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Free MCP servers and Claude skills

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

Arc UI screenshot 1Productivity · MCPArc UIReact components and blocks with motion. Search docs, props and shadcn install commands.No reviewsFreeArchifyDesign and images · SkillArchifyCreate explorable architecture, sequence, data-flow and ERD diagrams as HTML.No reviewsFreeArcmira: YouTube Transcript SearchDevelopment · MCPArcmira: YouTube Transcript SearchSearch YouTube transcripts for timestamps, speaker appearances, sponsors and recommendations.No reviewsFreeArtifact ShareProductivity · MCPArtifact ShareShare HTML and Markdown files from AI agents within your company, with versions and comments.No reviewsFreeArtifacts builderProductivity · SkillArtifacts builderBuild complex claude.ai HTML artifacts with React, Tailwind CSS and shadcn/ui.No reviewsFreeAsoBeast screenshot 1Productivity · MCPAsoBeastApp Store and Google Play ASO: keyword rankings, competitors, reviews, audits and an action queue.No reviewsFreeAster atelierDesign and images · SkillAster atelierTemplate for an artistic studio website with classical imagery and serif type.No reviewsFreeAstropyProductivity · SkillAstropyAstronomy and astrophysics in Python with Astropy.No reviewsFreeAtlassian (Jira et Confluence)Productivity · MCPAtlassian (Jira et Confluence)Jira tickets and Confluence pages: search, create and update them from Claude.No reviewsFreeAtomic MailDevelopment · MCPAtomic MailProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.No reviewsFreeAttributionMarketing · SkillAttributionWork out which marketing really drives revenue and which numbers to trust.No reviewsFreeAudio jingleDesign and images · SkillAudio jingleGenerate jingles, music beds, voice-overs and sound effects.No reviewsFreeAuscaProductivity · MCPAuscaPay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.No reviewsFreeAutoskillProductivity · SkillAutoskillSpot repeated research workflows in Screenpipe history and draft new skills.No reviewsFreeAxint screenshot 1Development · MCPAxintProof and repair for Apple coding agents: validate Swift, run Xcode evidence, and repair failures.No reviewsFreeAzure DevOps (ADO)Development · MCPAzure DevOps (ADO)The MCP server for Azure DevOps, bringing the power of Azure DevOps directly to your agents.No reviewsFreeBGPT paper searchProductivity · SkillBGPT paper searchSearch scientific papers and get claim-level evidence from full text.No reviewsFreeBIDSProductivity · SkillBIDSOrganise, validate and convert BIDS neuroimaging datasets.No reviewsFreeBabysitDevelopment · SkillBabysitWatch a pull request until it is ready to merge: comments, reviews and CI.No reviewsFreeBackend patternsDevelopment · SkillBackend patternsBackend architecture patterns for Node.js, Express and Next.js API routes (Spanish).No reviewsFreeBackenlyData and analytics · MCPBackenlyPostgres backend your coding agent builds over MCP; destructive actions wait for a person.No reviewsFreeBackup setupData and analytics · SkillBackup setupSet up, check or restore local snapshots of the claude-mem database.No reviewsFreeBanco MCP screenshot 1Finance · MCPBanco MCPBrazilian Open Finance MCP — 30+ banks (Itaú, Nubank, etc.) to Claude/Cursor. Read-only.No reviewsFreeBeancount.io screenshot 1Finance · MCPBeancount.ioQuery, edit, and reconcile a hosted Beancount ledger: BQL, reports, files, and bank imports.No reviewsFree

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