Tools

Distills technical books, doc folders or paper collections (PDF, EPUB, DOCX, Markdown and more) into an agent skill with a core framework, on-demand chapter files, glossary and cheat sheet for lookup while working. Extraction needs local Python; poppler or docling optional for PDFs.

Official CLI for Tencent's open-source knowledge base platform WeKnora: upload documents, manage knowledge bases, run hybrid search and answer questions from them, or serve as a read-only MCP. Needs your own WeKnora deployment and a source build with Go 1.26+.

Lets agents create and edit draw.io diagrams such as flowcharts and architecture diagrams in plain language, with live browser preview, version history and export to .drawio, PNG or SVG. Includes an embedded server; runs locally with no API key.

Claude Code plugin for Next AI Draw.io that starts its Draw.io MCP server via npx. Generate and edit flowcharts, architecture and sequence diagrams in plain language, with live browser preview, version history and .drawio export. Needs Node.js.

Command runner that saves and runs project commands in a justfile, with make-inspired but simpler syntax. Agents can use just --list to discover a project's build, test and deploy commands and run them directly.

Lightweight command-line JSON processor that slices, filters, maps and transforms JSON with concise expressions and no runtime dependencies. A staple for agents parsing API responses and logs.

Polyglot dev environment manager: declare Node, Python, Go and other tool versions, environment variables and project tasks in mise.toml; mise exec and mise run install tools on demand and run them, with one config shared by local and CI.

Terminal multiplexer written in Rust, an alternative to tmux, with layout files, floating and stacked panes, WebAssembly plugins and a built-in web client. Handy for running several agent sessions at once.

Marketing plugin: drafts blog, social, email and landing page content, plans campaigns, reviews copy against your brand voice, and produces competitive briefs, SEO audits and channel performance reports. Official from Anthropic.

Data analysis plugin: writes queries in each SQL dialect, explores datasets, runs statistical tests, charts with Python and builds interactive HTML dashboards, then reviews methods and conclusions before sharing. Connects to Snowflake, BigQuery and other warehouses. Official from Anthropic.

Anthropic's official plugin that opens PDFs in a local interactive viewer where Claude proposes highlights, comments and approval stamps in batches, walks you through form filling, places signature images and exports an annotated copy. Needs Node.js 18+; signatures are not digital certificates.

Anthropic's official data skill that guides agents to write, translate and optimize SQL across Snowflake, BigQuery, Databricks, PostgreSQL and other warehouse dialects, including CTEs, window functions and analytical aggregations.

All-in-one plugin for small business owners: 44 skills covering cash flow and bookkeeping, collections and taxes, customer acquisition and marketing, customer feedback, inventory, hiring and contract review. Anything touching money or customers needs your approval. Official from Anthropic.

For preclinical life sciences research: bundles MCP connectors for PubMed, bioRxiv, ChEMBL, Open Targets, ClinicalTrials and more, plus analysis skills for single-cell RNA QC, scvi-tools and nf-core pipelines. Official from Anthropic; some data sources need accounts.

Anthropic's official small-business skill for bills: reads vendor, amount and due date from email, PDFs or photos, dedupes, codes to accounts, matches POs and drafts a payment plan. Posting and paying each need approval; it never auto-pays. Works with QuickBooks, Xero, NetSuite or file export.

Support for small merchants: reads customer emails, checks orders and refunds in Stripe, PayPal, Square or Shopify, and drafts replies in the owner's voice per your refund policy; can refund via Stripe or Square after explicit approval. Works with pasted emails too. Official from Anthropic.

Prepares structured briefs for meetings with legal stakes, such as contract negotiations, board meetings, compliance reviews or litigation: attendees and agenda, related agreements and open issues, negotiation points, and post-meeting action items. From Anthropic's legal plugin; verify the brief.

Compliance skill from Anthropic's official operations plugin: maps controls, owners and evidence for SOC 2, ISO 27001, GDPR, HIPAA and PCI DSS, schedules audits, runs gap analyses, and outputs audit-readiness checklists and evidence collection plans. Have legal or compliance experts review.

Generates project or team status reports with an executive summary, overall red/yellow/green status, key metrics, risks and open decisions, turning scattered project tool activity into a report for leadership. From Anthropic's official operations plugin.

Pre-signature check for final contracts: open redlines, missing exhibits, party names and signature blocks, then sets up sequential or parallel signing. Sends via DocuSign or similar e-signature services when connected, otherwise writes signing instructions. From Anthropic's legal plugin.

Anthropic's official knowledge work plugin: one question searches your connected chat, email, cloud docs, wiki and project tools at once and returns a sourced answer; can also produce daily or weekly digests. Preset MCP connectors for Slack, Notion, Atlassian, Asana and more, each needing auth.

Turns processes that live in people's heads into SOPs: flowcharts, a RACI matrix (responsible, accountable, consulted, informed), detailed steps and exceptions, ready for handoffs, audits and onboarding. Describe the process or paste existing notes. Official from Anthropic.

Designs multi-email marketing sequences for onboarding, lead nurturing, win-back and launches, with full copy for each email, timing, branches and exit conditions, benchmarks and A/B test ideas. No email tool required. Part of Anthropic's official marketing plugin.

Collects reviews and complaints from Google, Yelp, Facebook and more, groups them by theme with quotes, and drafts replies in the owner's voice that post only after approval; also finds lapsed customers and drafts win-back messages. Official Anthropic small-business plugin.