Herramientas

Firecrawl's official CLI: scrape, search, map and crawl sites and interact with pages in a browser from the terminal, with Markdown output; can also install companion skills for coding agents. Needs a Firecrawl account or API key, or point it at a self-hosted instance.

Compares two versions of a LaTeX manuscript and produces a .tex that marks additions and deletions in color and strikethrough; compile it for a tracked-changes PDF to show reviewers, or diff versions from Git history. Ships with TeX Live and MiKTeX; needs Perl.

Searches about 30 biomedical sources, including PubMed, ClinicalTrials.gov, ClinVar and OncoKB, with one command syntax, covering literature, clinical trials, genetic variants, drugs and pathways. Ships as both a CLI and an MCP server.

Manage Postgres databases on Neon in natural language: create projects and branches, run SQL, and use branches for migrations and query tuning. Remote server hosted by Neon with OAuth or API key auth and a read-only mode; Neon recommends it for development only.

Turns web pages, long PDFs, Word files, images or code into tutor-style study notes: Markdown notes plus searchable HTML knowledge cards with concept breakdowns and mind maps. Needs Python 3.8+, plus Chrome for some sites; the optional tutor chat needs an OpenAI-compatible API key.

Generates flowcharts, sequence diagrams, class diagrams and other charts from Mermaid syntax with configurable theme and background, exporting SVG or PNG files or a mermaid.ink share link. Validates syntax so the model can fix errors over several turns.

PubMed plugin from Anthropic's life sciences marketplace: connects to the US National Library of Medicine's remote MCP to search biomedical literature and research papers. No account needed.

Official BioRender plugin in Anthropic's life sciences marketplace: connects Claude Code to BioRender's scientific icons, templates and figures to find assets and make paper figures, lecture slides and talk graphics. Needs a free BioRender account; authorize it in /plugin after installing.

Anthropic's official life sciences plugin marketplace: install MCP plugins such as PubMed, BioRender, Synapse, ChEMBL and 10x Genomics, plus research skills for single-cell RNA QC, Nextflow pipelines and scvi-tools. Some data sources need an account or subscription.

Anthropic's official research skill built on Fischbach and Walsh's problem-selection framework (Cell): a conversational guide to refining project ideas, assessing risk and success criteria, unblocking stalled research and choosing directions. No setup or account needed.

Plugin from Wiley in Anthropic's life sciences marketplace: connects the Scholar Gateway remote MCP for semantic search across Wiley's peer-reviewed journals, with answers carrying checkable citations and DOI links. Good for literature reviews. Needs a free Scholar Gateway account.

Redis's official MCP server: read and write strings, hashes, lists, streams, JSON and other data structures in natural language, with vector indexing and search and pub/sub. Bring your own Redis instance; runs via uvx.

Lets agents deploy a local folder or file contents straight to Google Cloud Run, list services and view their details and logs, and list or create GCP projects. Maintained by Google; sign in with gcloud and set up Application Default Credentials first.

Shopify's official agent plugin: searches Shopify docs and API schemas, validates GraphQL, Liquid and UI extension code, and can manage stores through the Shopify CLI. Sends usage telemetry by default; it can be turned off.

Railway's official CLI: deploy with railway up and manage infrastructure config, with token auth for non-interactive CI runs. The installer can set up the Railway skill and MCP for Claude Code, Codex and others in one step. Needs a Railway account.

Official Docker skills: containerize projects, optimize and harden Dockerfile builds, orchestrate with Compose, use Docker Sandboxes and Docker Agent, with confirmation guardrails before deletes and other destructive actions.

Turns Strunk's The Elements of Style (1918) into a writing skill so agents write docs, commit messages and error messages clearly and concisely. The full text (about 12k tokens) loads only when needed. By the author of Superpowers.

Lets agents read dbt project models, lineage and Semantic Layer metrics, run build, run and test commands, and call the dbt platform Discovery and Admin APIs. Maintained by dbt Labs; Semantic Layer and platform tools need a dbt platform account.

DAIR.AI learning plugin that turns YouTube lectures and talks into local study material: extracts slide frames, builds timestamped transcripts, and lets you take notes and review in a bundled web viewer. Needs Python, yt-dlp and ffmpeg.

Official DuckDB skills: query local or S3 CSV, Parquet, Excel and JSON files with SQL or plain language, attach databases, convert formats, analyze spatial data and look up documentation. Needs the DuckDB CLI; tested only on macOS and Linux.

Elastic's official skills teaching agents to use Elasticsearch and Kibana correctly: index design, ES|QL queries, search relevance tuning, dashboards, observability troubleshooting and security alert triage. Currently a technical preview.

Chroma's official MCP: lets agents create and manage collections, add documents, and retrieve them with vector search, full-text search and metadata filters. Connects to in-memory or local persistent stores, self-hosted instances or Chroma Cloud.

Official FSFE command-line tool that checks every file in a project for copyright and license information per the REUSE spec, adds headers in bulk, downloads license texts and generates an SPDX bill of materials. Needs Python; have legal review the results.

33 cognitive-science-based tutoring skills for K-12 math and science, exam prep, university subjects, academic writing and job interviews, using Socratic questions and spaced review rather than giving answers. In Chinese and English; copy the skills folder into your agent manually.