Skip to content
Claude Market
0Cart 0Sign in

Free MCP servers and Claude skills

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

329 products

Nature paper trans screenshot 1Productivity · SkillNature paper transTranslate English paper PDFs into Chinese PDFs that keep the layout.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 reviewsFreeNature figure screenshot 1Productivity · SkillNature figureCreate, revise and export publication-ready scientific figures in Python or R.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 reviewsFreeDefuddleProductivity · SkillDefuddleExtract clean, readable Markdown from web pages with Defuddle.No reviewsFreeResearchWriteProductivity · SkillResearchWriteWrite research proposals, opening reports and research plans.No reviewsFreeNature writingProductivity · SkillNature writingDraft or restructure a scientific manuscript from your own evidence.No reviewsFreeNature literature pipelineProductivity · SkillNature literature pipelineAn automated literature pipeline: search, score, read, deliver and archive.No reviewsFreeNature reviewerProductivity · SkillNature reviewerGet an evidence-grounded mock peer review before you submit.No reviewsFreeNature experiment logProductivity · SkillNature experiment logKeep standardised lab notebooks from photos, voice notes and text (in Chinese).No reviewsFreeObsidian CLIProductivity · SkillObsidian CLIRead, create, search and manage notes in Obsidian vaults with the Obsidian CLI.No reviewsFreeNature ref verifierProductivity · SkillNature ref verifierVerify references against several sources, field by field (in Chinese).No reviewsFreeAndru.ia niche intelligenceProductivity · SkillAndru.ia niche intelligencePrepare a sector intelligence dossier for a project, in Spanish.No reviewsFreeNature readerProductivity · SkillNature readerCreate bilingual Chinese-English paper readers with aligned text and figures.No reviewsFreeAndru.ia skill smithProductivity · SkillAndru.ia skill smithCreate or improve an Andru.ia skill with examples and limits (Spanish).No reviewsFreeAAS review stackProductivity · SkillAAS review stackReview AAS stack manifests and plans without applying changes.No reviewsFreeCLI-Anything for HermesProductivity · SkillCLI-Anything for HermesBuild and test CLI-Anything harnesses with Hermes Agent.No reviewsFree

We use audience measurement cookies

With your consent, Google Analytics helps us understand which pages are useful. Cookies needed for your account and cart stay on. You can change your mind at any time with “Manage cookies” at the bottom of the page. Learn more