Development · Model Context Protocol · For developers

Debug failed or wrong-output workflow executions using executions tools.

n8n-io/n8n

Analyze application logs from the .evlog/logs/ directory. An agent skill from activepieces/activepieces.

activepieces/activepieces

Connects an agent to a real Chrome instance through the Chrome DevTools MCP server, so it can inspect the DOM, read console errors and profile performance directly.

addyosmani/agent-skills

Cut a FastMCP release end to end. An agent skill from PrefectHQ/fastmcp.

PrefectHQ/fastmcp

Development conventions and architecture guide for the Claude Code CLI repository.

codeaashu/claude-code

Explains how to configure the Crush coding agent with crushrc or crush.json, covering providers, models, LSPs, MCP servers, hooks, permissions and config precedence.

charmbracelet/crush

Run Nx generators with prioritization for workspace-plugin generators.

nrwl/nx

Guides building, debugging and testing LangBot plugins: components, SDK calls, README and locale rules, SDK pitfalls and WebSocket-based testing.

langbot-app/LangBot

Looks up library and framework documentation through Context7 first, with bundled Node scripts as a fallback that fetch and analyze llms.txt files.

withkynam/vibecode-pro-max-kit

Searches and rewrites code by syntax-tree shape across 25 languages with ast-grep, for codemods, structural queries and YAML lint rules, using a Python wrapper script.

code-yeongyu/oh-my-openagent

Answers questions about a past agent run from its recording, using causal graphs and replay, instead of reconstructing events from memory.

iflytek/skillhub

Traces a bug through a code knowledge graph, following callers, callees and execution flow before opening source files, within a small token budget.

tirth8205/code-review-graph

Excalidraw canvas toolkit for creating, editing, and refining diagrams on a live canvas.

yctimlin/mcp_excalidraw

Draw cloud architecture diagrams for AWS, Azure or GCP with the official provider icon sets, using TerraVision.

patrickchugh/terravision

Detects which languages a project uses, installs the matching language server, writes its config and checks it with a real call so diagnostics and go-to-definition work.

code-yeongyu/oh-my-openagent

Explains the architecture of a public GitHub repository through GitDiagram: how the code is organized, the main components with paths, and a Mermaid diagram.

ahmedkhaleel2004/gitdiagram

Drive tuios from inside one of its panes. An agent skill from Gaurav-Gosain/tuios.

Gaurav-Gosain/tuios

Triages open herdr GitHub issues into a short decision-first Markdown table with a priority light, recommendation, age, reactions and a reason for each.

herdrdev/herdr

Zod schema validation best practices for type safety, parsing, and error handling.

jasonjgardner/blockbench-mcp-plugin

Navigates a codebase through the code-review-graph MCP tools: architecture overview, symbol search, caller and callee tracing, flows and oversized functions.

tirth8205/code-review-graph

Autonomous performance optimization: research, PoC, benchmark, implement, review, PR

raullenchai/Rapid-MLX

Covers developing the LangBot core backend and web UI: dev setup, repo layout, API auth types, adding endpoints, migrations and keeping the MCP server in step.

langbot-app/LangBot

Answer structural questions about a codebase — what a symbol is, what calls it, what a change breaks, where the hotspots are — from a persistent code graph via the ix CLI, instead of grepping.

ix-infrastructure/Ix

Answers questions about running and changing PicoClaw, from onboarding and model selection to MCP server setup, skill loading and scheduled jobs.

sipeed/picoclaw

Builds categorized release notes for a Plane release pull request from its commits and writes them into the PR description, for both the plane-cloud and plane-ee repos.

makeplane/plane

Plans a refactor from a code dependency graph, previews renames before applying them and checks that the final impact matches the plan.

tirth8205/code-review-graph

Semantic code search and call-graph tracing. An agent skill from yoanbernabeu/grepai.

yoanbernabeu/grepai

A skill your agent uses when implementing, resuming, reviewing, or verifying the DeepSeek++ Codex-style automation feature in this repository.

zhu1090093659/deepseek-pp

Guides changes to the cursor-byok server so provider conversation history stays append-only and each turn's history remains an exact prefix of the next, protecting prefix caches.

leookun/cursor-byok

Triage a SkiaSharp GitHub issue or PR into structured JSON with classification (type, area, platform, severity), suggested response, automatable actions, and companion Markdown/HTML reports.

mono/SkiaSharp

Build, scaffold, refactor, and troubleshoot ChatGPT Apps SDK applications that combine an MCP server and widget UI.

Haohao-end/openagent

A skill your agent uses when code-index-mcp implementation is complete and a version bump, release notes, tag, package publication, or GitHub release is being prepared.

johnhuang316/code-index-mcp

Create, edit, replicate, and iteratively refine editable research and technical diagrams in diagrams.net/draw.io (.drawio XML) from prompts, papers, repositories, screenshots, or existing diagrams.

Will-hxw/drawio-diagram-builder

Help the user turn their Retentioneering ideas, friction reports, bug findings, or feature needs into high-quality upstream contributions: from capturing and validating the idea, through minimal…

retentioneering/retentioneering-tools

Recommends which /arckit: commands to run, and in what order, for a new or in-flight architecture project, from a short triage of sector, project type, current stage and timeline.

tractorjuice/arc-kit

Draft release notes from merged PRs, propose a semver bump, and emit a copy-pasteable gh release create command.

wesammustafa/opencode-primer

Guide developers through creating and updating ChatGPT plugins.

alpic-ai/skybridge

Assess a FastMCP pull request for justified behavior, compatibility, and correctness, then follow CI and review feedback to a revision-specific verdict.

PrefectHQ/fastmcp

Audits a project's agent configuration, instruction drift, hooks, MCP and AI maintainability, then reports prioritized findings with evidence and next actions.

tw93/Waza

Structures git workflow practices. An agent skill from shashankswe2020-ux/whoop-mcp.

shashankswe2020-ux/whoop-mcp

Debug the built Read Frog extension in real Chrome. An agent skill from mengxi-ream/read-frog.

mengxi-ream/read-frog

A skill your agent uses when writing, scaffolding, or modifying Nuclear plugins.

nukeop/nuclear

Clones any web app pixel-for-pixel from a URL. An agent skill from per-simmons/clone-app-pat-pro-public.

per-simmons/clone-app-pat-pro-public

Reviews a change set using a code knowledge graph for risk scores, blast radius and test gaps, and ends with a merge recommendation.

tirth8205/code-review-graph

Automates pre-development workflow for large-scale complex tasks.

zhu1090093659/deepseek-pp

Installs, repairs and starts a local source checkout of FireRed-OpenStoryline, from prerequisites and a venv to resources, config and the MCP and web servers.

FireRedTeam/FireRed-OpenStoryline

Record or regenerate the mcpc demo GIFs (the README hero docs/images/mcpc-demo.gif and the focused tapes in docs/vhs/) with VHS.

apify/mcpc

Blockbench plugin/extension development for the 3D modeling tool.

jasonjgardner/blockbench-mcp-plugin