12,617 tagged Backend and APIs, measured the same way as everything else here.
Browse within: agents 161skills 141LLM 110agent 91azure 79agentic-ai 77api 73claude-code-plugin 61ai-coding-agent 58antigravity 53sdk 51nextjs 50claude-code-skills 49cli 48
tirthanzh/mcp-transportasi-jalan-tol-dan-jalur-ka
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…
tirthanzh/mcp-transportasi-bandara-dan-pelabuhan
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…
Skill Claude Code
Migrate .NET API endpoints to Postman collection. Supports multiple input modes — single API Code, multiple API Codes, single Controller, multiple Controllers, controller folder, or spec-only. Only migrates endpoints with API Spec documents by default.
Skill Claude CodeCodex
Use this skill whenever the user wants to call, test, inspect, or debug an HTTP API through the Request API Tool MCP server, especially for endpoint checks, login flows, bearer-token reuse, cookies, headers, base URL setup, or repeated API requests. This skill teaches the correct use of newrequestsession…
Skill Claude CodeCodex
Agent Billy is an MCP server that gives AI agents and teams secure, role-based access to Stripe billing operations. Process refunds, manage subscriptions, search customers, and handle invoices — all with permission controls and audit logging.
Skill Claude CodeCodex
Skill "project-architecture" from pjosols/pyfastmail-mcp, covering project architecture, package layout, key patterns and adding a new tool.
Skill Claude CodeCodex
FastAPI best practices and conventions. Use when working with FastAPI APIs and Pydantic models for them. Keeps FastAPI code clean and up to date with the latest features and patterns, updated with new versions. Write new code or refactor and update old code.
Skill Claude CodeCodex
FastAPI best practices and conventions. Use when working with FastAPI APIs and Pydantic models for them. Keeps FastAPI code clean and up to date with the latest features and patterns, updated with new versions. Write new code or refactor and update old code.
Skill Claude CodeCodex
Execution runtime for structured operations against named third-party APIs (Linear, Slack, GitHub, Stripe, and 140+ others). Use when the user names a specific API and wants a typed operation against it (create issue, post message, charge card). Cocoon downloads the per-API CLI on demand and calls it through a…
Skill Claude CodeCodex
Call an HTTP/JSON API with explicit timeouts, retries with backoff, and progress reporting. Use for any outbound API call from a skill, and read this before writing a script that hangs.
Skill Claude CodeCodex
Use ao criar uma nova path operation (endpoint) FastAPI. Cobre type hints corretos, responsemodel, statuscode, tags e tratamento de erro seguindo a doc oficial. Dispara em "criar endpoint", "nova rota", "adicionar path operation".
Skill Claude CodeCodex
FastAPI best practices and conventions. Use when working with FastAPI APIs and Pydantic models for them. Keeps FastAPI code clean and up to date with the latest features and patterns, updated with new versions. Write new code or refactor and update old code.
Skill Claude CodeCodex
Use when the user needs to connect to a database, query data, analyze schemas, run SQL, manage multi-database profiles, lint SQL, inspect query history, audit access, dump/recover backups, manage PII masking, or compare query plans. Covers all capabilities of universal-db-mcp. Auto-detects DB connection info from…
Skill Claude CodeCodex
Governs API-contract changes before they ship. Use when about to merge, deploy, publish, or register/expose agent tools AND the change touches a contract artifact (OpenAPI/Swagger, GraphQL SDL, gRPC/protobuf, AsyncAPI, MCP manifest, or agent tool schemas): get a decision (ALLOW/WARN/REQUIREAPPROVAL/BLOCK) with a risk…
Skill Claude CodeCodex
Proven workflow architectural patterns from real n8n workflows. Use when building new workflows, designing workflow structure, choosing workflow patterns, planning workflow architecture, or asking about webhook processing, HTTP API integration, database operations, AI agent workflows, batch processing, or scheduled…
Skill Claude CodeCodex
FastAPI best practices and conventions. Use when working with FastAPI APIs and Pydantic models for them. Keeps FastAPI code clean and up to date with the latest features and patterns, updated with new versions. Write new code or refactor and update old code.
lakome-learn-n-grow/linkedin-profile-scraper
Skill Claude CodeCodex
REST API and MCP server for AI agents to extract structured LinkedIn profile data.
Skill Claude CodeCodex
Fork, customize, deploy, or troubleshoot the Auth0 Who Am I MCP template as an Auth0 Custom Extension. Use when adapting this repository's MCP tools, publishing its generated Webtask artifacts, provisioning its Auth0 API resource server, promoting a domain-level connection, registering an MCP client, or connecting an…
Skill Claude CodeCodex
TypeScript SDK for mail (JMAP), calendar (CalDAV), and contacts (CardDAV). Provider-generic; Fastmail works out of the box. The examples below use fastmail as the import alias — any name works.
Skill Claude CodeCodex
TypeScript SDK for the Splitwise API — all 27 endpoints.
Skill Claude Code
Authenticate with InFlow and pay HTTP 402-protected resources via MPP (the Payment auth scheme) or x402. Use when the user invokes the inflow CLI or asks to log in / connect to InFlow.
Skill Claude CodeCodex
Use when building, modifying, or testing HTTP/REST APIs in a project that has the Gud API MCP server (@gudlab/gud-api-mcp) connected. Instead of throwaway curl commands, register each endpoint as a saved Gud API request, run it, and capture the response — so the human inherits a clickable, git-committable collection…
Skill Claude CodeCodex
Full-lifecycle ServiceNow engineering assistant to write, review, complete, debug, and find missing code across every ServiceNow script type — Business Rules, Script Includes, Client and Catalog Scripts, UI Policies, UI Actions, Scheduled Jobs, background/fix scripts, Transform Maps, Notification/email scripts…
Skill Claude CodeCodex
Use when creating ServiceNow catalog items with Flow Designer flows, when automating service request fulfillment workflows, when building approval + task + conditional flows, or when adding/positioning progress stages on a flow programmatically via the undocumented processflow API.
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: