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Free MCP servers and Claude skills

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

309 products

Directory submissionsDevelopment · SkillDirectory submissionsList your product in startup, SaaS, AI and MCP directories that are worth it.No reviewsFreeLazyCodex doctorDevelopment · SkillLazyCodex doctorCheck the health of a LazyCodex and Codex CLI installation.No reviewsFreeDebuggingDevelopment · SkillDebuggingHypothesis-driven debugging in any language, locked in with a failing test.No reviewsFreeRulesDevelopment · SkillRulesUnderstand how Codex Rules inject project rules and where rule files live.No reviewsFreeLazyCodex: contribute bug fixDevelopment · SkillLazyCodex: contribute bug fixContribute a verified bug fix to LazyCodex or the Codex CLI.No reviewsFreeTeammodeDevelopment · SkillTeammodeRun a named team of cooperating Codex workers with durable state.No reviewsFreeULW planDevelopment · SkillULW planProduce a work plan before coding, only when you explicitly ask for it.No reviewsFreeFrontend checklist globalDevelopment · SkillFrontend checklist globalAudit a frontend codebase against the full Front-End Checklist in one go.No reviewsFreeast-grepDevelopment · Skillast-grepSearch and rewrite code by syntax shape across 25 languages with ast-grep.No reviewsFreeComment checkerDevelopment · SkillComment checkerUnderstand and answer the automatic comment checker feedback after an edit.No reviewsFreeAccessibility testingDevelopment · SkillAccessibility testingSet up repeatable automated accessibility checks in components and CI.No reviewsFreeCoding agent sessionsDevelopment · SkillCoding agent sessionsFind and reconstruct past coding agent sessions from local logs.No reviewsFreeLazyCodex: report bugDevelopment · SkillLazyCodex: report bugFile a high-signal bug report in the repository that owns the defect.No reviewsFreeLast30daysDevelopment · SkillLast30daysResearch what people said about any topic in the last 30 days.No reviewsFreeUnderstandDevelopment · SkillUnderstandTurn a codebase into an interactive knowledge graph of its architecture.No reviewsFreeRelease reviewDevelopment · SkillRelease reviewReview Orchard deployment manifestsNo reviewsFreeUnderstand diffDevelopment · SkillUnderstand diffAnalyse a git diff or pull request: what changed, affected components and risks.No reviewsFreeUnderstand domainDevelopment · SkillUnderstand domainExtract business domain knowledge from code into an interactive flow graph.No reviewsFreeRuflo screenshot 1Development · SkillRufloInstall and use Ruflo, a multi-agent orchestration platform for coding agents.No reviewsFreeRuView hardware setupDevelopment · SkillRuView hardware setupBuild, flash and provision ESP32 firmware for RuView WiFi sensing nodes.No reviewsFreeUnderstand chatDevelopment · SkillUnderstand chatAsk questions about a codebase using its knowledge graph.No reviewsFreeWASM agentDevelopment · SkillWASM agentCreate and manage sandboxed WebAssembly agents for isolated code execution.No reviewsFreeGitHub PR workflowDevelopment · SkillGitHub PR workflowPrepare a clean GitHub pull request: commits, title, body, checks and review replies.No reviewsFreeUnderstand dashboardDevelopment · SkillUnderstand dashboardOpen an interactive web dashboard of a codebase's knowledge graph.No reviewsFree

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