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AI agent tools for debugging

In this catalog, a debugging tool is one that finds and fixes the cause of errors, crashes or failing behaviour. Our enrichment pass tags 264 listings with it: 92 MCP servers, 96 agent skills, 46 plugins, 1 agent framework and 29 AI agents. By listing rank, the top MCP server is Compiler Explorer, the top agent skill is reverse-engineer-anything and the top plugin is DebugMCP — Agentic Debugging for VS Code, Cursor & More. 16 of the 264 are published by the vendor behind the product, and 211 were active in the last 30 days. 4 of the 92 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
264
By type
92 MCP servers, 96 agent skills, 46 plugins, 1 agent framework and 29 AI agents
Published by the vendor
16 of 264
Active in the last 30 days
211 of 264
Open source
218 of 264
MCP servers that run only remotely
4 of 92
Hosts named by the MCP servers
Claude Desktop (86), Claude Code (81), Cursor (81)

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 92 tagged

  1. 1
    Compiler Explorer

    compiler-explorer

    Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links

    • 19.1K GitHub stars
    • Remote server, no local install
    • Active in the last 30 days

    ★ 19.1KLast active Oct 24, 2026Remote (HTTP)Claude Code, VS Code, Cursor, Windsurf

  2. 2
    REA

    morluto

    Reverse engineer anything from your terminal or agent with one CLI and MCP server.

    • Most GitHub stars here (377,435)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 377.4KLast active Oct 25, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  3. 3
    PyMemoryEditor

    JeanExtreme002

    Read, write and scan process memory, Cheat Engine style, on Windows, Linux and macOS.

    • Most weekly downloads here (9K)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 226↓ 9K/wkLast active Oct 12, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  4. 4
    Jshookmcp

    vmoranv

    Search-first MCP server for JavaScript reverse engineering: 735 tools across 36 domains.

    • 2.1K GitHub stars
    • Active in the last 30 days
    • Open source (AGPL-3.0)

    ★ 2.1K↓ 605/wkLast active Oct 24, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  5. 5
    Funplay Cocos MCP

    FunplayAI

    stdio bridge for the local Cocos Creator Editor MCP server from FunplayAI/funplay-cocos-mcp.

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

    ★ 356Last active Oct 20, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

Search MCP servers for debugging → All connectors

Agent skills 96 tagged

  1. 1
    reverse-engineer-anything

    morluto

    Reverse engineer native, managed, Electron/JavaScript, packaged, firmware, and browser targets with REA, and build agent environments (AgentEnv bundles) of…

    • Largest repository here (377,435 stars)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 377.4KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

  2. 2
    diagnosing-superpowers

    obra

    Use when a superpowers session went wrong and your human partner wants to know why — repeated work, ignored plans, stumbles, poor results, a skill that didn't…

    • Repository has 304.6K stars
    • Active in the last 30 days
    • Open source (MIT)

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

  3. 3
    caveman-explore

    JuliusBrussee

    Read-only repository explorer for cold-start orientation, broad cross-file localization, or when a direct search failed.

    • 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

  4. 4
    smart-explore

    thedotmack

    Token-optimized structural code search using tree-sitter AST parsing.

    • 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

  5. 5
    triage

    vercel-labsOfficial

    Identify focused, evidence-backed skills CLI bug fixes worth quuu's attention.

    • Published by the vendor
    • Repository has 36.4K stars
    • Active in the last 30 days

    ★ 36.4KLast active Oct 19, 2026Claude Code, Claude apps, Codex, Cursor +6

Search agent skills for debugging → All skills

Plugins 46 tagged

  1. 1
    DebugMCP — Agentic Debugging for VS Code, Cursor & More

    ozzafar

    Your AI agent debugs for you — right inside VS Code, Cursor & other VS Code-based editors.

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

    ★ 573Last active Oct 18, 2026VS Code, Cursor, Windsurf, VSCodium

  2. 2
    Kilo Code: AI Coding Agent, Copilot, and Autocomplete

    kilocode

    Open Source AI coding agent that generates code from natural language, automates tasks, and runs terminal commands.

    • Most GitHub stars here (27,732)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 27.7KLast active Oct 23, 2026VS Code, Cursor, Windsurf, VSCodium

  3. 3
    ChatGPT - Genie AI

    genieai

    Your best AI pair programmer.

    • 1.3K GitHub stars
    • Active in the last 30 days
    • Open source (ISC)

    ★ 1.3KLast active Oct 8, 2026VS Code, Cursor, Windsurf, VSCodium

  4. 4
    1C: Platform Tools

    yellow-hammer

    Разработка на 1С:Предприятии в VS Code (Cursor, Windsurf, VSCodium): проекты конфигуратора, 1С:EDT и OneScript, метаданные, vanessa-runner, тесты, отладка и…

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

    ★ 233Last active Oct 24, 2026VS Code, Cursor, Windsurf, VSCodium

Search plugins for debugging → All plugins

Agent frameworks 1 tagged

  1. 1
    chidori

    ThousandBirdsInc

    TypeScript agent framework on a Rust runtime, where runs are checkpointed, replayed with zero LLM calls and resumed after a crash.

    • 1.4K GitHub stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 1.4K↓ 62/wkLast active Oct 22, 2026

Search agent frameworks for debugging → All harnesses & sdks

AI agents 29 tagged

  1. 1
    oh-my-pi

    can1357

    Terminal coding agent with language-server and debugger tools built in, supporting more than 60 model providers

    • 36.4K GitHub stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 36.4KLast active Oct 22, 2026

  2. 2
    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

  3. 3
    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

  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
    Qwen Code

    Alibaba Qwen

    Open-source coding agent for the terminal, editor, desktop, browser and chat apps that works with Qwen, OpenAI, Anthropic and Gemini APIs

    • 28.7K GitHub stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 28.7KLast active Oct 24, 2026

Search AI agents for debugging → All agents

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
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
OpenAI CodexOpenAIFreemium with a free tier; $0 per month; pricing page checked Oct 2026Pricing page
DevinCognitionFreemium with a free tier; $0 to $200 per month; pricing page checked Oct 2026Pricing page

Questions

What are the top tools for debugging?
By listing rank, the top MCP server is Compiler Explorer, the top agent skill is reverse-engineer-anything and the top plugin is DebugMCP — Agentic Debugging for VS Code, Cursor & More. Rank weighs adoption, freshness, documentation and publisher identity; money never changes it.
How many tools does the catalog list for debugging?
264 listings are tagged for it: 92 MCP servers, 96 agent skills, 46 plugins, 1 agent framework and 29 AI agents. 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 92 MCP servers, 86 list Claude Desktop, 81 list Claude Code and 81 list Cursor as a supported host. Open a listing for its install command and the other hosts it names.
Do the AI agents for debugging cost money?
Pricing is stated for 6 of the 29 agents: Claude Code (paid), Cline (freemium with a free tier), GitHub Copilot CLI (freemium with a free tier). The other agents state no pricing in their listings.

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

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