Best backend and API skills, page 6

Step-by-step guide to writing the mandatory integration tests for syncable metadata entities in Twenty's server, covering failures and CRUD success cases.

twentyhq/twenty

Portable Effect patterns for robust promise execution. An agent skill from millionco/expect.

millionco/expect

Designs software architecture and selects appropriate patterns for projects.

CloudAI-X/claude-workflow-v2

Drive Codeman, the session manager this agent is running inside, over its HTTP API: list sessions, start worker sessions, send them prompts, block until they finish (wait / wait-output /…

Ark0N/Codeman

Manages OKX Simple Earn (flexible savings/lending), Flash Earn, On-chain Earn (staking/DeFi), Dual Investment (DCD/双币赢), and AutoEarn (自动赚币) via the okx CLI.

okx/agent-skills

Raccoon (小浣熊) PPT generation skill powered by the PPT OpenAPI.

SenseTime-Copilot/raccoon-ppt-skill

Send a downloaded book file to a Kindle via the zlib CLI, and walk the user through the one-time SMTP/Amazon setup it needs.

heartleo/zlib

Reconcile the SDK against the Mollie API spec — checks and optionally fixes types, JSDoc, enums, deprecations, endpoint coverage, and helper wiring.

mollie/mollie-api-node

A skill your agent uses when creating HTML email templates with React components - welcome emails, password resets, notifications, order confirmations, newsletters, or transactional emails.

viclafouch/meme-studio

Guide for upgrading Stripe API versions and SDKs. An agent skill from kanchengw/cnllm.

kanchengw/cnllm

Send emails via Gmail SMTP using App Password authentication.

open-gitagent/gitagent

A skill your agent uses when building, debugging, or optimizing Jazz applications.

garden-co/classic-jazz

Operate FLVX traffic forwarding management system via REST API.

Sagit-chu/flvx

A skill your agent uses when a PinMe project (Worker TypeScript) needs to integrate email sending (sendemail).

glitternetwork/pinme

This skill should be used when the user asks to "create a Temporal workflow", "write a Temporal activity", "debug stuck workflow", "fix non-determinism error", "Temporal Python", "Temporal…

latitude-dev/latitude-llm

Specifies how a GenLayer Intelligent Contract decision about an agent's performance becomes an ERC-7710 revocation or policy change, through a relayer or bridge and an EVM controller.

internet-court/internet-court-skill

A skill your agent uses when quickly generating a single OpenCLI command from a specific URL and goal description.

joeseesun/qiaomu-opencli-skills

Handles Laravel Cashier Stripe integration including subscriptions, webhooks, Stripe Checkout, invoices, charges, refunds, trials, coupons, metered billing, and payment failure handling.

luadotsh/lua

Review changes to Polar's API contract — Pydantic schemas, FastAPI endpoints, OpenAPI output and the generated SDKs.

polarsource/polar

Generate multiple radically different interface designs for a module using parallel sub-agents.

fossasia/eventyay-interpretation

Generates a Datadog Terraform provider data source from an OpenAPI operation with tfgen and opens a review-ready GitHub PR with a risk scan and testing guide.

DataDog/terraform-provider-datadog

Implement @data-client Managers for global/background side effects - websocket, SSE, polling, real-time updates, subscriptions, logging, analytics, metrics/timing, error reporting (Sentry), toast…

reactive/data-client

Guides building Grails web applications and REST APIs with GORM, controllers, services, views, plugins and Spock and Geb testing.

apache/grails-core

openloomi Connectors tools - manage the native 7 messaging integrations and pair with the composio skill for the 1000+ apps OAuth layer (Slack, Discord, X, Gmail, Outlook, Google…

melandlabs/openloomi

Wires an app to the Yalidine (Guepex) Algerian courier API: parcels, zone lookups, delivery fees and verified delivery-status webhooks.

bighadj22/codflow

A skill your agent uses when making, reviewing, debugging, or scripting Runware API requests.

LayrKits/Sprite-Pipeline

A skill your agent uses when adding or editing Nango integration documentation - creates and maintains integration pages, setup guides, connect guides, navigation, and provider metadata following…

NangoHQ/nango

A skill your agent uses when contributing to InsForge's shared dashboard package.

InsForge/InsForge

React Query conventions for data fetching in Supabase Studio.

supabase/supabase

Generates a full CRUD page - page component, data model and API client - from the south-admin-react project's own VS Code snippet templates.

southliu/south-admin-react

Reconstruct an OKF bundle by event-sourcing a repository's history (git log and Claude session transcripts).

scaccogatto/okf-skills

Exhaustively audit the UI control by control and role by role — enumerate every button, link, and input on a set of pages, write down what each is supposed to do (derived from the handler code and…

bagofwords1/bagofwords

Guides development on the fastapi-redis-sdk library itself - its connection lifecycle, dependency-injected caching, and async/sync bridging.

redis/fastapi-redis-sdk

Verify that code changes do not introduce OAuth security vulnerabilities.

doorkeeper-gem/doorkeeper

Add or modify an AI chat tool ("Ask Ryo" capability) in ryOS.

ryokun6/ryos

Create conversation adapters for importing AI chat history from different tools (Claude Code, Cursor, Warp, Codex, etc.).

marcus/sidecar

Operate a running OpenPost instance through the openpost CLI.

getopenpost/openpost

Call any REST API dynamically. An agent skill from NVIDIA/SkillEvaluator.

NVIDIA/SkillEvaluator

Convert GitHub/GitLab/Gitee repositories into comprehensive OpenCode Skills using embedded LLM calls with multiple mirrors and rate limit handling

zhangyanxs/repo2skill

A skill your agent uses when: generating TypeScript API layer (type definitions + request functions) from page-spec JSON or Swagger/OpenAPI docs.

ChenyCHENYU/Robot_Admin

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

Diagnose a named CCB agent by combining authoritative runtime and job lineage with deep read-only pane inspection, apply bounded recovery when evidence supports it, verify the result, and request…

SeemSeam/claude_codex_bridge

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

microsoft/work-iq

通过 IMA OpenAPI 处理知识库任务。支持知识库内容搜索、命中详情查看、条目浏览、列出知识库、上传文件、导入网页。用户提到知识库、资料库、上传到知识库、导入网页、搜知识库时使用。

countbot-ai/CountBot

Implement or review caddy-security Go code, Caddy modules, parsers, lifecycle, and HTTP delegation.

greenpau/caddy-security

Recommends which WxJava Maven module, BOM and example entry point fits a given WeChat product and server setup, from official accounts to payments.

binarywang/WxJava

R object-oriented programming guide for S7, S3, S4, and vctrs.

ab604/claude-code-r-skills

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