Tools

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.

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.

Lets agents read and write Things 3 on the Mac (Inbox, Today, projects and tags), turning action items from a chat into tasks or walking you through a weekly review. Needs Things 3 (paid) with Things URLs enabled in settings, plus uv.

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.

SEO CLI and MCP server for agents: crawls your site for technical issues, uses Search Console data to rank fixes, and compares before and after. Needs Node.js 22+ and Google sign-in; keyword and competitor research needs paid data (DataForSEO, Semrush or Ahrefs).

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.

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.

Eight workflow skills for designers prototyping with AI: requirements interviews, briefs, information architecture, design tokens, task breakdown, UI in a chosen aesthetic and design review, chained by design-flow. Outputs go to .design in the project. For Claude Code, Cursor or Codex.

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 Sleek skill: lets agents design mobile app screens in Sleek, manage projects and take preview screenshots, then pull the design HTML and implement it in React Native or SwiftUI. Needs a Sleek account and API key; free accounts get one trial run, ongoing use needs a paid Pro plan.

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.

Open-source meeting connector that lets agents join Zoom, Teams or Google Meet as a participant, read the live transcript, chat and attendee list, and speak, e.g. to take meeting notes. Runs locally in Docker (image about 2.3 GB); transcription is local by default.

Postiz's official agent CLI: lets AI schedule posts to 28+ platforms such as X, LinkedIn, Instagram, TikTok and YouTube, upload images and video, and check post and account engagement. Ships with skills and a Claude Code plugin. Needs Node.js and a Postiz account (cloud or self-hosted).

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.

OpenAI's official sales plugin for Codex: meeting prep, call notes into follow-up emails and CRM updates, weekly account priorities, forecast reviews, deal strategy and competitor briefs. Works on pasted material; a template, so swap in connector IDs before using Salesforce or HubSpot.

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.

Todoist's official MCP: lets agents find, create, update and complete tasks and projects and view to-dos by date. Use the hosted remote server with OAuth sign-in, or embed it as a tool library in your own AI app.

Searches Airbnb listings and fetches details: filter by location, dates, guests, price and property type, and get amenities, house rules, location and direct links. No API key; runs locally via npx and respects robots.txt by default.

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.