Backend and APIs

18,686 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

jfb-action-events

601

Lonsdale201/wp-agent-skills

Skill Claude CodeCodex

Configures the JetFormBuilder action events system — the named events (DEFAULT.PROCESS, DEFAULT.REQUIRED, GATEWAY.SUCCESS, GATEWAY.FAILED, BAD.REQUEST, ON.DYNAMICSTATE, never) that decide WHEN a Form Action runs. Covers declaring supported / unsupported / required events on a custom action, the validation precedence…

not rated 22 11d ago A SkillSpector: pass 227 tokens original MIT

astro-strapi-starter

602

VirtusLab-Open-Source/astro-strapi-starter

Skill Claude CodeCodex

Develop and extend the Astro + Strapi starter: content.config with @sensinum/astro-strapi-loader, Strapi 5 data in Astro pages, StrapiBlocks, BlockRenderer, Tailwind 4, shadcn. Covers onboarding (copy upstream skills), slug/CMS routes, Astro i18n, package upgrades, optional Vitest. Types in src/types/strapi/ with a…

not rated 21 6d ago A SkillSpector: pass 90 tokens original MIT

deapi-setup

603

deapi-ai/claude-code-skills

Command Claude Code

Configure result delivery method for deAPI jobs (polling, webhooks, websockets).

not rated 21 2mo ago A 23 tokens copy · 100% MIT

delimit-mcp-server

604

delimit-ai/delimit-mcp-server

MCP server Claude CodeCodexCursor +2

API governance for AI coding assistants. Breaking changes, policies, cross-model context. Runs locally from the delimit-cli npm package.

not rated 21 yesterday A tokens not measured original MIT

jentic-api-improve

605

jentic/jentic-api-scorecard

Agent Claude Code

Iterative OpenAPI improvement subagent. Edits specs to raise JAIRF scores using Python scripts, re-scores via CLI, and produces improved specs and overlays. Spawned by the jentic-api-improve skill — do not invoke directly.

not rated 21 yesterday A 56 tokens original Apache-2.0

cockroachlabs/cockroachdb-skills

Skill Claude CodeCodex

Guides application developers in designing correct and performant transaction patterns for CockroachDB, covering transaction lifetime, implicit vs explicit transactions, retry handling with exponential backoff, pushing invariants into SQL, selective pessimistic locking, set-based operations, connection pooling…

not rated 21 1mo ago A 102 tokens original Apache-2.0

hyperliquid-net

608

JKorf/HyperLiquid.Net

Cursor rule Cursor

Conventions for using HyperLiquid.Net when working with the HyperLiquid DEX in C#/.NET, including spot, futures, account, HIP-3 DEX, and HIP-4 outcome APIs. Apply when generating code that interacts with the HyperLiquid API.

not rated 21 yesterday A 0 tokens original MIT

yaleh/meta-cc

Agent Claude Code

Build automated validation tools to enforce API conventions at scale ensuring consistency without manual checks for Bootstrap-006.

not rated 21 19d ago A 24 tokens original MIT

drupal-contribute-fix

611

scottfalconer/drupal-contribute-fix

Skill Claude CodeCodex

REQUIRED when user mentions a Drupal module + error/bug/issue - even without stack traces. Trigger on: (1) " module has an error/bug/issue", (2) "Acquia/Pantheon/Platform.sh" + module problem, (3) any contrib module name (metatag, webform, mcp, paragraphs, etc.) + problem description. Searches drupal.org BEFORE you…

not rated 21 6mo ago A 113 tokens

mcp-n8n

612

leonardosepulvedat/mcp-n8n

MCP server Claude CodeCodexCursor +2

Operate and build n8n: 61 tools, 560-node catalog, validation, autofix, snapshots and backups. Runs locally from the mcp-n8n npm package. Needs 3 environment variables to run.

not rated 21 2d ago A tokens not measured original MIT

aws-samples/sample-agent-greenhouse

Skill Codex ✓ vendor

Build and deploy a small Slack Events API adapter for an Amazon Bedrock AgentCore Harness, with incremental responses delivered through Slack chat.startStream, chat.appendStream, and chat.stopStream. Use when a customer wants to create or reuse an AgentCore Harness, expose it as a Slack bot, stream InvokeHarness…

not rated 21 1mo ago A 142 tokens MIT-0

daloyjs/daloy

Skill Claude CodeCodex needs its repo

Build, test, and harden this DaloyJS REST API on Bun. Use when the user asks to add or change an endpoint, route, Zod/Standard Schema, middleware, error handling, OpenAPI spec, typed Hey API client, contract gate, auth, rate limit, background jobs, or security default. Also use for phrasing like "add GET /...", "new…

not rated 21 +1 today A SkillSpector: warn 120 tokens original MIT

RudyCity/superagent

Skill Claude CodeCodex

Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications. Covers async/await, dependency injection, Entity Framework Core, Dapper, configuration, caching, and testing with xUnit. Use when developing .NET backends, reviewing C# code, or designing API architectures.

not rated 21 +1 yesterday A SkillSpector: pass 70 tokens original MIT

odoo-integration

616

txampa/claude-skill-odoo-integration

Skill Claude CodeCodex

Use this skill when the user needs to connect to Odoo via XML-RPC, sync Odoo data to external systems (Google Sheets, databases, APIs), read or write Odoo models (stock.picking, sale.order, purchase.order, product.product, etc.), set up cron-based sync jobs, or deploy Odoo integrations on Railway/Render/Fly.io. Also…

not rated 20 5mo ago A 116 tokens original MIT

sdk-release

617

cashfree/agent-skills

Command Codex

You are an autonomous engineer for the cashfree/agent-skills repository. An issue labelled sdk-release reports that a new version of a Cashfree SDK or REST API has shipped. Your job: research the release from authoritative sources, update the changelog knowledge-base skill (and any integration skill the change…

not rated 20 9d ago A 0 tokens

sendmux

618

Sendmux/skills

Plugin Claude Code

Bundles 9 skills · 625 tokens together

Official Sendmux Agent Skills for email, mailbox, MCP, CLI, and SDK workflows.

not rated 20 changed 6d ago A tokens not measured

sparc-supabase-admin

619

mondweep/sparc-evolution

Command Claude Code

🔐 Supabase Admin - You are the Supabase database, authentication, and storage specialist. You design and implement d...

not rated 20 12mo ago A 32 tokens

salvo-file-handling

620

salvo-rs/salvo-skills

Skill Claude CodeCodex

Handle file uploads (single/multiple), downloads, and multipart forms. Use for file management, image uploads, and content delivery.

not rated 20 2mo ago A 32 tokens

mcp-builder

621

blackzhuge/zhuge-workflow

Skill Claude CodeCodex

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

not rated 20 6mo ago A 61 tokens

R44VC0RP/cursor.link

Cursor rule Cursor

URL: /docs/plugins/device-authorization Source: https://raw.githubusercontent.com/better-auth/better-auth/refs/heads/main/docs/content/docs/plugins/device-authorization.mdx.

not rated 20 6mo ago A 0 tokens

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: