Tools

Local model gateway that routes requests from Claude Code, Codex and other coding agents to providers like DeepSeek, Kimi, Gemini and OpenRouter, with failover, rule-based routing and request logs. Bring your own API keys.

Trading research agent from HKU's HKUDS whose MCP server offers 70+ tools for quotes, financials, backtesting and research across A-shares, Hong Kong and US stocks and crypto. Needs local Python; HK, US and crypto research need no API key. For research only; not investment advice.

Alibaba's open-source Java production diagnostics tool: inspect method arguments and timing, threads and GC, class loading and decompiled code, and generate flame graphs without changing code or restarting the JVM. Supports JDK 8+ via an interactive CLI.

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.

HashiCorp's secrets management system: the vault CLI reads and writes secrets, issues dynamic database and cloud credentials on demand, encrypts and decrypts data, and manages leases and revocation. Needs a reachable Vault server.

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.

Community-maintained cybersecurity skill library: 800+ skills across 34 domains including threat hunting, incident forensics, penetration testing and cloud security, mapped to MITRE ATT&CK and NIST CSF. Not by Anthropic; offensive skills are for authorized testing only.

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.

Competitive analysis skill from Anthropic's official marketing plugin: researches competitor websites, pricing, recent news and content strategy, compares positioning and messaging, and lists content gaps, opportunities and threats; can also produce sales battlecards. Needs web search.

Writes competitive briefs on one or more competitors or a feature area: researches websites, pricing and reviews online, then compares features, pricing, positioning and go-to-market for prioritization, sales battlecards or board decks. From Anthropic's product-management plugin.

Common Room's official plugin: researches accounts and contacts using product usage, community and buying-intent signals, builds pre-meeting briefs and weekly call prep, drafts email, LinkedIn and phone outreach, and creates account plans. Needs a Common Room account.

Apollo.io's official plugin: describe your ideal customer profile in plain language to find prospects, enrich contacts with emails, phone numbers and company data, and bulk-add them to outreach sequences. Connects to Apollo's remote MCP; needs an Apollo account, and enrichment uses credits.

Lists renewals coming up in the next few months, flags churn risk and expansion opportunities from signals like usage, key contact changes and open complaints, and checks for missing or wrong renewal opportunities in the CRM. Needs a CRM or uploaded contract exports. Official from Anthropic.

Account research skill from Anthropic's official sales plugin: give a company name or domain (and optionally a contact) to get a company overview, recent news and likely priorities, an ICP fit check and existing CRM records. Without a CRM it uses uploaded lists or web search.

Outreach skill from Anthropic's official sales plugin: uses account research and past emails to write personalized prospecting emails or multi-touch follow-up sequences, saved as drafts for your review. Works best with email and CRM connected; otherwise returns copy-ready text.

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.