.6K↓ 5.1M/wkLast active Oct 24, 2026

  2. 2
    GitHub Copilot SDK

    GitHub

    Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.

    • 10.6K GitHub stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 10.6K↓ 1.2M/wkLast active Oct 24, 2026

  3. 3
    Rig

    Playgrounds

    Rust library for LLM applications with agents, tool calling, streaming and 20+ model providers, plus a terminal coding agent.

    • 9K GitHub stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 9K↓ 152.4K/wkLast active Oct 24, 2026

  4. 4
    Claude Agent SDK (Python)

    Anthropic

    Python SDK that runs the Claude Code agent loop inside your own program, with custom tools and hooks written as Python functions.

    • 8.3K GitHub stars
    • Most weekly downloads here (7.9M)
    • Active in the last 30 days

    ★ 8.3K↓ 7.9M/wkLast active Oct 24, 2026

Search agent frameworks for code generation → All harnesses & sdks

AI agents 200 tagged

  1. 1
    OpenCode

    Anomaly

    Open-source AI coding agent for the terminal, desktop and IDEs that connects to 75+ model providers

    • Most GitHub stars here (220,941)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 220.9KLast active Oct 24, 2026

  2. 2
    Claude Code

    Anthropic

    Anthropic's coding agent that reads your codebase, edits files and runs commands from the terminal, IDE, desktop app, web and Slack

    • 153.2K GitHub stars
    • Most weekly downloads here (7.2M)
    • Active in the last 30 days

    ★ 153.2K↓ 7.2M/wkLast active Oct 24, 2026

  3. 3
    Zed Agent

    Zed Industries

    Agent built into the Zed code editor that edits files, navigates code and runs tools, with changes reviewed in a diff

    • 92.1K GitHub stars
    • Active in the last 30 days

    ★ 92.1KLast active Oct 24, 2026

  4. 4
    Cline

    Cline Bot Inc.

    Open-source coding agent for VS Code, JetBrains, the terminal and a desktop app that asks for approval before each action

    • 70.8K GitHub stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 70.8KLast active Oct 24, 2026

  5. 5
    Gemini CLI

    Google

    Open-source terminal agent that queries and edits codebases and automates tasks with Gemini models

    • 107.7K GitHub stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 107.7K↓ 231.3K/wkLast active Oct 23, 2026

Search AI agents for code generation → All agents

No-code builders 2 tagged

  1. 1
    Jumping-Agent-platform

    answeryt

    Game-style visual builder for AI agents, with WeChat channel binding, a ReAct code assistant and an orchestrator service.

    • Most GitHub stars here (767)
    • Open source (Apache-2.0)

    ★ 767Last active Sep 17, 2026

  2. 2
    agentok

    lyuai

    Apache-2.0 drag-and-drop studio for AG2 multi-agent apps that generates self-contained Python code.

    ★ 423Last active Jul 8, 2026

Search no-code builders for code generation → All no-code builders

Example stacks

Combinations the catalog links as working together. These are examples built from public relations between listings, not recommendations by any vendor.

For business buyers: agents with stated pricing

Only agents whose listing states pricing are shown, with what the listing says. Check the publisher's pricing page before you buy.

AgentPricing in its listingSource
Claude CodeAnthropicPaid; $0 to $100 per month; pricing page checked Oct 2026Pricing page
Zed AgentZed IndustriesFreemium with a free tier; $0 to $30 per month; pricing page checked Oct 2026Pricing page
ClineCline Bot Inc.Freemium with a free tier; $0 per month; pricing page checked Oct 2026Pricing page
GitHub Copilot CLIGitHubFreemium with a free tier; $0 to $100 per month; pricing page checked Oct 2026Pricing page
Kilo CodeKilo CodeFreemium with a free tier; $0 to $15 per month; pricing page checked Oct 2026Pricing page

Questions

What are the top tools for code generation?
By listing rank, the top agent skill is executing-plans, the top plugin is Gemini CLI Companion and the top AI agent is OpenCode. Rank weighs adoption, freshness, documentation and publisher identity; money never changes it.
How many tools does the catalog list for code generation?
603 listings are tagged for it: 84 MCP servers, 108 agent skills, 197 plugins, 12 agent frameworks, 200 AI agents and 2 no-code agent builders. Tags come from an automated enrichment pass over the top-ranked listings, so tools outside that pass are not counted.
Which AI apps do the MCP servers work with?
Of the 84 MCP servers, 77 list Claude Code, 77 list Cursor and 77 list VS Code as a supported host. Open a listing for its install command and the other hosts it names.
Do the AI agents for code generation cost money?
Pricing is stated for 27 of the 200 agents: Claude Code (paid), Zed Agent (freemium with a free tier), Cline (freemium with a free tier). The other agents state no pricing in their listings.

603 listings are tagged for this use case; the lists above show the top entries.

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