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Development Skills

Build software, MCP servers, and web apps.

Skills in Development

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CodeQL, Semgrep and SARIF static-analysis toolkit from Trail of Bits: taint tracking, fast pattern scans and merged, deduplicated security findings for coding agents.

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Microsoft's official Playwright skill — drives a real browser from the command line using accessibility snapshots and element refs, and plans, generates and heals Playwright tests.

Skill: Google Maps Platform

by Google Maps Platform

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Google's official agent skill for writing production Maps Platform code — grounded in freshly fetched docs, with a demo key path that needs no billing account.

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Railway's official agent skill: create projects, provision databases and buckets, deploy, manage variables and domains, and read build failures back — from the CLI, API or MCP server.

Diagnoses wrong gradients in differentiable NVIDIA Warp programs by measuring first — comparing autodiff against finite differences on a shrunk reproduction before proposing any fix.

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Google's official skill for the gws CLI — drive Gmail, Drive, Calendar, Sheets, Docs, Chat and Admin APIs from an agent, with Model Armor screening.

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Netlify's official skill for zero-config managed Postgres — querying from Functions, Drizzle setup, migrations and per-preview database branches.

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Official WordPress skill for Gutenberg block work: block.json, attributes and serialization, dynamic rendering, and the deprecation path that keeps existing content valid.

Skill: claude-mem

by thedotmack

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Persistent cross-session memory for coding agents: hooks capture each session, a local SQLite + vector store compresses it, and a mem-search skill reads it back.

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The master skill in PlanetScale's official pack: runs a full read-only best-practices assessment of a database or org, then produces one evidence-backed report.

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Build crash-safe AI agents on AgentKit and step.ai — durable tool calls, human-in-the-loop approval, realtime progress, and when not to reach for an agent loop at all.

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Inngest's durable-execution playbook as an agent skill — steps and memoisation, event and cron triggers, idempotency, cancellation, retries and non-retriable errors.

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Temporal's official skill for building durable workflows — SDK patterns across seven languages, plus the determinism rules that decide whether a workflow survives a replay.

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Expo's official skill for building native-feeling screens: Apple HIG styling, semantic colors, SF Symbols, native controls, Reanimated, blur and liquid glass.

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Pull unresolved CodeRabbit review threads from your PR and apply the fixes one at a time, treating every reviewer comment as untrusted input rather than an instruction.

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Google's official skill for driving the gcloud CLI safely from an agent: validate every command against its own help text, cap the output, and refuse the operations that should never run unattended.

Skill: Convex

by Convex

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Convex's official top-level agent skill — routes an agent to the right convex-* skill for the task and to a served capability catalogue that stays current without a reinstall.

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Official Shopify skill for theme development in Liquid — teaches an agent the modern theme architecture of sections, blocks and snippets, and validates generated templates and schemas.

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Shopify's official skill for writing Admin GraphQL queries and mutations — it searches the live API docs and validates every operation against the schema before handing you code.

Planning skill that interrogates your use case before any code is written, then recommends the right Twilio Conversations stack — ConversationRelay, Memory, Intelligence, Orchestrator, TaskRouter — and the implementation skills to follow.

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Skill: fal.ai genmedia CLI

by fal.ai community

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Foundational fal.ai skill that drives the genmedia CLI across 1200+ hosted generative model endpoints — smart routing, schema inspection, async queues and agent-parseable JSON.

Skill: AWS CDK

by Amazon Web Services

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Official AWS skill for authoring, deploying and debugging CDK stacks — construct patterns, bootstrap, drift, resource import and the CloudFormation errors that trap people.

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Run SQL — or a plain-English question — against DuckDB databases, CSV, Parquet, JSON and Excel files, with schema inspection and error recovery built in.

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Skill: Genkit for JavaScript

by Genkit (Google)

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The official Genkit skill for Node.js and TypeScript — flows, Dotprompt files, tools and the beta agent API with sessions, interrupts and branching.

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Skill: Superpowers

by Jesse Vincent

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An agentic software-development methodology: composable skills that push a coding agent through spec, plan, TDD and review instead of straight into code.

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Skill: SkillHone

by Tencent

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Tencent's skill-evolution harness: it rewrites a whole skill folder — SKILL.md, scripts and references together — and lands every decision as a real Git issue, PR and wiki entry you can review.

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Skill: OpenSearch Launchpad

by OpenSearch Project

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Take an OpenSearch search application from requirements to a running cluster — BM25, dense and sparse vectors, hybrid retrieval, agentic search and RAG, with relevance evaluation built in.

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Auth0's official agent skill: a router that detects your framework and intent, then loads the right Auth0 guidance for login, MFA, Organizations, tenant audits, debugging or provider migration.

Skill: Redis Search

by Redis, Inc.

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Redis' own guidance for FT.CREATE schema design, FT.SEARCH / FT.AGGREGATE / FT.HYBRID, HNSW vector similarity and RAG retrieval pipelines.

Skill: Supabase

by Supabase

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Supabase's official skill covering Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron and Queues — with a hard rule to verify against the live changelog before writing code.

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Microsoft's official skill that turns an agent into an Azure solution architect — 10 design principles, 6 architecture styles, 44 design patterns and a Well-Architected review workflow.

Skill: CAD

by earthtojake

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Generates and validates parametric STEP-first CAD parts and assemblies from natural language.

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Deno's official foundational skill — project setup, package choices, configuration, and CLI commands done the current way.

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Build Gradio web UIs and ML demos in Python with the current API — components, layouts, events, and chat interfaces.

Skill: Brainstorming

by Jesse Vincent

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Explore intent, requirements, and design with the user before any code gets written — the antidote to building the wrong thing quickly.

Skill: Big Arrow on the Screen

by Franz Enzenhofer

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macOS CLI plus agent skill that lets Claude Code or Codex draw a big click-through arrow and sign on your screen to show you exactly what to click.

Skill: Replica

by Jake Schincariol

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Eleven free Claude skills that reverse-engineer an app, rebuild it, test it, and fix what its users complain about, through to branding, launch and deploy.

Skill: OpenQodex

by OpenQodex

New

Open source pre-push AI code review for Claude Code and Codex: scanners plus a separate reviewer that verifies every finding.

Skill: Open Code Review

by Alibaba Group

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Alibaba's open-source AI code review CLI as an agent skill: line-level comments on diffs, branches and commits, with optional auto-fix.

ngrok's official skill pack: expose localhost, secure endpoints, receive verified webhooks and run an MCP gateway from your coding agent.

Skill: geo-sleuth

by Oldcircle

Find where a photo was taken: EXIF, OCR, OpenStreetMap, skyline and satellite matching, with coordinates, error radius and evidence images.

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Skill: GoLive

by mikehasa

Open-source agent skill that takes an AI-built app live on your own accounts: hosting, database, domain, email and payments, with a plan-and-approve workflow.

Read-only recipes for the Hugging Face Dataset Viewer API — resolve splits, paginate rows, run text search and row filters, and pull parquet URLs and column statistics.

Fine-tune object detection, image classification and SAM/SAM2 segmentation models on Hugging Face Jobs cloud GPUs, with dataset validation before you spend GPU minutes.

Drives the Senzing MCP server through the real entity-resolution jobs: map a messy CSV to Senzing's format, scaffold SDK code in five languages, decode error codes, migrate V3 to V4.

A protocol for measuring whether agents can discover and use your tool without being told about it — WITH/WITHOUT trials, binary scoring, and lift as the only metric. The subject under test is your docs, not the model.

SerpApi's official skill for structured search: which of 130+ engines to call for citations, local businesses, flights, hotels, shopping or jobs, which response key holds the answer, and the gotchas that silently return the wrong field.

OpenAI's skill for driving Linear through its MCP server: a read-first workflow for issue triage, sprint planning, documentation audits and workload balancing, with the MCP setup and OAuth steps written out.

OpenAI's skill for language- and framework-specific secure coding: detect the stack, load the matching reference guidance, then write secure-by-default code, flag critical issues passively, or produce a prioritised vulnerability report with fixes.

OpenAI's skill for repository-grounded threat modelling: derive trust boundaries, assets and attacker capabilities from the actual code, rank abuse paths by likelihood and impact, and write a reviewable Markdown threat model.

Production review rules for Cloudflare Workers — compatibility dates, observability wiring, and the runtime anti-patterns that only bite at the edge.

Skill: Turnstile Spin

by Cloudflare

Turns “set up Turnstile” into a working end-to-end bot check — widget, frontend snippets, canonical server-side siteverify, and a real validation pass before it reports success.

Cloudflare's routing skill for Next.js on Workers — sends the agent to vinext, the Vite-based Next.js runtime Cloudflare now recommends ahead of OpenNext.

Wire up Cloudflare Email Sending and Email Routing — the send_email binding, the inbound email() handler, and the deliverability setup that keeps mail out of spam.

Skill: Handoff

by Matt Pocock

Compress the current Claude Code session into a portable handoff document so a fresh agent can continue the work without re-reading the whole conversation.

Anthropic's official skill for surfacing matching Claude Academy courses, tutorials and use cases at the end of a how-do-I answer — and staying silent when the match is weak.

Microsoft's official Azure skill for cost work: query historical spend, forecast it, and hunt down waste like orphaned disks and oversized VMs.

Official Datadog skill for investigating one flaky test — pulls its history and failure pattern, categorises the root cause and recommends fixing, quarantining or escalating.

Official Datadog skill that triages a failing PR pipeline, attributing every CI failure as flaky, infra or genuine regression and proposing a targeted fix.

Official Datadog skill for the pup CLI — OAuth2 login with token refresh, plus a command map covering logs, monitors, traces, metrics, incidents, SLOs, on-call, security signals and audit logs.

Grafana's official Alloy skill: write one collector config that carries metrics, logs, traces and profiles, validate it locally, and prove samples are actually leaving the box.

Grafana's official k6 skill: generate a load, stress, spike or soak test from a plain-language brief, then actually run the script before handing it over.

Grafana's official Tempo skill: stand up a tracing backend that needs nothing but object storage, then write TraceQL that finds the slow span instead of scrolling for it.

Grafana's official Loki skill: write LogQL that returns rows instead of timeouts, ship logs through Alloy, and reason about a store that indexes labels rather than log text.

Generates or refreshes an NVIDIA governance skill card for an existing agent skill — discovers assets, renders a deterministic markdown card, and blocks submission while human-review markers remain.

Trains, distils, quantises, evaluates, exports and runs inference for RT-DETR real-time object detection in NVIDIA TAO, routing training through AutoML hyperparameter search by default.

Inspects the host's hardware, OS, CUDA driver and existing tooling, recommends one Holoscan SDK install method with a reason, then hands off to the matching install skill.

Runs NVIDIA's NV-Reason-CXR-3B chest X-ray reasoning model through a documented wrapper, locally on GPU or via the public Hugging Face Space, and returns the model's full reasoning trace as engineering evidence.

Pillar Security's SAIL V2 framework as an agent skill: a 91-risk catalogue across seven lifecycle phases, for AI security gap assessments, roadmaps, and ISO 42001 / EU AI Act compliance checklists.

A single progressive-disclosure skill for production ROS 2 work — rclcpp/rclpy, colcon, QoS and DDS, tf2/URDF, ros2_control, Nav2, MoveIt 2, plus ROS 1 migration and hardware safety gates.

Ten SKILL.md modules that give coding agents real ROS engineering judgement — ROS 1 and ROS 2, design patterns, perception, testing, Docker, bringup and robot security.

Skill: Zeroize Audit

by Trail of Bits

Finds secrets left in memory in C, C++ and Rust — including wipes the compiler deleted — and requires IR or assembly evidence before calling one optimized away.

Audits npm, PyPI and Go dependencies for advisories, abandoned upstreams, publisher concentration and install-time scripts — measured by scripts, not estimated.

Compiles cryptographic code and reads the emitted assembly for variable-time instructions, then triages which flagged operations actually touch secrets.

Skill: Graphify

by Graphify Labs

Claude Code skill that turns any folder of code, docs, papers and images into a queryable knowledge graph, with every edge tagged as extracted, inferred or ambiguous.

Tinybird's own datafile and SQL rules for coding agents — datasources, pipes, endpoints, materialized views, deduplication and query optimisation.

Replicate's official skill for running models via its API — predictions, polling, Prefer: wait, webhooks with signature validation, streaming and file handling.

Composio's official skill for reaching 1,000+ external apps from an agent — CLI-driven actions, Tool Router sessions, per-user auth and trigger events.

VoltAgent's official conventions skill — when to reach for an agent versus a workflow, the expected project layout, and the core snippets for agents, workflows, memory and servers.

How to drive the PlanetScale CLI non-interactively: --format json everywhere, auth check before anything else, pscale sql instead of pscale shell, correct flag placement.

PlanetScale's approval contract for agents: five operation classes that decide what a database agent may do freely, what needs a named approval, and what it must never do alone.

A controlled upgrade path from Inngest SDK v3 to v4 — triggers into createFunction options, EventSchemas to eventType, realtime imports, step.invoke string IDs — with a scan-first, verify-last order.

An evidence-first audit skill: walk an existing TypeScript repo, name the exact call sites where background work can be lost, and land an incremental durability plan.

Seven ways to throttle agent and background workloads — concurrency keys, throttling, rate limiting, debounce, singleton, priority and batching — with a decision guide that picks the right one.

Vercel's official skill for React component architecture — replace boolean prop proliferation with compound components, lifted state and explicit variants. Includes React 19 APIs.

Vercel's official deployment skill — inspects project state, picks the right deploy path, and defaults to preview deployments with a claimable URL when no account is linked.

The Svelte team's own guidance on writing modern Svelte 5 — when to reach for each rune, why effects are an escape hatch, and the reactivity traps models fall into.

The official Svelte team skill that wires an agent to the @sveltejs/mcp CLI for Svelte 5 docs lookup and an autofixer that validates components before you ship them.

Read-only diagnostics for cluster-wide SageMaker HyperPod failures on EKS or Slurm — CloudFormation errors, EFA health checks, lifecycle scripts, capacity, dangling nodes and autoscaler conflicts.

Build multi-step Lambda workflows that survive interruption and run for up to a year — the replay model, step operations, wait/callback patterns, saga-style compensation and local testing.

Skill: EF Core Query Optimization

by .NET Team at Microsoft

Make slow Entity Framework Core queries fast — read the generated SQL first, fix N+1s, cartesian Include explosions and non-sargable predicates, then re-measure one change at a time.

Skill: MSBuild Binlog Failure Analysis

by .NET Team at Microsoft

Diagnose an MSBuild build failure from a .binlog file — query the binary log through a dedicated MCP server instead of grepping console output, with a text-replay fallback.

Picks the right vLLM or SGLang runtime for your Jetson generation and JetPack version, then produces a working OpenAI-compatible serving command.

Brave's official skill for the Brave Search API — ranked web results with snippets and thumbnails, freshness and SafeSearch filters, search operators, pagination, and Goggles for custom ranking.

Supabase's official Postgres skill — eight rule categories ranked by impact, each with wrong-vs-right SQL and EXPLAIN output, for schema, RLS, indexing and query work on Postgres anywhere.

Pydantic's official skill for modelling untrusted data in Python — constraints, model hierarchies, validators and serialisation, plus when not to reach for a BaseModel.

Confluent's official skill for architecting, building and debugging Kafka Streams applications — topology design, join and window selection, and production failure triage.

Skill: VideoDB

by VideoDB

VideoDB's official skill giving an agent one interface to ingest, index, search and edit video — including live RTSP feeds and real-time desktop capture.

TestMu AI's official skill for generating production-grade Playwright suites in TypeScript, JavaScript, Python, Java or C#, locally or on a 3,000-combination browser cloud.

Courier's official skill for building and debugging multi-channel notifications — email, SMS, push, in-app inbox, Slack, Teams and WhatsApp — from one send call.

Audits Core Web Vitals through the Chrome DevTools MCP server — LCP, INP, CLS plus FCP, TBT and Speed Index — and traces each one back to the render-blocking resource or layout shift causing it.

Cloudflare's official skill for designing, configuring and troubleshooting Cloudflare One — Access, Gateway, WARP, Tunnel, DLP, CASB, device posture and identity — with retrieval over recalled docs.

Skill: Apollo MCP Server

by Apollo GraphQL

Sets up Apollo MCP Server so an AI agent can call a GraphQL API as MCP tools — defining tools from named operations, or exposing introspect/search/validate/execute for open-ended schemas.

Walks a coding agent through wiring Agnost AI conversation analytics into a Python or TypeScript app — inspecting existing OpenTelemetry first and only adding an SDK when the traces are not usable.

Trail of Bits' CodeQL skill: build databases, run taint-tracking and data-flow queries across eight languages, and model project-specific sources and sinks.

Sentry's official router skill: detects your language or framework, then loads the matching Sentry SDK setup guide for error monitoring, tracing and session replay.

Trail of Bits' skill for writing production-quality Semgrep rules — pattern design, taint mode for data-flow bugs, and mandatory test-driven validation.

Coinbase's official skill for driving a crypto wallet from an agent: balances and transfers on Base, Polygon and Solana, plus paying for and monetising x402 APIs.

Scaffold authentication in a TypeScript or JavaScript app with Better Auth — the skill detects the framework, ORM and package manager first, then plans before writing code.

OpenAI's skill for debugging failing GitHub Actions checks on a pull request: pull the logs with the gh CLI, summarise the failure, plan the fix, implement only after approval.

Google's official Spanner skill: provision instances, design primary keys that do not hotspot, write SQL and client-library code, and diagnose slow queries — with DDL and DML gated behind your approval.

NVIDIA's official skill for asking a vision-language model fresh questions about recorded video through the Video Search and Summarization blueprint — only when the pixels actually need looking at.

NVIDIA's official skill for building synthetic datasets with NeMo Data Designer — describe the data you want and the agent writes a declarative generation pipeline, column by column.

Reduces accumulated complexity without changing behaviour, using Chesterton's Fence to avoid deleting the thing that was load-bearing.

Sends every non-trivial decision to a fresh-context adversarial reviewer before it stands — for production, security-sensitive or irreversible work.

Sanity's official CMS-agnostic skill for structured content modelling — separation of concerns, references versus embedding, content reuse and taxonomy design, with Sanity-specific notes.

Sanity's official agent skill — schema design, GROQ, TypeGen, Visual Editing, Portable Text, Studio structure, localization, Functions and Blueprints, plus integration guides for eight frontend frameworks.

Convex's official skill for changing the schema of a deployed app without breaking it — add the field optional, backfill with @convex-dev/migrations, verify, then tighten the validator.

Convex's official skill for adding passkey or OAuth authentication to a Convex app — including the auth.config.ts wiring and a headless key-generation path that avoids the interactive wizard.

NVIDIA's official skill for DALI's imperative dynamic-mode API — write GPU data loading as ordinary Python, or migrate an existing pipeline-mode graph across.

NVIDIA's official onboarding skill for CUDA-Q — installs the platform, writes your first quantum kernel, picks a GPU simulator and routes you to real QPU hardware.

Official Shopify skill for building checkout and thank-you page UI extensions — it carries the full extension-target list and validates components against the current UI framework version.

Official Shopify skill for writing Shopify Functions — the sandboxed backend logic behind discounts, cart transforms, delivery and payment customisation, validation and order routing.

NVIDIA's official skill for bringing up Dynamo inference routing — pick a router mode, enable KV-aware routing, and smoke-test the frontend endpoint before claiming anything works.

Google's official Firebase entry-point skill — CLI login, project creation and selection, and programmatic retrieval of google-services.json and GoogleService-Info.plist.

Google's official Cloud SQL skill — create and connect MySQL, PostgreSQL and SQL Server instances with the right gcloud commands, Auth Proxy setup, HA and backup model.

Google's official AlloyDB for PostgreSQL skill — cluster and instance lifecycle from gcloud, plus hard rules on private connectivity, IAM database auth and backup behaviour.

Harden a Twilio integration against credential leaks and fraud — API keys instead of auth tokens, webhook signature validation, geo-permissions, SMS pumping prevention and zero-downtime credential rotation.

The rules that apply to live Twilio traffic — TCPA consent tiers, quiet hours and DNC, GDPR deletion rights, PCI DSS call recording, HIPAA, FDCPA, CAN-SPAM, WhatsApp policy and SHAKEN/STIR — with a consent-management pattern to implement.

Add phone or email verification with Twilio Verify — send and check one-time passcodes over SMS, voice, email or WhatsApp, with built-in expiry, rate limiting and Fraud Guard rather than hand-rolled OTP plumbing.

Build real-time AI voice agents on Twilio ConversationRelay — TwiML setup, the WebSocket message types, streaming LLM responses back for playback, and the voice-provider configuration that goes with them.

HashiCorp's official Packer skill for building Amazon Machine Images with the amazon-ebs builder, covering template structure, plugin pinning and the cost and timing caveats.

Databricks' official entry-point agent skill: CLI authentication, profile and workspace selection, asset bundles, and routing to the right product skill for the task.

HashiCorp's official skill for writing Terraform that matches the published style guide — file layout, naming, variable validation and secure-by-default resources.

The .NET team's official skill for capturing crash dumps from CoreCLR and NativeAOT apps on Linux, macOS, Windows and inside containers — collection only, no analysis.

Google's official Cloud Run skill — deploy services, jobs and worker pools correctly, with the IAM roles, port contract and gotchas that break first deployments.

Google's official BigQuery skill — datasets, tables, jobs and SQL from the bq CLI, plus the reference set for IAM, Terraform, change history and continuous queries.

MongoDB's official data-modelling skill — embed-vs-reference decisions, relationship patterns and the anti-patterns that quietly wreck performance and cost.

Deploy, configure and troubleshoot the NVIDIA RAG Blueprint from your agent — Docker Compose, Helm or library, with feature toggles for VLM, guardrails and agentic RAG.

Skill: Design Harness

by tigerless-labs

A decision board for contested calls: feed your agent papers and half-formed ideas, and it files them into a traceable sources → ideas → output structure you can defend, with a visual canvas over the markdown.

A meta-skill that spots the moment your agent has just earned a hard-won golden path and writes it down as a reusable skill, so the next session starts already knowing the route.

Provision and deploy to Aiven for OpenSearch from an agent — managed clusters on AWS, GCP, Azure, DigitalOcean or UpCloud, with the Aiven-generated password read back after provisioning.

Skill: OpenSearch Trace Analytics

by OpenSearch Project

Investigate OpenTelemetry traces stored in OpenSearch — slow and error spans, reconstructed trace trees, service maps, plus agent invocation and token-usage analysis.

Skill: OpenSearch Log Analytics

by OpenSearch Project

Query and analyse logs held in OpenSearch using PPL and Query DSL — error-pattern discovery, error-rate tracking and anomaly detection, driven from natural language.

Answer "who changed what" from Datadog Audit Trail — configuration-change forensics, API key compromise, cost-spike root cause, SOC 2/PCI evidence and AI activity audits.

Install, instrument and analyse Datadog APM from an agent — Kubernetes and Linux Single-Step Instrumentation, service remapping, trace search and service maps.

Search Datadog logs from an agent and keep the bill under control — query syntax, exclusion filters, log-based metrics, archives and PII scrubbing.

Create and audit Datadog monitors from an agent via the pup CLI — with alerting rules that stop the usual flapping, unscoped and unowned monitors.

ClickHouse's official agent skill: 31 rules for primary keys, data types, JOINs, batching and partitioning that an agent must check and cite before advising on a schema or query.

Neon's official agent skill for serverless Postgres — connection strings and drivers, pooled vs direct connections, branching, autoscaling, scale-to-zero, read replicas and logical replication.

Netlify's official deploy skill: netlify.toml deploy contexts and their precedence, CLI and drag-and-drop deploys, Deploy Previews, build hooks, skew protection, and secrets-scanning build failures.

Stripe's official agent skill for choosing the right payments primitive — Checkout vs PaymentIntents, Connect, Billing, Tax — and for handling API keys and webhooks safely.

Elastic's official skill for writing and running ES|QL - the piped Elasticsearch query language - covering schema discovery, query patterns, error handling and result formats.

Clerk's official skill for advanced Next.js auth: middleware strategy, protecting Server Actions, caching-safe auth() usage, session tokens and manual JWT verification.

Prisma's official skill for migrating an ORM project from v6 to v7 - the prisma-client generator, driver adapters, prisma.config.ts, ESM entrypoints and every removed API.

Vercel Engineering's React and Next.js performance playbook as an agent skill — 70 rules across 8 categories, ordered by impact, for writing and refactoring fast components.

Integrate Firecrawl's /scrape endpoint into product code — turn a known URL into markdown, HTML, links, metadata or screenshots, with sensible defaults baked in.

Skill: Cypress Author

by Cypress.io

Cypress' official skill for writing, updating and repairing E2E and component tests — and it triggers on "write tests" even when nobody says Cypress.

Skill: Angular Developer

by Angular (Google)

Angular's official skill for generating idiomatic modern Angular — signals, resource and httpResource, forms, DI, routing, SSR, ARIA and CLI scaffolding.

Qdrant's meta-skill: instead of shipping static docs, it loads the current official Qdrant skill tree live from skills.qdrant.tech and diagnoses from that.

MongoDB's official skill for choosing between Atlas Search, Vector Search and Hybrid Search, then building the right indexes and queries for the use case.

Skill: Apollo Connectors

by Apollo GraphQL

Apollo's official skill for wrapping REST APIs into a GraphQL supergraph with @source and @connect directives — no resolvers, with compose, run and test steps enforced.

File-based planning for long-running agent tasks — crash-proof markdown plans that survive /clear and compaction, with per-turn re-injection and a deterministic completion gate.

Microsoft's official skill for giving AI agents real OAuth2 identities in Entra — blueprints, agent identities, sponsors, workload identity federation and the auth sidecar.

Google's official skill for calling Gemini on Agent Platform (formerly Vertex AI) with the Gen AI SDK — Python, JS/TS, Go, Java and C#, plus tools, multimodal input and the Live API.

Google's official skill for getting Google Cloud authentication right — human identities, service accounts, Application Default Credentials, and the failure modes agents usually hit.

PostHog's official skill for auditing a live analytics implementation — scripts, network calls, and window state — read-only, via browser automation.

Grafana's official PromQL skill: write, validate, and optimise Prometheus queries, and hunt down the label that blew up your cardinality.

Deploy Deno applications to production on Deno Deploy — CLI workflows, environment config, KV, and custom domains.

Skill: Transformers.js

by Hugging Face

Run machine learning models directly in the browser or Node with Transformers.js — no inference server required.

Skill: Hugging Face CLI

by Hugging Face

Hugging Face's official CLI skill — download, upload, and manage models, datasets, Spaces, and Jobs from the terminal.

Skill: Wrangler CLI

by Cloudflare

Cloudflare's CLI reference skill — correct Wrangler commands for deploying and managing Workers and every binding.

Skill: Writing Skills

by Jesse Vincent

Create, edit, and verify agent skills — including how to write a description that actually triggers at the right moment.

Vercel's official optimization skill: collects real production metrics first, then returns ranked, citation-checked cost and performance fixes.

Interact with and test local web applications using Playwright — verify frontend behavior, debug UI, capture screenshots, and read browser logs.

Skill: MCP Builder

by Anthropic

Anthropic's guide for building high-quality MCP servers end to end — research, tool design, implementation in TypeScript or Python, testing, and a 10-question evaluation suite.

Authoritative reference for the Claude API and Anthropic SDKs — model IDs, pricing, parameters, streaming, tool use, MCP, agents, prompt caching, and token counting.

Create, edit, and optimize Agent Skills — scaffold new skills, refine existing ones, run evals, and tune descriptions for reliable triggering.