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Resend's official MCP: lets agents send and receive email and manage contacts, broadcasts and sending domains. Use the hosted remote server with OAuth sign-in, or run the npm package locally with a Resend API key.

Scores resumes line by line against a role's must-haves, nice-to-haves and dealbreakers, noting strengths, concerns and interview follow-ups, and can tier and rank a batch of applicants. No account needed; treat scores as a first pass and keep hiring decisions human and fair.

130+ office skills for contract review, NDAs, job descriptions, offer letters, invoices and expenses, meeting notes, email, and Excel, PowerPoint and PDF work. Writing skills work as-is; Airtable, Slack and other automations need those services. Legal and finance output needs expert review.

Reviews employment agreements, NDAs, service agreements and other common contracts: flags risky clauses (unlimited liability, unilateral termination, auto-renewal), checks for missing terms and suggests edits to negotiate. US, EU, UK and China law. No account; have a lawyer review.

Drafts a formal offer letter from name, role, start date, pay, employment type and manager, with optional equity, bonus, benefits and background check terms. No account needed; follows US conventions (401(k), at-will), so have HR or legal review it before sending.

Builds a linked three-statement forecast (income statement, balance sheet, cash flow) from 2-3 years of financials and assumptions like growth and gross margin, with base, bull and bear cases, for budgeting and fundraising. Prompt-only; outputs Markdown tables. Have finance review it.

Official ClickHouse skills: best practices for schema design, primary keys, JOINs and inserts ranked by impact, advice on real-time architecture decisions, in-process SQL and pandas-compatible analysis with chDB, and local and cloud deployment workflows.

Official ElevenLabs skills: text to speech, speech to text, sound effects and music generation, voice changing, vocal isolation, multilingual dubbing and building voice agents. Needs an ElevenLabs API key.

MCP server for the Lean 4 theorem prover: lets agents read proof goals, diagnostics and definitions and search theorems via LeanSearch and Loogle, helping mathematicians and students with formal proofs. Needs uv and the Lean toolchain; run it from the Lean project root.

68 trading and quant skills focused on crypto and DeFi: market and on-chain data, technical indicators, backtesting, position sizing and risk, prediction markets, and tax tools for cost basis and wash sales. Most need Python and data API keys (often free tiers); get expert review.

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.

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.

Open-source European e-invoicing tool whose CLI validates, extracts and creates ZUGFeRD, Factur-X and XRechnung invoices (PDF or XML) and renders XML invoices as readable HTML or PDF, for EU invoicing compliance. Needs Java; download the Mustang-CLI jar from the project site.

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.

Official Zhipu skill that uses the GLM-V multimodal model to read resumes in bulk, judge each against your criteria (e.g. 3+ years of experience) with reasons, and output a comparison table. Needs a Zhipu API key and Python; resumes can be URLs (PDF, Word, TXT) or local PDFs (needs PyMuPDF).

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.

Writes in-depth stock reports and earnings reviews: nine chapters on business, competition, governance, earnings quality and valuation, with DCF and EPV recomputed by script and key figures sourced. PDF output; US, Hong Kong and A-shares. Needs web access and Python; get expert review.

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.