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Free MCP servers and Claude skills

Free MCP servers (connectors) and skills for Claude and Claude Code.

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UltraworkProductivity · SkillUltraworkThe ultrawork mode directive, loaded only when ultrawork is requested.No reviewsFreeULW researchProductivity · SkillULW researchMaximum-saturation research with a team, claim checking and a cited deliverable.No reviewsFreePPT masterProductivity · SkillPPT masterGenerate editable PowerPoint decks and reusable brand and layout workspaces.No reviewsFreeAnchor smooth scrollDesign and images · SkillAnchor smooth scrollOffer an instant scroll option for in-page anchor links.No reviewsFreeFree toolsMarketing · SkillFree toolsPlan and build a free tool as marketing: calculators, graders, generators.No reviewsFreeCheck understandingStudies · SkillCheck understandingQuiz yourself on a phase of AI Engineering from Scratch.No reviewsFreeFind your levelProductivity · SkillFind your levelFind your starting point in the 542-lesson AI Engineering from Scratch course.No reviewsFreeInterview prepProductivity · SkillInterview prepMock interview coach for AI engineering roles.No reviewsFreeFrontendDesign and images · SkillFrontendBuild and polish anything drawn with HTML, CSS or SVG.No reviewsFreeARIA allowed attrDesign and images · SkillARIA allowed attrUse only the ARIA attributes allowed for each role.No reviewsFreeCommunity marketingMarketing · SkillCommunity marketingBuild and grow an online community, and decide whether it is worth it.No reviewsFreeCopy editingMarketing · SkillCopy editingEdit, tighten and proofread existing copy without rewriting it.No reviewsFreeAccessibility testingDevelopment · SkillAccessibility testingSet up repeatable automated accessibility checks in components and CI.No reviewsFreeSecurity auditSecurity · SkillSecurity auditSecurity guidance and vulnerability review for code, APIs and services.No reviewsFreeCourse styleStudies · SkillCourse styleThe shared visual and writing style of AI Engineering from Scratch.No reviewsFreeCourse guideStudies · SkillCourse guideFind the right lesson in AI Engineering from Scratch for a topic or a bug.No reviewsFreeClaude certificationProductivity · SkillClaude certificationA tutor for the Claude certification tracks of AI Engineering from Scratch.No reviewsFreeASO (App Store Optimization)Productivity · SkillASO (App Store Optimization)Audit and optimise an App Store or Google Play listing.No reviewsFreeEval integrityStudies · SkillEval integrityJudge whether an eval, benchmark, A/B test or study claim can be trusted.No reviewsFreeCopywritingMarketing · SkillCopywritingWrite or rewrite page copy: homepage, landing, pricing and feature pages.No reviewsFreeFix security vulnerabilities with StrixSecurity · SkillFix security vulnerabilities with StrixFix the vulnerabilities found by a Strix pentest at their root cause.No reviewsFreeCoding agent sessionsDevelopment · SkillCoding agent sessionsFind and reconstruct past coding agent sessions from local logs.No reviewsFreeLazyCodex: report bugDevelopment · SkillLazyCodex: report bugFile a high-signal bug report in the repository that owns the defect.No reviewsFreeLearn reverse engineeringStudies · SkillLearn reverse engineeringA focused tutor for the reverse engineering learning path.No reviewsFree

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