Backend & APIs · Model Context Protocol

Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.

anthropics/skills

Walks through building MCP servers in Python or TypeScript that expose tools, resources and prompts to Claude, with templates, registration and testing.

shareAI-lab/learn-claude-code

Explains how to bundle Model Context Protocol servers in a Claude Code plugin, covering config files, stdio, SSE, HTTP and WebSocket server types, and authentication.

anthropics/claude-plugins-official

A skill your agent uses for Laravel MCP development. An agent skill from coollabsio/coolify.

coollabsio/coolify

General Supabase skill for database, auth, Edge Functions, Realtime and storage work, plus client libraries, migrations, security audits, debugging and reading logs.

supabase/agent-skills

Turns an OpenAPI or Swagger spec into an MCP server with the mcp-use TypeScript SDK, mapping each operation to a tool, wiring auth, testing and deploying.

mcp-use/mcp-use

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

langbot-app/LangBot

A skill your agent uses when doing ANY task involving Supabase.

curvenote/curvenote

Builds, modifies, debugs, migrates and verifies TypeScript MCP servers and MCP Apps with the mcp-use framework, treating the installed package's types as the source of truth.

mcp-use/mcp-use

AWS serverless and event-driven architecture expert based on Well-Architected Framework.

zxkane/aws-skills

Edit, validate, debug, publish, and inspect ReachAI Workflow drafts through the Workflow AI Coding REST API.

w8123/EnterpriseAgentFramework

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

jasonjgardner/blockbench-mcp-plugin

Build and edit Activepieces pieces (integrations) — creating new pieces, adding actions or triggers, or fixing bugs in existing ones.

activepieces/activepieces

A skill your agent uses when working with Foundatio infrastructure abstractions for .NET -- caching, queuing, messaging, file storage, distributed locking, or background jobs.

FoundatioFx/Foundatio

A skill your agent uses when the user wants to brute-force credentials, spray passwords, or enumerate services/subdomains against any network protocol (HTTP, SSH, FTP, SMB, RDP, databases, mail…

evilsocket/legba

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

Build, debug, or review Cloudflare Agents SDK applications using the agents package.

cloudflare/skills

Enable, operate, and extend CAO's MCP Apps surface — the host-rendered fleet dashboard visible inside MCP App hosts (Claude Desktop, ChatGPT, VS Code Copilot, Goose, Postman).

awslabs/cli-agent-orchestrator

Drive a signed-in Chrome / Brave / Safari session via the interceptor CLI: open/read pages, click, type, inspect DOM/text/network, automate rich browser editors and scene graphs, capture…

Hacker-Valley-Media/Interceptor

Expose Homarr tRPC procedures safely through MCP. An agent skill from homarr-labs/homarr.

homarr-labs/homarr

Build conversational AI voice agents on the ElevenLabs platform.

jezweb/claude-skills

Guides building, migrating and testing LangBot messaging-platform adapters for the Event-Based Agents layout, with unified event and message conversion.

langbot-app/LangBot

Pure-web protocol reverse skill: turn hostile browser clients into browser-free Python collectors.

aoyunyang/spider-king-skill

A skill your agent uses when the user mentions Nubase broadly, wants a backend for an AI-generated app, or needs to deploy/publish generated code online — across Database, Auth, Storage, Assets…

OtterMind/Nubase

Build new Arcade error adapters from scratch using public Arcade TDK patterns.

ArcadeAI/arcade-mcp

Publish a SoloMD release to the stores that have no usable submission API — Google Play Console and Microsoft Partner Center — by driving them through the local Unzoo Browser REST API.

zhitongblog/solomd

Integrate Databuddy analytics using the SDK, REST API, or MCP.

databuddy-analytics/Databuddy

Use Xquik to fetch X (Twitter) data or act through a connected account: search, profiles, followers, replies, threads, timelines, media downloads, bulk exports, trends, monitors, signed webhooks…

Xquik-dev/x-twitter-scraper

Create, build, deploy, and localize declarative agents for M365 Copilot and Teams.

microsoft/work-iq

The contract every new or modified API endpoint must follow so it is correct for the public OpenAPI spec, the MCP server (npm @trycompai/mcp-server), the ValidationPipe, and the docs.

trycompai/comp

Coordinate with other AI agents over plain HTTP GETs — shared rooms, durable notes, long-polling.

flop-labs/technocore-chat

Create GitHub issues for cuga-agent (bugs, features, epics, designs, and related work) against origin using gh, with epic → feature → issue hierarchy and GraphQL sub-issue linking.

cuga-project/cuga-agent

Send and receive transactional emails with Cloudflare Email Service (Email Sending + Email Routing).

hodgef/apiker

A skill your agent uses when the user asks how to build with OpenAI products or APIs and needs up-to-date official documentation with citations (for example: Codex, Responses API, Chat Completions…

aafqaq/codex-lb-enhanced

Index and search document collections using hybrid semantic + graph + full-text search.

devwhodevs/engraph

Review FastMCP vulnerability reports before accepting, rejecting, patching, scoring, or publishing them.

PrefectHQ/fastmcp

Automate Zalo messaging, Official Account (OA), and MCP server integration via zalo-agent-cli.

PhucMPham/zalo-agent-cli

Search and retrieve agent skills at runtime. An agent skill from assafelovic/skyll.

assafelovic/skyll

Entry point for building an MCP server: asks about the use case, picks a deployment model and tool-design pattern, then hands off to more specialized skills.

anthropics/claude-plugins-official

The agent's persistent long-term memory — the only knowledge that survives across sessions, shared across the fleet under access control.

caura-ai/caura

Connect, verify, and troubleshoot Xquik's remote MCP server.

Xquik-dev/x-twitter-scraper

Use Tandem Browser's MCP server (local and remote agents) or HTTP API (local and remote agents) to inspect, browse, and interact with the user's shared browser safely.

hydro13/tandem-browser

Finds, compares and calls third-party data and tool services through QVeris over MCP, and generates REST code for the ones worth keeping.

QVerisAI/qveris-agent-toolkit

A skill your agent uses when implementing, debugging, refactoring, or testing existing BootUI Java code, including framework-neutral engine logic, Spring MVC and WebFlux adapters, Quarkus runtime…

jdubois/boot-ui

Creates and validates dubbo-go-pixiu LLM gateway conf.yaml. An agent skill from apache/dubbo-go-pixiu.

apache/dubbo-go-pixiu

A skill your agent uses for authorized, read-only research on public Xiaohongshu content or the local Xiaohongshu-like playground fixture.

jumodada/Drissionpage-MCP-Server

Integrate Java business systems with ReachAI SDK registration, SDK instance heartbeat, gateway/embed access, and optional API Management handoff.

w8123/EnterpriseAgentFramework

Provision Microsoft Entra Agent Identity Blueprints, BlueprintPrincipals, and per-instance Agent Identities via Microsoft Graph, and configure OAuth 2.0 token exchange (fmipath, OBO, cross-tenant)…

microsoft/GitHub-Copilot-for-Azure