# Skills for Backend and APIs Skills for Backend and APIs: what each one does, an install command and example prompts. 2279 cards · page 17 of 57 - HTML: https://affpapa.org/en/nevibecode/skills/topic/backend?page=17 - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [convex-deploy-guard](https://affpapa.org/en/nevibecode/skills/convex-deploy-guard.md) — skill · convex · Claude Code, Codex, Cursor +3 · 36000 installs — Classifies and announces the target Convex deployment before running mutations. - [convex-design](https://affpapa.org/en/nevibecode/skills/convex-design.md) — skill · convex · Claude Code, Codex, Cursor +3 · 36000 installs — This skill designs Convex backends from product requests, covering schemas, functions, auth, files, and LLM workflows. - [convex-reviewer](https://affpapa.org/en/nevibecode/skills/convex-reviewer.md) — skill · convex · Claude Code, Codex, Cursor +3 · 36100 installs — Walks Convex code through auth, validator, index and reactivity checks. - [convex-docs](https://affpapa.org/en/nevibecode/skills/convex-docs.md) — skill · convex · Claude Code, Codex, Cursor +3 · 36100 installs — Pins the project's installed Convex version and fetches current markdown docs or checks types instead of generating outdated API calls. - [convex-add](https://affpapa.org/en/nevibecode/skills/convex-add.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Adds hosting or another backend capability to the current Convex app. - [convex-advisor](https://affpapa.org/en/nevibecode/skills/convex-advisor.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Reads a Convex deployment's 72h insights, root-causes each event in code, and reports fixes ranked by severity. - [convex-crons](https://affpapa.org/en/nevibecode/skills/convex-crons.md) — skill · convex · Claude Code, Codex, Cursor +3 · 36000 installs — Adds recurring scheduled jobs to Convex applications. - [convex-env](https://affpapa.org/en/nevibecode/skills/convex-env.md) — skill · convex · Claude Code, Codex, Cursor +3 · 36000 installs — This skill sets and wires Convex deployment environment variables and secrets. - [convex-seed](https://affpapa.org/en/nevibecode/skills/convex-seed.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35800 installs — Populates Convex database tables with sample rows or imports external datasets. - [convex-verify](https://affpapa.org/en/nevibecode/skills/convex-verify.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35800 installs — convex-verify tests a Convex feature with seeded data, multiple mocked identities, and negative authorization checks. - [convex-monitor](https://affpapa.org/en/nevibecode/skills/convex-monitor.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35800 installs — This skill blocks on the next event in a Convex app — a dev error, a prod error or a feature request — and hands it to the agent. - [convex-billing](https://affpapa.org/en/nevibecode/skills/convex-billing.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35800 installs — Adds Stripe payments and subscriptions to a Convex app using @convex-dev/stripe with checkout sessions, webhooks, and subscription gating. - [convex-launch-readiness](https://affpapa.org/en/nevibecode/skills/convex-launch-readiness.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Runs four Convex audits into one readiness report with a score and an ordered fix plan. - [convex-explain-app](https://affpapa.org/en/nevibecode/skills/convex-explain-app.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Maps an existing Convex backend using schema and exported functions. - [convex-backup](https://affpapa.org/en/nevibecode/skills/convex-backup.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Sets up Convex snapshot exports and runs a restore drill into a throwaway preview, so you find out whether recovery actually works. - [convex-cost](https://affpapa.org/en/nevibecode/skills/convex-cost.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Analyzes Convex deployment spend, ranks functions driving read costs, and projects growth curves. - [convex-insights](https://affpapa.org/en/nevibecode/skills/convex-insights.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Queries logs and health for a running Convex deployment in natural language. - [convex-agent](https://affpapa.org/en/nevibecode/skills/convex-agent.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Adds an AI agent backend to a Convex app: durable threads, message history, tool calls and vector search for RAG. - [convex-test](https://affpapa.org/en/nevibecode/skills/convex-test.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35900 installs — Generates deterministic vitest tests for Convex backend functions using convex-test. - [convex-sentinel](https://affpapa.org/en/nevibecode/skills/convex-sentinel.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35700 installs — Configures Sentinel error capture inside your own Convex deployment. - [convex-self-heal](https://affpapa.org/en/nevibecode/skills/convex-self-heal.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35800 installs — The skill takes a production error through triage, root cause and repair, certifies the fix on a preview, then opens a PR. - [convex-suggest](https://affpapa.org/en/nevibecode/skills/convex-suggest.md) — skill · convex · Claude Code, Codex, Cursor +3 · 35800 installs — The skill notices when you hand-roll something a ready Convex component already solves, and offers one match after your task is done. - [exploiting-api-injection-vulnerabilities](https://affpapa.org/en/nevibecode/skills/exploiting-api-injection-vulnerabilities.md) — skill · mahipal · Claude Code, Codex, Cursor +3 · 311 installs — Audits API parameters, headers, and request bodies for injection flaws like SQLi and SSRF. - [domain-fintech](https://affpapa.org/en/nevibecode/skills/domain-fintech.md) — skill · actionbook · Claude Code, Codex, Cursor +3 · 2800 installs — A skill that gives the agent fintech domain rules for Rust: decimal money, immutable transactions, audit trails. - [domain-cloud-native](https://affpapa.org/en/nevibecode/skills/domain-cloud-native.md) — skill · actionbook · Claude Code, Codex, Cursor +3 · 2900 installs — A domain skill that injects cloud-native architecture rules into Rust projects, covering health endpoints, graceful exits, and stateless design. - [post-purchase-upsell-flow](https://affpapa.org/en/nevibecode/skills/post-purchase-upsell-flow.md) — skill · autonnel · Claude Code, Codex, Cursor +3 · 103100 installs — Designs one-click post-purchase upsells and downsells that boost average order value without lowering base checkout conversion. - [connect-required-verification-information](https://affpapa.org/en/nevibecode/skills/connect-required-verification-information.md) — skill · stripe · Claude Code, Codex, Cursor +3 · 1400 installs — Guides the agent through Stripe Connect verification rules to determine KYC requirements, onboarding fields, and documents for connected accounts. - [convex](https://affpapa.org/en/nevibecode/skills/waynesutton-convex.md) — skill · waynesutton · Claude Code, Codex, Cursor +3 · 5700 installs — Routes Convex backend tasks to dedicated builder skills and enforces global rules for queries, mutations, and schemas. - [performance-profiler](https://affpapa.org/en/nevibecode/skills/performance-profiler.md) — skill · Alireza Rezvani · Claude Code · 720 installs — This skill investigates CPU, memory, I/O, and database bottlenecks in Node.js, Python, and Go apps. - [power-platform-architect](https://affpapa.org/en/nevibecode/skills/power-platform-architect.md) — skill (official GitHub) · Tim Hanewich · GitHub Copilot · 205 installs — This skill turns business requirements, use cases, and meeting transcripts into a Power Platform solution architecture with component choices and Mermaid.js diagrams. - [rust-router](https://affpapa.org/en/nevibecode/skills/rust-router.md) — skill · actionbook · Claude Code, Codex, Cursor +3 · 2700 installs — A skill that stops the agent from answering Rust questions off the cuff and walks it through layers instead: language mechanics, design choices, domain constraints. - [domain-iot](https://affpapa.org/en/nevibecode/skills/domain-iot.md) — skill · actionbook · Claude Code, Codex, Cursor +3 · 2700 installs — This skill turns IoT constraints into Rust design choices: the network drops, power is scarce, the device is physically reachable. - [platform-apex-generate](https://affpapa.org/en/nevibecode/skills/platform-apex-generate.md) — skill · forcedotcom · Claude Code, Codex, Cursor +3 · 7100 installs — Generates Apex classes and triggers, then runs the code analyzer and org tests. - [design-code-architecture](https://affpapa.org/en/nevibecode/skills/design-code-architecture.md) — skill · wondelai · Claude Code, Codex, Cursor +3 · 2300 installs — Walks you from an app idea to a deliberate architecture: eight phases, a question at every decision point, results written into docs/. - [platform-apex-test-generate](https://affpapa.org/en/nevibecode/skills/platform-apex-test-generate.md) — skill · forcedotcom · Claude Code, Codex, Cursor +3 · 7000 installs — This skill writes and fixes Apex test classes: data factories, bulk runs, mocks and coverage analysis. - [replica-architect](https://affpapa.org/en/nevibecode/skills/replica-architect.md) — skill · Jakeschincariol · Claude Code, Codex, Cursor +3 · 618 installs — Plans the stack, database schema and API routes for an app clone, working from the recon map replica-recon produced. - [database-schema-designer](https://affpapa.org/en/nevibecode/skills/database-schema-designer.md) — skill · Alireza Rezvani · Claude Code · 692 installs — This skill turns database requirements into relational schemas, ERDs, and migrations. - [platform-apex-test-run](https://affpapa.org/en/nevibecode/skills/platform-apex-test-run.md) — skill · forcedotcom · Claude Code, Codex, Cursor +3 · 6900 installs — Runs Apex tests via the Salesforce CLI, analyzes code coverage, and guides test-fix loops. - [replica-backend](https://affpapa.org/en/nevibecode/skills/replica-backend.md) — skill · Jakeschincariol · Claude Code, Codex, Cursor +3 · 613 installs — Builds the backend of an app clone: auth, database migrations and access rules, Stripe payments, email and background jobs. - [xurl](https://affpapa.org/en/nevibecode/skills/xdevplatform-xurl.md) — skill · xdevplatform · Claude Code, Codex, Cursor +3 · 660 installs — CLI skill for authenticated X API requests. Next: https://affpapa.org/en/nevibecode/skills/topic/backend.md?page=18 ## Refine [typescript](https://affpapa.org/en/nevibecode/tag/typescript.md) · [api](https://affpapa.org/en/nevibecode/tag/api.md) · [python](https://affpapa.org/en/nevibecode/tag/python.md) · [dotnet](https://affpapa.org/en/nevibecode/tag/dotnet.md) · [java](https://affpapa.org/en/nevibecode/tag/java.md) · [rest-api](https://affpapa.org/en/nevibecode/tag/rest-api.md) · [database](https://affpapa.org/en/nevibecode/tag/database.md) · [node](https://affpapa.org/en/nevibecode/tag/node.md) · [csharp](https://affpapa.org/en/nevibecode/tag/csharp.md) · [react](https://affpapa.org/en/nevibecode/tag/react.md) · [webhooks](https://affpapa.org/en/nevibecode/tag/webhooks.md) · [cli](https://affpapa.org/en/nevibecode/tag/cli.md) ## Narrow this list Parameters: `?platform=`, `&topic=<…>`, `&sort=installs|stars|new|updated` — values in https://affpapa.org/en/nevibecode/agents.md --- NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md