Best backend and API skills, page 135

Every Nylas API, plus a local SQLite mirror, cross-grant search, and confirm-by-hash sending no other Nylas tool has.

mvanhorn/printing-press-library

PokéAPI as a fully offline Pokédex with SQL, full-text search, type math, and a damage calculator no other Pokémon tool ships as a CLI.

mvanhorn/printing-press-library

Every Roam HQ surface — chat, transcripts, On-Air events, SCIM, webhooks — in one local-first CLI with offline...

mvanhorn/printing-press-library

Every Seats.aero Partner API endpoint, plus a local award-availability store that tells you what is new, what is still live, and where your miles reach nonstop.

mvanhorn/printing-press-library

Every Splitwise feature, plus an offline SQLite ledger that powers balance, debt-aging, spend analytics, fairness, and full-text search no other Splitwise tool has.

mvanhorn/printing-press-library

The current Square v2 API surface, plus local reconciliation and retained history.

mvanhorn/printing-press-library

Generate and iterate on web apps with v0 from the terminal: create chats from prompts, stream agent output, sync history to a local SQLite mirror, and track credit spend across models.

mvanhorn/printing-press-library

WP-CLI-grade control over any WordPress site through plain HTTPS — no SSH, no server-side plugin, one static binary.

mvanhorn/printing-press-library

GAT-style Google Workspace auditing as an agent-native CLI: sync Directory, Drive, Gmail, Reports, and Alert Center into a local store, then run offline cross-API audits, offboarding, and OAuth-app…

mvanhorn/printing-press-library

Automatically discover distributed systems and realtime communication skills when working with consensus, CRDTs, replication, WebSocket, SSE, pub/sub, or event-driven architectures

rand/cc-polymath

Design multi-tier caching architectures for web applications — cache-aside vs write-through vs write-behind, TTL design, cache invalidation, Redis patterns, CDN configuration, browser caching, and…

curiositech/some_claude_skills

Expert debugger for Next.js + Cloudflare Workers + Supabase stacks.

curiositech/some_claude_skills

Progressive Web App development with Service Workers, offline support, and app-like behavior.

curiositech/some_claude_skills

Durable topic queues for iii: subscribe functions to topics, publish work asynchronously, retry failed deliveries with backoff, and inspect/redrive dead-lettered messages.

iii-hq/workers

Query the ClinPGx (formerly PharmGKB) REST API plus the CPIC PostgREST companion API for pharmacogenomic clinical annotations, CPIC/DPWG dosing guidelines, gene-drug pairs, variant-drug…

jaechang-hits/SciAgent-Skills

Query FDA drug labels (DailyMed) via REST API. An agent skill from jaechang-hits/SciAgent-Skills.

jaechang-hits/SciAgent-Skills

Query NCBI dbSNP for SNP records by rsID, gene, or region via E-utilities and Variation Services REST API.

jaechang-hits/SciAgent-Skills

Query DDInter drug-drug interactions via REST API (1.7M+ interactions, 2,400+ drugs).

jaechang-hits/SciAgent-Skills

Parse HMDB (Human Metabolome Database) local XML for metabolite info, chemical properties, biological context, disease links, spectra, and cross-DB mapping.

jaechang-hits/SciAgent-Skills

Query InterPro REST API for protein domain architecture, family classification, and member-DB integration.

jaechang-hits/SciAgent-Skills

Query Metabolomics Workbench REST API (4,200+ NIH studies) for metabolite ID, study discovery, RefMet standardization, m/z precursor searches, and gene/protein annotations.

jaechang-hits/SciAgent-Skills

Query Reactome pathways via REST: pathway queries, entity lookup, keyword search, gene list enrichment, hierarchy, cross-refs.

jaechang-hits/SciAgent-Skills

Annotate and filter VCF variants with SnpEff and SnpSift. An agent skill from jaechang-hits/SciAgent-Skills.

jaechang-hits/SciAgent-Skills

Cross-reference compound IDs across 20+ databases (ChEMBL, DrugBank, PubChem, ChEBI, PDB, SureChEMBL, HMDB, DrugCentral, BindingDB) via UniChem REST API.

jaechang-hits/SciAgent-Skills

Complete DFlow trading protocol SDK - the single source of truth for integrating DFlow on Solana.

majiayu000/claude-skill-registry

Search the PRIDE Archive v3 REST API for proteomics datasets: discover projects by keyword + faceted filters (organism, instrument, disease, software), fetch project metadata, list and download…

majiayu000/claude-skill-registry

Cost-safety discipline for paid AI / inference APIs: treat $-cost as a third complexity dimension alongside time and space.

majiayu000/claude-skill-registry

Amazon OpenSearch Service domain health assessment. An agent skill from aws/tools-for-devops-agent.

aws/tools-for-devops-agent

WooCommerce extension review for Codex. An agent skill from jorgerosal/wordpress-skills.

jorgerosal/wordpress-skills

Expert patterns for Algolia search implementation, indexing strategies, React InstantSearch, and relevance tuning

aiskillstore/marketplace

A skill your agent uses when setting up API clients - TanStack Query, Axios, JWT token management, error handling, or response parsing.

aiskillstore/marketplace

Secure API authentication with JWT, OAuth 2.0, API keys. An agent skill from secondsky/claude-skills.

secondsky/claude-skills

Verifies API contracts between services using consumer-driven contracts, schema validation, and tools like Pact.

secondsky/claude-skills

REST API security hardening with authentication, rate limiting, input validation, security headers.

secondsky/claude-skills

Cloudflare D1 serverless SQLite on edge. An agent skill from secondsky/claude-skills.

secondsky/claude-skills

This skill should be used when the user asks to "set up Cloudflare Queues", "create a message queue", "implement queue consumer", "process background jobs", "configure queue retry logic", "publish…

secondsky/claude-skills

Cloudflare R2 S3-compatible object storage. An agent skill from secondsky/claude-skills.

secondsky/claude-skills

Cloudflare Workers AI for serverless GPU inference. An agent skill from secondsky/claude-skills.

secondsky/claude-skills

| Nuxt 4 server-side development with Nitro: API routes, server middleware, database integration, and backend patterns.

secondsky/claude-skills

Nuxt 5 server-side development with Nitro v3, h3 v2, API routes, middleware, and database integration.

secondsky/claude-skills

OAuth 2.0 and OpenID Connect authentication with secure flows.

secondsky/claude-skills

Integrates payment processing with Stripe, PayPal, or Square including subscriptions, webhooks, and PCI compliance.

secondsky/claude-skills

Implements real-time WebSocket communication with connection management, room-based messaging, and horizontal scaling.

secondsky/claude-skills

Implement HTTP data fetching in Angular v20+ using resource(), httpResource(), and HttpClient.

Kilo-Org/kilo-marketplace

Implement routing in Angular v20+ applications with lazy loading, functional guards, resolvers, and route parameters.

Kilo-Org/kilo-marketplace

Implement server-side rendering and hydration in Angular v20+ using @angular/ssr.

Kilo-Org/kilo-marketplace

A skill your agent uses when designing distributed storage for HDFS, S3, ADLS, GCS, MinIO, NFS, or any distributed file system for data workloads.

Kilo-Org/kilo-marketplace

FastAPI Python framework. An agent skill from Kilo-Org/kilo-marketplace.

Kilo-Org/kilo-marketplace