Best backend and API skills, page 122

Backend tech-stack identification — web servers, runtimes, languages, frameworks, databases, APIs, and CMS via HTTP headers, cookies, error pages, and API discovery.

transilienceai/communitytools

Implement field-level encryption with @cipherstash/stack using the EQL v3 typed schema.

cipherstash/stack

Apply when building or reviewing external ingestion, imports, connector polling, webhooks, extraction workers, sync cursors, checkpoints, or repair jobs.

stella/stella

Place validation in the correct one of our three scopes in the .NET API — API contract (no DB), Application business via Kommand IValidator, or Domain invariants that throw.

atherio-danp/cde-dotnetcc

Resolve developer feedback markers (sage-feedback ::) left in completed-cycle code.

SeJonJ/ChatForYou

Create or update only sage/project-profile.local.yaml for a developer joining an already bootstrapped SAGE project.

SeJonJ/ChatForYou

Author and open a composite 00 Fast Plan for an explicitly enabled L2/L3 Fast Cycle.

SeJonJ/ChatForYou

Implement, independently review, report, and close an already-open SAGE Fast Cycle.

SeJonJ/ChatForYou

Deploy an Agent Kernel project to AWS, Azure, or GCP using Terraform modules, or to any Kubernetes cluster (on-prem, baremetal, EKS) using the official Helm chart.

yaalalabs/agent-kernel

Audits an already-written use case (UC-XXX) or test case (TC-XXX) against its specification and reports a coverage matrix: which main success scenario steps, alternative flows, business rules…

AI-Unified-Process/marketplace

A skill your agent uses when the user wants to call Tencent iOA open APIs against their own iOA system, e.g.

infometa/workbuddyskills

Backend engineering judgment, distilled from a stronger model - invoke when CHOOSING a tech stack, language, database, queue, or architecture; designing a service, API, business logic, or schema…

telagod/code-abyss

Pull design tokens + frame structure from a Figma URL via the Figma REST API.

bluzir/claude-code-design

Build email template systems with React Email or MJML: responsive layouts, dark mode, multi-provider sending, and spam score optimization.

borghei/Claude-Skills

Jellyfin API, authentication flow, rating scale, streaming, scrobbling, and video playback.

ad-repo/nullplayer

MUST activate when the project contains a uiBundles//src/ directory and the task involves uploading, attaching, or dropping files.

forcedotcom/sf-skills

Headless 360 REST API deployment step for creating sObject records.

forcedotcom/sf-skills

Phone calling skill for OpenClaw: agent makes real outbound phone calls to users for alerts, briefings, reminders, and urgent notifications.

davepoon/buildwithclaude

Linear command center. An agent skill from davepoon/buildwithclaude.

davepoon/buildwithclaude

Use TweetClaw as an OpenClaw plugin for X/Twitter automation: search tweets, search tweet replies, post tweets/replies, export followers, look up users, handle media, monitor tweets, deliver…

davepoon/buildwithclaude

X (Twitter) data extraction and monitoring via Xquik: tweet search, user lookup, follower extraction, giveaway draws, trending topics, account monitoring with webhooks, reply/retweet/quote…

davepoon/buildwithclaude

Subscribe to Binance Spot public market streams through UXC raw WebSocket support for trades, book ticker, depth, and ticker events with stream-specific guardrails.

holon-run/uxc

Use Birdeye MCP through UXC for token market data, trending and discovery workflows, price monitoring, and DEX-related reads with help-first live tool discovery and API-key auth.

holon-run/uxc

Operate Bitget public exchange market APIs through UXC with a curated OpenAPI schema, market-first discovery, and explicit private-auth boundary notes.

holon-run/uxc

Operate Bybit V5 public market APIs through UXC with a curated OpenAPI schema, market-first discovery, and explicit private-auth boundary notes.

holon-run/uxc

Use CoinMarketCap MCP through UXC for crypto market quotes, technical analysis, on-chain metrics, global market overview, narratives, macro events, news, and semantic search with help-first schema…

holon-run/uxc

Operate DefiLlama public analytics APIs through UXC with a curated OpenAPI schema and read-first guardrails.

holon-run/uxc

Operate DefiLlama public price APIs through UXC with a curated OpenAPI schema and read-first guardrails.

holon-run/uxc

Operate DefiLlama public yield APIs through UXC with a curated OpenAPI schema and read-first guardrails.

holon-run/uxc

Operate DexScreener public market data APIs through UXC with a curated OpenAPI schema, no-auth setup, and read-first guardrails.

holon-run/uxc

Operate Ethereum execution JSON-RPC through UXC with the official execution OpenRPC schema, public EVM read methods, and ethsubscribe pubsub guardrails.

holon-run/uxc

Use GoldRush MCP through UXC for multichain wallet balances, transfers, portfolio history, NFT ownership, token approvals, prices, and chain metadata via stdio MCP with injected API-key auth.

holon-run/uxc

Use Hive Intelligence MCP through UXC for broad crypto market, onchain, portfolio, and risk workflows with help-first discovery and convenience-layer guardrails.

holon-run/uxc

Operate Kraken public market APIs through UXC with a curated OpenAPI schema, market-first discovery, and explicit private-auth boundary notes.

holon-run/uxc

Operate KuCoin public exchange market APIs through UXC with a curated OpenAPI schema, market-first discovery, and explicit private-auth boundary notes.

holon-run/uxc

Operate mempool.space public Bitcoin and Lightning explorer APIs through UXC with a curated OpenAPI schema, no-auth setup, and read-first guardrails.

holon-run/uxc

Operate NEAR JSON-RPC reads through UXC with a public provider default, provider-override guidance, and read-only guardrails.

holon-run/uxc

Use a local QMD knowledge base through UXC over MCP stdio, with daemon-backed session reuse and typed retrieval flows that avoid repeated model warmup and unnecessary query-expansion latency.

holon-run/uxc

Operate Sui public JSON-RPC through UXC with OpenRPC-driven discovery, mainnet fullnode defaults, and read-only query plus pubsub subscription guardrails.

holon-run/uxc

Use The Graph Token API MCP through UXC for token metadata, wallet balances, transfers, holders, pools, and market data with help-first inspection and Token API specific JWT bearer auth binding.

holon-run/uxc

Inventory and ownership rules for shared Agent-Native workspace UI.

BuilderIO/agent-native

Calendar + video provider integrations — Google Calendar, Office 365, Zoom, built-in video, Google Meet — and how to write new ones.

BuilderIO/agent-native

Full-cognition token analysis for Base EVM tokens via the deluagent oracle.

BankrBot/skills

Fund OpenCAP inference from Capminal with staked CAPU on Base.

BankrBot/skills

For Bankr agents operating a Harness-provisioned wallet. An agent skill from BankrBot/skills.

BankrBot/skills

On-chain USDC lottery on Base with daily drawings. An agent skill from BankrBot/skills.

BankrBot/skills

A skill your agent uses when the user wants to interact with Hacker News (news.ycombinator.com) — read top stories from the frontpage, extract a post's data and comments, or search stories via the…

browsing-skills/browsing-skills

基于真实生产应用的示例项目特定技能模板。

loulanyue/awesome-claude-notes