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Free MCP servers and Claude skills

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

329 products

13C metabolic fluxProductivity · Skill13C metabolic fluxEstimate metabolic fluxes from carbon-13 isotope tracing data.No reviewsFree21risk automationProductivity · Skill21risk automationAutomate 21risk tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFree2chat automationProductivity · Skill2chat automationAutomate 2chat tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFree404 pageProductivity · Skill404 pageCreate and check a custom 404 error page.No reviewsFreeAAS discoverProductivity · SkillAAS discoverFind and compare AAS skills for a task without installing them.No reviewsFreeAAS review stackProductivity · SkillAAS review stackReview AAS stack manifests and plans without applying changes.No reviewsFreeADR createProductivity · SkillADR createCreate a numbered Architecture Decision Record registered in AgentDB.No reviewsFreeADR indexProductivity · SkillADR indexBuild or rebuild the ADR index and dependency graph in one run.No reviewsFreeADR reindexProductivity · SkillADR reindexRebuild the ADR index from scratch after an ADR file or relation is deleted.No reviewsFreeADR verifyProductivity · SkillADR verifyCheck the ADR index for dangling references, supersede cycles and unknown statuses.No reviewsFreeAGNTCY statusProductivity · SkillAGNTCY statusShow the status of the AGNTCY, SLIM and CASA integration in Ruflo.No reviewsFreeASO (App Store Optimization)Productivity · SkillASO (App Store Optimization)Audit and optimise an App Store or Google Play listing.No reviewsFreeAbly automationProductivity · SkillAbly automationAutomate Ably tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFreeAbstract automationProductivity · SkillAbstract automationAutomate Abstract tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFreeAbuseIPDB automationProductivity · SkillAbuseIPDB automationAutomate Abuselpdb tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFreeAbyssale automationProductivity · SkillAbyssale automationAutomate Abyssale tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFreeAccelo automationProductivity · SkillAccelo automationAutomate Accelo tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFreeAccessible authenticationProductivity · SkillAccessible authenticationReview sign-in, sign-up, MFA and recovery flows for accessibility.No reviewsFreeAccessible notificationsProductivity · SkillAccessible notificationsMake notifications and alerts accessible to screen reader users.No reviewsFreeAccessible tooltipsProductivity · SkillAccessible tooltipsBuild accessible tooltips that work with keyboard and screen readers.No reviewsFreeAccordion accessibilityProductivity · SkillAccordion accessibilityMake accordions keyboard navigable and correctly announced.No reviewsFreeAccredible certificates automationProductivity · SkillAccredible certificates automationAutomate Accredible Certificates tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFreeAccuLynx automationProductivity · SkillAccuLynx automationAutomate Acculynx tasks via Rube MCP (Composio). Always search tools first for current schemas.No reviewsFreeActionbook screenshot 1Productivity · MCPActionbookLet your AI agent operate any website through a real, logged-in browser session.No reviewsFree

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