add-fetcher
865Skill Claude CodeCodex
Guide for adding a new API data source fetcher to the ls-apis aggregator.
13,259 tagged Backend and APIs, measured the same way as everything else here.
Browse within: LLM 148agents 116skills 116agent 88agentic-ai 85api 80azure 68antigravity 64claude-code-plugin 61ai-coding 56cli 54cursor 54cybersecurity 53javascript 52
Skill Claude CodeCodex
Guide for adding a new API data source fetcher to the ls-apis aggregator.
jean-baptiste-tiple/mcp-template
Skill Claude Code
MCP : tools serveur MCP, widgets MCP Apps, resources ui://, OAuth 2.1 connecteur, mcp-handler, inspector, pattern prepare/save (zéro IA serveur), éditions en deltas (ops), golden queries, AX. FR : tool MCP, widget dans Claude/ChatGPT, serveur MCP, canal MCP, bridge host, anonymisation/adaptation par le modèle…
cohesivity-org/cohesivity-plugin
Skill Claude CodeCodex
Backend and infra for a project via Cohesivity (cohesivity.ai). Provisions Postgres, hosting and deploys, auth and social login, realtime websockets, an agent-native email inbox, object and vector storage, Redis, cron, and AI model APIs (OpenAI, Anthropic, Deepgram, Exa) through one HTTP API. Use when a valid…
almasumdev/awesome-mobile-performance-agent-skills
Skill Claude CodeCodex
Layer caches (memory, disk, CDN), use ETag and stale-while-revalidate, and batch small requests to cut latency and radio cost.
almasumdev/awesome-mobile-backend-agent-skills
Skill Claude CodeCodex
Server-side OAuth 2.1 + PKCE for native mobile apps -- authorization endpoint, token endpoint, refresh rotation, and device binding. Use when implementing or reviewing the auth server for mobile clients.
Skill Claude CodeCodex
Read and write real data in third-party apps (Gmail, Slack, Stripe, Shopify, HubSpot, QuickBooks, Linear, Notion, Salesforce and 700+ more) through the One MCP server. Use when the user asks to send an email, post a message, look up a customer, pull invoices, create a ticket, sync records, or take any action in an…
Skill Claude CodeCodex
Turns GraphQL APIs into MCP tools with the graphql2mcp CLI or the @graphql2mcp/lib library. Use when connecting a GraphQL endpoint to Claude Code, Claude Desktop, Cursor, VS Code or another MCP client; when serving a .graphql SDL file, schema glob or introspection JSON as an MCP server; when exposing selected GraphQL…
Skill Claude CodeCodex
Use to diagnose a failed HTTP API or MCP JSON-RPC response, separating transport, protocol and tool-result failures without retrying writes.
Ed-Fi-Exchange-OSS/Ed-Fi-SDK-for-AI-Assistants
Skill Claude CodeCodex
Guidance for writing, reviewing, auditing, debugging, or fixing any code that acts as an Ed-Fi API client — scripts, CLIs, SDKs, ETL and extract jobs, SIS or data-warehouse integrations. Covers authentication and token handling, the Discovery API, pushing data (POST/PUT/DELETE, dependency order, descriptors), pulling…
Skill Claude CodeCodex
Develop and maintain the ArchiveBox connector while preserving its governed API actions, web-source contract, credential boundary, package resources, and public-first release evidence.
Skill Claude CodeCodex
Operate the askell-mcp server: discovery tools, read vs mutate calls, analysis shortcuts, bundled OpenAPI and webhook resources, prod vs sandbox, and mutation confirmation. Pair with the askell-docs skill for live product docs and traps.
Skill Claude CodeCodex
Develop and verify nextcloud-agent as a connector-owned package while preserving its SDK Connector wiring, action-routed MCP tools, Nextcloud authentication and TLS boundary, packaged content, and source-backed spec-delivery publication.
Skill Claude CodeCodex
Skill da REST API do CND Federal na MCP.AI: 1 endpoint em /api/cndfederal. Emite a Certidão Negativa de Débitos (CND) federal de uma pessoa ou empresa a partir do CPF ou CNPJ. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré-pago. Autentique com workspace API key (sklive) gerada em…
vedangps/nitrostack-hackathon-starter
Skill Claude CodeCodex
Guidelines and patterns for defining Tools, Resources, and Prompts in a NitroStack application with schema validation via Zod, including caching, rate-limiting, and base64 file uploads.
Skill Claude CodeCodex
Tunnel localhost to a public URL — debug webhooks (inspect and replay captured requests, and via the Pipehero MCP server let the agent read captured webhooks and diagnose failing handlers against the code), expose your own MCP server (Streamable HTTP) so a cloud-only client like Claude.ai or ChatGPT can reach it, or…
0xagentlabs/oauth-mcp-framework
Skill Codex
Build, adapt, debug, and validate dedicated Streamable HTTP MCP tool servers that Grok can connect to by pasting one server URL and completing browser OAuth. Use for Grok Custom Connector MCP projects requiring OAuth discovery, restricted Dynamic Client Registration, Authorization Code with S256 PKCE, rotating refresh…
aisenseapi/aisense-free-public-rest-apis
Skill Claude CodeCodex
Use this skill whenever the user wants to integrate with, call, test, or learn about the free public REST APIs from AI SENSE AS (aisenseapi.com). Triggers include: requests for current time/datetime/timestamp, random numbers, random colors, passwords, UUIDs, GUIDs, Base64/Base58/Base32 encoding or decoding, JWT…
Skill Claude CodeCodex
Dribba publishes a versioned, key-free JSON API at https://dribba.com/api/v1 — services, case studies, articles, jobs, company facts and a ballpark project estimate — with RFC 9457 typed errors, IETF RateLimit headers and a published deprecation policy.
Skill Claude CodeCodex
Use smplkit when writing application code that needs feature flags, runtime configuration, dynamic log levels, or audit events — and to operate that same platform from your agent. Two halves that compose. (1) AUTHOR with the smplkit SDKs (Python, TypeScript, Go, Java, C#, Ruby): resolve a feature flag, read a config…
deadsimple-email/deadsimple-email
Skill Claude CodeCodex
Email API for AI agents. Create inboxes, send/receive email, manage threads and webhooks.
Skill Claude CodeCodex
Use when a site or app needs a form endpoint, contact form, lead capture, or to route submissions to email/Telegram/webhooks.
Skill Codex
Generate, validate, regenerate, and test deterministic NestJS, Prisma, and PostgreSQL backends from compact backendcompiler.dev/v1 YAML or JSON specifications. Use when an AI-built frontend needs a backend, when creating CRUD/auth/organizations/reservations/notifications/webhooks/jobs/uploads features, when changing…
Skill Codex
Use when a user asks to integrate with APIAny, choose or compare APIAny models, estimate APIAny credits or pricing, migrate OpenAI-compatible clients to APIAny, generate APIAny model usage examples, or run confirmed APIAny image and video tasks through the APIAny MCP server.
capabilityhostprotocol/capabilities-txt
Skill Claude CodeCodex
Generate a /capabilities.txt for a project so AI agents can discover what it can do — from its OpenAPI spec or codebase. Use when adding agent-discovery to a web API, SaaS, or app.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: