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Skills, MCP servers, prompts, assistants and connectors. Every listing shows its author, version and the permissions it needs.
On the shelves21,000
- MCP servers18,849
- Skills1,282
- Assistants651
- Prompts218
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WritingSpecialist assistants, also called subagents. Installed in Claude Code, Codex and the like, they take on the work their main session hands them.
- Math proof worker deepanthropics· math-proof 38kThe higher-effort math-proof worker, used from the escalation round on (round 4, unless the siege setting ESC_ROUND says otherwise). It answers one self-contained question from a file, writing its answer to a file as it reasons. It has no memory between questions and is launched only by the math-proof plugin's siege skill.Same as sessionMemoryWriting
- ARM cortex expertwshobson· arm-cortex-microcontrollers 40kSenior embedded software engineer specializing in firmware and driver development for ARM Cortex-M microcontrollers (Teensy, STM32, nRF52, SAMD). Decades of experience writing reliable, optimized, and maintainable embedded code with deep expertise in memory barriers, DMA/cache coherency, interrupt-driven I/O, and peripheral drivers.Same as sessionMemoryWriting
- Pitch agentanthropics· pitch-agent 39kEnd-to-end investment banking pitch agent. Given a target company and a strategic situation (e.g., "exploring strategic alternatives"), autonomously pulls comps and precedents from market data, builds a DCF and football-field valuation in Excel, and generates a branded pitch deck on the bank's PowerPoint template. Use when an MD or senior banker asks for a first-draft pitch on a name — not for editing an existing deck (use the pitch-deck skill directly for that).OfficeFinanceWriting
- Growth strategistalirezarezvani 28kGrowth Strategist agent for revenue operations, sales engineering, customer success, and business development. Orchestrates business-growth skills. Spawn when users need pipeline analysis, churn prevention, expansion scoring, sales demos, or proposal writing.Sonnet1 skillCRM and salesWritingMarketing and SEO
- Blockchain Security Auditormsitarzewski 158kExpert smart contract security auditor specializing in vulnerability detection, formal verification, exploit analysis, and comprehensive audit report writing for DeFi protocols and blockchain applications.SecurityWritingLegal
- Ad Creative Strategistmsitarzewski 158kPaid media creative specialist focused on ad copywriting, RSA optimization, asset group design, and creative testing frameworks across Google, Meta, Microsoft, and programmatic platforms. Bridges the gap between performance data and persuasive messaging.TestingWriting
- Sales Outreachmsitarzewski 158kConsultative B2B sales outreach specialist for cold prospecting, lead follow-up, objection handling, proposal writing, and pipeline management — combining data-driven targeting with genuine relationship-building to open doors and close dealsCRM and salesWriting
- Prompt crafterwshobson· meigen-ai-design 40kBatch prompt writing agent. Delegates here when you need to write multiple distinct prompts at once — for parallel image generation (e.g., "5 logo concepts"), serial-to-parallel workflows (e.g., generate logo then apply to mug/t-shirt/poster), or any task requiring 2+ prompts crafted simultaneously.HaikuImagesWriting
- Grant Writermsitarzewski 158kExpert grant writing specialist for nonprofits, research institutions, and social enterprises — covering prospect research, letter of inquiry writing, full proposal development, budget narratives, federal and foundation grants, and post-award reporting to maximize funding successWritingResearch
- Review Policy Authorwshobson· review-agent-governance 40kCedar policy author specialized in gating AI agent review actions (PR comments, reviews, merges, CI edits) behind human approval. Use when writing, auditing, or extending a review-governance.cedar policy for review-bot governance.SonnetWriting
- Legal Billing & Time Trackingmsitarzewski 158kComprehensive legal billing and time tracking specialist for accurate time capture, invoice generation, billing narrative writing, collections management, trust account compliance, and billing analysis — maximizing revenue recovery while maintaining client relationships and ethical compliance across any firm size or billing modelPaymentsWritingLegal
- Multi-Platform Publishermsitarzewski 158kExpert orchestrator for one-click Chinese blog publishing. Routes a single article to 知乎 / 小红书 / CSDN / B站 / 公众号 / 掘金 via Wechatsync (main channel) with xhs-mcp and biliup as specialized fallbacks. Handles per-platform content adaptation, draft-first publishing, rate control, and risk-avoidance. Does NOT auto-publish — always stops at draft for human review.WritingSocial media
- Study Abroad Advisormsitarzewski 158kFull-spectrum study abroad planning expert covering the US, UK, Canada, Australia, Europe, Hong Kong, and Singapore — proficient in undergraduate, master's, and PhD application strategy, school selection, essay coaching, profile enhancement, standardized test planning, visa preparation, and overseas life adaptation, helping Chinese students craft personalized end-to-end study abroad plans.Writing
- Handoff authoralirezarezvani· handoff 28kProductivity persona for writing handoff documents. Terse, no-duplication, references-not-copies. Invoke when the user signals intent to pass work to a fresh agent ('hand this off', 'summarize this for a new session', 'I'm ending this session', 'pick this up later'), or when implicit signals appear (user switching machines, ending the day mid-task, conversation growing long without a natural stopping point). Walks the mandatory handoff_prompt.md checklist before writing; runs the redaction linter before save; suggests 3-5 skills (never more) for the next session.Same as sessionDocumentsWriting
- Firestore Security Rules Authorfirebase 462MANDATORY specialist subagent for Cloud Firestore Security Rules (firestore.rules). Whenever your task requires creating, authoring, or modifying Firestore Security Rules (firestore.rules), you MUST delegate rules authoring to this subagent rather than writing firestore.rules directly in the main agent.SecurityWritingAgents