The library
Everything we index — ranked by what works, never by stars.
forSalesMarketingHRFinanceLegalOpsProductEngineeringDataProductivitySupportsetup≤ plug & play≤ + a key≤ multi-tool
● works · ● untested / no effect · ● hurts — every rank is measured against a no-skill baseline
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Research Bicep language feature gapssubagentEngineeringL2
bicep-researcher · Identifying undocumented Bicep features (new decorators, type system, assertions, extensions) that should be added to bicep-docs to keep documentation current with language releases.
Package and audit contest submissionssubagentL2
mathodology-submission-packager · Final contest submission quality gate—verifies that no secrets/caches exist, all figures are reproducible from source, outside users can run the package, and submission complies with all rules.
Build macOS automation with ShortcutssubagentOpsL2
system-engineer · Integrating native macOS system capabilities (Spotlight search via mdfind, file metadata via mdls, Finder tags via xattr, Shortcuts automation) into Swift tools via test-driven patterns.
Diagnose frontend build and TypeScript errorssubagentEngineeringL2
build-validator · Rapidly fixing TypeScript/ESLint/Vite build breakages in a strict React 19 + Express 5 monorepo by identifying the exact root cause (type narrowing, decorator syntax, postinstall failure) and applying minimal fixes.
Implement frontend from design specssubagentEngineeringL2
frank · Production Next.js component implementation from PRDs that faithfully follows design specs, validated in real browser across mobile/tablet/desktop viewports with zero console warnings.
Update project documentationsubagentEngineeringL1
writer · Producing original long-form thought leadership and explainers on emerging topics when subject-matter expertise is available and citations are verifiable.
Verify development plans achieve goalssubagentEngineeringL2
gsd-plan-checker · Catching plan incompleteness and hidden assumptions before executing a complex multi-month project that would otherwise fail due to missing coordination or unresolved dependencies.
Validate implementations against specsubagentEngineeringL2
critic · Independent quality gate after delivery that identifies whether work actually meets the brief (not self-assessed), separates critical fixes from polish, and provides actionable rework guidance.
Write and validate test coveragesubagentEngineeringL2
team-tester · Verifying that frontend, backend, and infrastructure pieces actually work together in realistic scenarios before handing off to production ops.
Manage quiz questions in CSVsubagentProductL2
add-quiz-questions · Managing multi-language quiz CSV with AI generation and duplicate detection without manual scripts.
Audit code for security vulnerabilitiessubagentEngineeringL2
security · Auditing code for authorization, RLS, and authentication vulnerabilities before launch.
Detect accessibility patterns across pagessubagentEngineeringL2
cross-page-analyzer · Computing accessibility severity scores and cross-page patterns faster than manual auditing.
Evaluate AI behavior with LLM evalssubagentEngineeringL2
ai-eval-engineer · Validating LLM behavior against strict criteria (structure, safety, cost) that string assertions cannot verify.
Audit Astro site for SEOsubagentMarketingL2
seo-audit · Identifying crawlability and metadata issues systematically across static Astro sites.
Design system architecture and decisionssubagentEngineeringL2
architect · Auditing code for authorization, RLS, and authentication vulnerabilities before launch.
Review code and flag violationssubagentEngineeringL1
code-inline-reviewer · Validating LLM behavior against strict criteria (structure, safety, cost) that string assertions cannot verify.
Resolve build and type errorssubagentEngineeringL2
build-error-resolver · Auditing code for authorization, RLS, and authentication vulnerabilities before launch.
Document technical architecture decisionssubagentEngineeringL2
adr-author · Auditing code for authorization, RLS, and authentication vulnerabilities before launch.
Refactor code without changing behaviorsubagentEngineeringL2
refactorer · Improving code design while guaranteeing behavior preservation through automated validation.
Validate high-risk planssubagentEngineeringL2
emma-frost · Flagging specific coding-standard violations with inline docs links at scale.
Access AI ecosystem and regulatory datapluginDataL2
tensorfeed · Auditing code for authorization, RLS, and authentication vulnerabilities before launch.
Compare pricing across developer toolspluginFinanceL2
agentdeals · Handling specialized tasks that generic agents cannot perform.
Generate images and videos with AIpluginMarketingL2
fal-ai · Handling specialized tasks that generic agents cannot perform.
Automate Firefox testing and scrapingpluginEngineeringL2
firefox-devtools · Handling specialized tasks that generic agents cannot perform.
Debug iOS Safari with WebKit InspectorpluginEngineeringL2
iwdp-mcp · Handling specialized tasks that generic agents cannot perform.
Browse pages at 97% fewer tokenspluginEngineeringL2
pagemap · Browsing high-token pages (PDFs, documentation, dense paywalls) where 97% compression outweighs loss of formatting.
Persist planning and progress across AI editorspluginOpsProductivityL2
planning-with-files · Multi-session planning where Markdown context outlives any single LLM conversation, across teams using different coding IDEs.
Deploy React/Vite web apps on Tencent CloudBasepluginEngineeringL2
cloudbase-sites · Two-stage save→deploy workflow for iterative React/Vite front-end development on CloudBase, inspired by Codex Sites pattern.
Access Tencent CloudBase models, auth, and backend servicespluginEngineeringL2
cloudbase · Tencent stack full-stack apps needing unified auth, NoSQL+SQL, blob storage, serverless, and WeChat Mini Program integration.
Delegate work to Codex, Gemini, and OpenCode agentspluginOpsL2
owlex · Multi-agent workflows requiring load-balancing or task-specific agents (Codex for code, Gemini for breadth, OpenCode for spec-driven generation).
Match tasks to cognitive operations from 679-item librarypluginL2
ejentum · Complex reasoning, code generation, or deception-resistant verification where 679 pre-verified cognitive topologies beat ad-hoc reasoning.
Run plan-execute-validate loops with parallel work and memorypluginOpsEngineeringL2
forge · Multi-file refactors, full-stack features, or spec-driven work where parallel validation and retry beat sequential manual oversight.
Execute terminal commands and manage files across formatspluginEngineeringOpsL2
desktop-commander · Local-only automation across text, code, PDFs, spreadsheets where client-side execution avoids cloud egress and latency.
Access 5 business growth skills with sales and revenue focuspluginSalesOpsL2
business-growth-skills · Startup GTM (customer success manager hiring, sales engineering processes, RevOps setup, contract/proposal templates) via 5 pre-trained skills.
Map processes, manage vendors, plan capacity, lead changepluginOpsL2
business-operations-skills · BizOps teams needing BPMN→bottleneck→fix workflows, vendor risk management, call-center capacity math, and process documentation with embedded validation.
Access 33 C-level advisory skills and virtual board agentspluginOpsL2
c-level-skills · Founder, CEO, or board seeking 33-skill C-suite advisory (CEO, CTO, COO, CPO, CMO, CFO, CRO, CISO, CHRO, counsel, data, AI, customer officers, VPE) with forcing-question discipline.
Run 13 C-suite agents for executive decision-makingpluginOpsL2
c-level-agents · Executive team or board needing multi-role deliberation (CEO, CFO, CRO, CMO, CPO, COO, CHRO, CISO, Counsel, CDO, CAO, CCO, VPE) before major decisions.
Calculate AI build-vs-buy and assess regulatory riskpluginProductFinanceL2
chief-ai-officer-advisor · CAO or VP Product deciding between API models (Claude, Gemini), fine-tuning, or self-hosted infrastructure when capital and regulatory trade-offs matter.
Analyze retention, design segments, size CSM hiringpluginOpsSupportL2
chief-customer-officer-advisor · Chief Customer Officer or VP Customer Success sizing the CS org and kill list when GRR is stalling and NRR delta needs targeting.
Audit training data origins and design data productspluginDataLegalL2
chief-data-officer-advisor · Chief Data Officer or CPO deciding on data moat strategy, training data sourcing, and infrastructure architecture when legal + product + financial trade-offs collide.
Scan contracts for founder-killer patterns and riskspluginLegalFinanceL2
general-counsel-advisor · Founder or CEO reviewing term sheet or vendor contract pre-signature when red-flag speed matters more than perfect legal interpretation.
Analyze delivery metrics, hiring funnel, team structurepluginEngineeringOpsL2
vpe-advisor · VP of Engineering or Director of Eng optimizing delivery throughput (DORA), hiring funnel conversion, and org structure when execution velocity stalls.
Design pricing, route deals, structure partnershipspluginSalesProductL2
commercial-skills · When pricing, channel, partnership, or deal-approval decisions require principled frameworks rather than ad-hoc judgment.
Access 32 production-ready engineering and security skillspluginEngineeringL2
engineering-skills · When shipping production-grade code requires discipline across architecture, testing, deployment, and security domains rather than isolated linting.
Audit and fix WCAG 2.2 accessibility violations in frontendpluginEngineeringProductL2
a11y-audit · When shipping accessible UI requires automated detection of common WCAG violations before manual testing.
Automate Gmail, Drive, Calendar, Sheets, and TaskspluginOpsProductivityL2
google-workspace-cli · When administering Google Workspace across mail, drive, calendar, docs, and tasks requires CLI automation instead of manual UI clicking.
Generate, fix, and run production Playwright testspluginEngineeringL2
pw · When shipping e2e tests across multiple browsers and platforms requires templates, flaky-failure fixes, and reporter integrations rather than starting from scratch.
Auto-improve agent memory and rulespluginProductivityL2
si · When an agent must stay sharp by surfacing what it has learned and permanently upgrading its own instructions and tool library.
Build Snowflake pipelines and SQL queriespluginEngineeringDataL2
snowflake-development · When building production data pipelines in Snowflake requires serverless compute, AI-native SQL functions, and dbt workflow management.
Master 40 advanced engineering disciplinespluginEngineeringL2
engineering-advanced-skills · When shipping complex agent systems requires principled design across agent logic, retrieval, data layers, operations, and pre-production compliance gates.