Backend and APIs

maocatooo/flask-mcp-plus

MCP server Claude CodeCodexCursor +2

Flask integration for Model Context Protocol (MCP). Runs locally from the flask-mcp-plus Python package.

best-doctor/mcp-yandex-wiki

MCP server Claude CodeCodexCursor +2

MCP server for Yandex Wiki with read/write tools and readonly mode. Runs locally from the mcp-yandex-wiki Python package.

moha-abdi/mitmproxy-mcp

Skill Claude CodeCodex

Analyze, intercept, and replay HTTP/HTTPS traffic through mitmproxy. Gives you 20 MCP tools for traffic analysis, request replay, interception control, and proxy configuration. Use when debugging APIs, testing security, or understanding how an application talks to its backend.

backant-io/jerrycan

Skill Claude CodeCodex

Use when building, designing, or scaffolding a backend REST/CRUD API. Guides the whole process step by step — eliciting exactly what the user intends, analyzing an existing frontend to derive the API contract, scoping against what jerrycan can build, authoring design.json, scaffolding, implementing handlers/jobs from…

godzeo/mcp-request

MCP server Claude CodeCodexCursor +2

A comprehensive HTTP client MCP server for security testing, API testing, and web automation. Runs locally from the mcp-request Python package.

Gorvey/yapi-get-interface-mcp

MCP server Claude CodeCodexCursor +2

A local MCP server for retrieving interface details from YAPI, an API management and documentation platform. MCP lets an AI agent use external tools in a standard way.

instantdb/skills

Skill Claude CodeCodex

Build complete, functional apps with InstantDB as the backend. Use when creating React/vanilla JS or expo applications. Triggers on requests for building apps.

eralmansouri/skills

Plugin Claude Code

Bundles 8 skills · 378 tokens together

Practical skills for domain-driven design, vertical slices, service boundaries, event-driven systems, persistence, event sourcing, codebase design, and design review.

cedricfressin/cursor.rules

Cursor rule Cursor

Configure Supabase services when implementing backend features to ensure secure and efficient database operations.

Ashex/atproto-mcp

MCP server Claude CodeCodexCursor +2

MCP server providing AT Protocol documentation, lexicons, Bluesky API docs, and cookbook examples as a searchable knowledge base powered by semantic search. Runs locally from the atproto-mcp Python package.

docusealco/docuseal-agent-skills

Plugin Claude Code

Bundles 2 skills · 181 tokens together

Add DocuSeal document signing to your app with embed components, REST API, SDKs, and webhooks.

shigechika/mcp-stdio

MCP server Claude CodeCodexCursor +2

Stdio-to-HTTP gateway — connects MCP clients to remote HTTP MCP servers. Runs locally from the mcp-stdio Python package.

maludb-ed/htmx-php-builder

Plugin Claude Code

Bundles 9 skills · 758 tokens together

Builds memory-first HTMX + PHP + Bootstrap 5.3 applications with a consistent design system, a fixed phased build order, and an Ask Me Anything feature in every app.

cresset-tools/magequery

Skill Claude CodeCodex

Inspect and verify how a Magento 2 codebase is wired using the fast magequery CLI, before grepping, before reading XML by hand, and before booting bin/magento or magerun. Two modes, both first-choice. Investigate: what a class resolves to (preferences, plugins, virtual types, constructor arguments), why a…

wangyendt/wayne-skills

Skill Claude CodeCodex

Feishu/Lark message listener for real-time event processing via WebSocket. Use when users need to listen for incoming Feishu messages (text, image, file, audio, media, sticker, post, interactive) and events (recall, read, reaction, bot added/removed, member changes, chat updates) with automatic deduplication, async…

bashar94/flask-mcp-server

MCP server Claude CodeCodexCursor +2

Flask-MCP-Server is a lightweight, production-ready Model Context Protocol (MCP) server for Flask, with tool discovery, endpoint registration, async support, and full compliance with the latest MCP 2025-06-18 specification. Runs locally from the flask-mcp-server Python package.

6missedcalls/erpnext-skill

Skill Claude CodeCodex

Complete Frappe Framework development reference for building ERPNext apps. Use when creating custom DocTypes, controllers, hooks, REST APIs, form scripts, background jobs, or any Frappe/ERPNext development. Contains full API documentation for Document, Database, Controllers, Hooks, REST API, Form Scripts, Testing, and…

wispbit-ai/skills

Skill Claude CodeCodex

GraphQL performance optimization and best practices for building scalable APIs. This skill should be used when writing, reviewing, or refactoring GraphQL schemas, resolvers, or query execution code. Triggers on tasks involving GraphQL APIs, resolver optimization, query performance, or data fetching patterns.

AllanOps/Clean-Backend

Plugin Claude Code

Bundles 1 skill · 51 tokens together

The backend habits an AI assistant misses on its own — API versioning, feature flags, circuit breakers, and four more. Measured across 13 baseline runs; everything the model already does reliably was cut.

BrainWeb/payload-mcp-oauth

Plugin Claude Code

Bundles 1 skill, 1 agent · 141 tokens together

Install/configure helper for @brainwebuk/payload-plugin-mcp-oauth — OAuth 2.1 + PKCE for a Payload @payloadcms/plugin-mcp server.

decagondev/MCP-Factory

Cursor rule Cursor

Step-by-step instructions for adding a new API service plugin to MCP Factory.

thanoseleftherakos/wordpress-boost

Skill Claude CodeCodex

Expert guidance for creating custom WP-CLI commands and using WP-CLI for WordPress development and administration.

KUP-IP/the-bridge

Skill Claude CodeCodex

Build, debug, and optimize Claude API / Anthropic SDK apps. Apps built with this skill should include prompt caching. Also handles migrating existing Claude API code between Claude model versions (4.5 → 4.6, 4.6 → 4.7, retired-model replacements). TRIGGER when: code imports anthropic/@anthropic-ai/sdk; user asks for…

piyiotisk/htmx-skills

Plugin Claude Code

Bundles 1 skill · 83 tokens together

Build interactive web UIs with htmx by adding hypermedia attributes to HTML and returning HTML fragments from the server.