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Free MCP servers and Claude skills

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

329 products

DefuddleProductivity · 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 reviewsFreeCLI-Hub matrix: knowledge and researchProductivity · SkillCLI-Hub matrix: knowledge and researchChoose the right tools for research, notes, writing and publishing.No reviewsFreeClinical decision supportProductivity · SkillClinical decision supportPrepare research-only clinical decision support evaluations and evidence.No reviewsFreeCLI-Anything CloudAnalyzerProductivity · SkillCLI-Anything CloudAnalyzerRun CloudAnalyzer quality checks on mapping and perception outputs.No reviewsFreeAutoskillProductivity · SkillAutoskillSpot repeated research workflows in Screenpipe history and draft new skills.No reviewsFreeCLI-Hub matrix: game developmentProductivity · SkillCLI-Hub matrix: game developmentChoose the right tools for game development, from engine to store publishing.No reviewsFreeCLI-Anything AnyGenProductivity · SkillCLI-Anything AnyGenGenerate slides, documents and web pages with AnyGen from the command line.No reviewsFreeCanteraProductivity · SkillCanteraSimulate chemical reactors and ignition delay with Cantera.No reviewsFreeBiopythonProductivity · SkillBiopythonBiopython workflows: sequences, FASTA and GenBank files, phylogenetics, NCBI.No reviewsFreeBIDSProductivity · SkillBIDSOrganise, validate and convert BIDS neuroimaging datasets.No reviewsFreeOffice transformProductivity · SkillOffice transformExtract or edit part of an Excel, Word, PDF or PowerPoint file into a new file.No reviewsFreeCLI-Anything generatorProductivity · SkillCLI-Anything generatorBuild, test and list CLI-Anything harnesses inside Cursor.No reviewsFree

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