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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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COTAL actions (cotal.ai) screenshot 1Productivity · MCPCOTAL actions (cotal.ai)cotal.ai actions: product overview, site search, build log, feedback, Cloud waitlist, updates, callsNo reviewsFreeTetrees MCP screenshot 1Productivity · MCPTetrees MCPOwn, grow and trade portable agent intelligence via TAIP/1 Packs and MCP.No reviewsFreeMeasure screenshot 1Productivity · MCPMeasureGet to the root cause of mobile app crashes, errors & slow traces with Measure MCPNo reviewsFreeDocs screenshot 1Productivity · MCPEmpryo docsSearch and read Empryo's documentation. Read-only, no auth, no local access.No reviewsFreeDerive screenshot 1Productivity · MCPDerivePublish agent output to permanent versioned URLs, read review comments back, and revise.No reviewsFreefojin — Buddhist Canon Tools screenshot 1Productivity · MCPfojin — Buddhist Canon ToolsBuddhist canon tools: search, passages, cross-canon parallels, dictionaries — all URN-cited.No reviewsFreeOpenCaseLaw — Swiss Caselaw, Statutes & Doctrine screenshot 1Productivity · MCPOpenCaseLaw — Swiss Caselaw, Statutes & Doctrine1M+ Swiss court decisions, statutes & doctrine with citation graph (DE/FR/IT). CC0, free, 42 tools.No reviewsFreeKDAN PDF screenshot 1Productivity · MCPKDAN PDFUpload, edit, compress, protect, redact, and compare PDFs with KDAN PDF in Claude and ChatGPT.No reviewsFreeSynap Memory screenshot 1Productivity · MCPSynap MemoryPersistent memory for AI agents — log and recall conversation context over MCP.No reviewsFreeStitchAPI Docs screenshot 1Productivity · MCPStitchAPI DocsSearch and read the StitchAPI docs: search_docs finds relevant sections, get_doc reads a page.No reviewsFreeSurf screenshot 1Productivity · MCPSurfPoint Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.No reviewsFreeEmbedded docs screenshot 1Productivity · MCPEmbedded docsPage-cited retrieval for embedded docs, datasheets, MISRA, CMSIS, and RTOS references.No reviewsFreePuter screenshot 1Productivity · MCPPuterFiles, websites and workers in your Puter space, managed from Claude.No reviewsFreeScrapeGraphAI scrapegraph mcp screenshot 1Productivity · MCPScrapeGraphAIEnable language models to perform advanced AI-powered web scraping with enterprise-grade reliabili…No reviewsFreeInfranodus mcp server infranodus screenshot 1Productivity · MCPInfraNodusMap text into knowledge graphs to create a structured representation of conceptual relations and t…No reviewsFreeAAS discoverProductivity · SkillAAS discoverFind and compare AAS skills for a task without installing them.No reviewsFreeNature sharedProductivity · SkillNature sharedShared reference package used by the other Nature Skills modules.No reviewsFreeNature paper xrayProductivity · SkillNature paper xrayReconstruct how a paper's authors really reached their results.No reviewsFreeNature citationProductivity · SkillNature citationFind and verify Nature and CNS literature that supports manuscript claims.No reviewsFreeNature responseProductivity · SkillNature responseDraft and audit responses to peer review and revision cover letters.No reviewsFreeAndru.ia consultantProductivity · SkillAndru.ia consultantDiagnose an AI project and plan the work with existing skills (Spanish).No reviewsFreeNature paper cardProductivity · SkillNature paper cardBuild a structured deep-reading card for one scientific paper.No reviewsFreeObsidian MarkdownProductivity · SkillObsidian MarkdownWrite Obsidian-flavoured Markdown: wikilinks, embeds, callouts and properties.No reviewsFreeNature statisticsProductivity · SkillNature statisticsAudit and improve the statistical reporting of a manuscript.No reviewsFree

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