Herramientas

Resend's official email CLI: send email and manage domains, API keys, contacts, broadcasts and webhooks, with automatic JSON output outside a terminal and a bundled agent skill. Needs a Resend API key; a free plan is available.

One learn-faster command turns Claude Code into a learning coach: builds a syllabus for your level, schedules spaced review, sets exercises and tracks progress, with an exam-prep mode. Needs uv and Claude Code; Codex: run learn-faster init --agent codex (lighter onboarding).

Three skills for US utility patents: audit a draft against a 316-item checklist before filing, have a subagent play a USPTO examiner to simulate prosecution, then test design-arounds from a competitor's view. Needs Python 3; not legal advice, so have a patent attorney or agent review.

Official Databricks plugin with skills for the CLI and auth, Genie data queries, Apps, Lakebase, Lakeflow jobs and pipelines, Model Serving and DABs deployment, plus hooks for prompt routing, session context and auth failure hints. Needs a Databricks account.

Official Databricks skills guiding agents to build Lakeflow pipelines and jobs, Apps, Lakebase, Vector Search, Model Serving and AI/BI dashboards on the lakehouse. Needs the Databricks CLI.

Queries SEC EDGAR 10-K, 10-Q and 8-K filings, XBRL financial statements and insider trades, with links to the source documents for checking; for investment research and compliance due diligence. Free, no API key; needs uv and a SEC_EDGAR_USER_AGENT with your name and email.

Describe the video you want and the agent builds a reproducible edit project: footage, storyboard, bilingual subtitles, transitions, intro and outro, rendering and QA. Needs Node.js and ffmpeg; AI voice and assets need ListenHub. Science mode uses the author's voice and outro by default.

59 clinical research skills from a radiologist at Korea's Asan Medical Center: study design and sample size, de-identification, statistical figures, 49 reporting guidelines, risk-of-bias checks, citation verification and reviewer replies. Literature APIs need no key. Medical review required.

Manage Anki cards from the command line: add notes in bulk from Markdown and list or review cards by query, without Anki running. Needs an existing local Anki database and profile; not an official Anki project.

Socratic teaching skill: when your message includes Socrates or socratic, the agent reads the code, docs or PDF you provide and guides you to the answer through layered questions instead of giving it away. Good for tutoring and self-study; prompt-only, nothing else needed.

Official MCP for Plane, the open-source project management tool: lets agents read and manage projects, work items, cycles, modules and releases, with PQL queries. Use the hosted server with OAuth, or run locally via uvx with an API key; works with self-hosted Plane.

Leads a visible, verified code walkthrough in Neovim: confirms real behavior by running code, then authors one immutable Navi tour with short notes the viewer steps through, optionally recorded with OBS. Requires Terminal Control (termctrl), Neovim 0.10+ and navi.nvim.

Opinionated guide to production TypeScript with Effect v4: Effect.gen workflows, Context.Service and Layer services, Schema models and typed errors, Config, Schedule retries, Cache, Stream, HttpClient and deterministic tests, plus patterns to avoid. Requires Effect v4.

Free remote MCP for Taiwan law (no sign-up or key): semantic search over 22M+ court rulings and administrative interpretations, exact statute lookup, and rulings linked across court levels with a citation whitelist to catch fake cites. Browser authorization on first use; have a lawyer review.

Railway's official plugin, bundling the use-railway skill and hosted Railway MCP so agents can create projects, deploy services, set environment variables and databases, and check logs and metrics to debug deployments. Needs a Railway account.

IELTS prep coach with four skills: a level check with practice advice, essay marking and rewrites on the four criteria, reading mistakes and paraphrase breakdowns, and Speaking Part 2 stories with Part 3 prep. Prompt-only, no API key; no saved history, and scores are AI estimates.

Has the agent use the @sveltejs/mcp CLI via npx whenever it creates, edits or analyzes Svelte components or modules: list and fetch Svelte 5 and SvelteKit docs sections, and run svelte-autofixer to catch issues and validate every component before finishing. Official Svelte skill.

ComfyUI's official MCP: lets agents drive local ComfyUI image and video workflows, list installed nodes, models and templates, submit jobs and fetch results, and start or stop ComfyUI. Needs a machine that can run ComfyUI (usually a GPU) and comfy-cli; partner models consume Comfy credits.

Local image processing MCP: crop, resize, rotate, add text and watermarks, blur, remove backgrounds, detect objects and extract text with OCR, with no images uploaded anywhere; handy for photos, scans and course visuals. Needs Python 3.10 and pipx; first install downloads detection models.

Vercel's official plugin: a knowledge graph of the Vercel ecosystem, dozens of skills, expert subagents for deployment and performance, and commands for deploys, env vars and project status, covering Next.js, the AI SDK, storage and CI/CD. Needs Node.js 18+ and Bun; telemetry is opt-out.

QuantConnect's official CLI drives the open-source LEAN engine locally or in the cloud to download data, backtest and optimize quant strategies and deploy them live. Requires a paid-tier QuantConnect organization; strategies in Python or C#; local runs need Docker. Get expert review.

Postman's official MCP server: lets agents manage workspaces, collections, environments and API specs, help with API testing and generate client code from API definitions. The remote version uses OAuth; the local version needs a Postman API key.

Official Readwise skills: triage your Reader queue, skim feeds, quiz you on what you just read, and draft book reviews and reading recaps from your highlights. Needs a Readwise subscription (30-day free trial) and the Readwise MCP or CLI installed first.

MCP for the Canvas LMS: teachers can have agents bulk-grade, manage assignments and modules, post announcements and nudge students with missing work; students can check deadlines and grades. Needs a Canvas API token; one-click extension for Claude Desktop, Python 3.11+ elsewhere.