Herramientas

Third-party LSP plugin marketplace with 30+ language server plugins, including TypeScript, Python, Rust, Go, Java, C/C++, Vue, Svelte, Elixir and Haskell, covering more languages than the official set. Requires Claude Code 2.1.50+; install the language servers yourself.

Official MCP and skills from freee, Japan's cloud accounting service: accounting, invoices, HR and payroll, timesheets, fixed assets and tax filings. Remote server with freee OAuth recommended; freee Sign e-contracts are local-only for now. Have an accountant check results.

Adds /learn commands to 30+ agents including Claude Code, Codex and Cursor: knowledge maps, layered Socratic explanations, quizzes and spaced review, with a visual learning dashboard. Geared to self-study of programming and other technical topics; needs Node.js 20+.

Official Firebase skills: CLI and project setup, Authentication, Firestore, Hosting and App Hosting, Data Connect, Remote Config, Crashlytics, AI Logic, and writing and auditing security rules. Most use the Firebase CLI and need a Firebase project.

Official Firebase skill: install and sign in to the Firebase CLI, create and switch projects, download app config files such as google-services.json, and set up the other Firebase skills for Auth, Firestore, Hosting and more.

Contract review skill built on the 41 risk categories of the CUAD dataset, covering NDAs, SaaS and M&A deals: rates risk from your side's position, benchmarks terms against market norms for negotiating room, and proposes drop-in redlines. Install by git cloning into your skills folder.

Notion's official Claude Code plugin: bundles Notion's hosted MCP with four Cookbook skills (knowledge capture, meeting prep, research write-ups, spec to implementation) and slash commands for searching, creating pages, querying databases and creating tasks. OAuth sign-in.

Semantic search over past Claude Code, Codex and other agent sessions: indexes each conversation when it ends and recalls past discussions, decisions and trade-offs via MCP tools and a subagent. Embedding and search run locally. By the author of Superpowers.

Official Tavily skills: let agents search the web, extract page content, discover site URLs, crawl in bulk and run cited deep research through the Tavily CLI (tvly). Install the CLI first; search and extract have a limited no-login tier, other features need sign-in or an API key.

Lets agents work with Salesforce orgs authorized on your machine: SOQL queries, metadata deploy and retrieve, Apex test runs and permission set assignment, plus toolsets for LWC development. Maintained by Salesforce; authorize your org with the Salesforce CLI first.

MCP for an open-source tax guide library: when answering income tax, VAT and payroll tax questions, agents cite up-to-date guides covering 200+ jurisdictions, some reviewed by named licensed accountants. Hosted, no install. Reference only; check with an accountant before filing.

Open-source accounting for Swedish sole traders and limited companies: 150+ MCP tools let AI categorize bank transactions, draft entries, reconcile and prepare VAT, payroll and year-end filings, all writes needing your approval. Hosted (OAuth) or self-hosted; accountant review advised.

Product decision skills built on the Advanced JTBD method: market and segment research, value propositions, PRDs, launch copy and growth plans, and customer interview analysis. Install into your project with the repo's one-line script; outputs are hypotheses to test, not conclusions.

Astronomer's official data engineering plugin: write Airflow DAGs to best practices, debug pipeline failures, trace data lineage, profile warehouse tables and migrate from Airflow 2 to 3, with a built-in Airflow MCP server and session hooks.

Research guardrails for PhD students: reproduce arXiv papers, debug training anomalies with evidence, compare runs at matched epochs, check paper-code consistency, verify BibTeX, find literature gaps and predict reviewer comments. No MCP or extra dependencies; mostly for ML research.

Zapier's official plugin: connects 9,000+ apps through the hosted Zapier MCP so you can send email, book meetings, update sheets, create tickets and trigger workflows in plain language. Includes onboarding and health-check skills. Needs a Zapier account.

Manages Outlook mail, calendar, folders and inbox rules through Microsoft Graph, uploads, searches and shares OneDrive files, and can trigger Power Automate flows. Register an Azure app for a client ID and secret, clone and run it with Node.js, and sign in via the auth server on first use.

Typed as /bro, has the agent re-explain its previous reply in plain, casual language without answering anything new or calling tools, keeping paths, commands and numbers verbatim and replying in the original language.

Lets agents read and write QuickBooks Online customers, invoices, bills, journal entries and more, and generate balance sheets, P&L and cash flow reports. Official from Intuit; register a developer app for OAuth, then build from source and run locally.

Deploys HTML or full-stack projects generated by agents to Tencent Cloud EdgeOne Makers and returns a public URL; supports both the international and China sites. Maintained by Tencent Cloud EdgeOne (formerly EdgeOne Pages MCP); sign in via browser or set an API token.

MCP module of MintHCM, an open-source self-hosted HR system: lets agents query, count and edit employee, recruiting, onboarding, offboarding, attendance, leave and performance records and run reports, keeping data on your server. Deploy MintHCM first; sign in via browser on first connect.

monday.com's official CRM plugin: build a sales pipeline from scratch in plain language, get a daily prioritized deal brief, create forecast dashboards, turn meeting notes into deal updates, and bulk-clean duplicate and bad data. Free plan supported; browser authorization on first use.

monday.com's official MCP: lets agents read and write boards, items, groups and columns, create forms, and call the full API through a dynamic GraphQL tool. The hosted server with OAuth is recommended; running locally needs an API token.

Give it a folder of resumes (PDF, Word or text) and a job description: it scores each against the requirements citing resume text as evidence, then gives a tiered shortlist, advance or decline email drafts and interview questions. Never sends; ignores protected traits. For Claude Cowork and Code.