npm · page 15 of 89
MCP servers published as npm packages: Clarifyprompt to Clocknext MCP
8,832 servers in the MCP Registry are distributed as a Node.js package published to the npm registry. They run on the user's own computer and need Node.js; clients usually start it with npx.
| Server | Runs |
|---|---|
| ClarifypromptAI prompt optimization for 58+ platforms across 7 categories with custom platforms. | Local · stdio |
| Clarik MCP ServerClarity and memory persistent workspace context manager for Claude. | Local · stdio |
| clarx.aiScore agent manifests, generate CI workflows, and pull Clarx scan findings into your IDE. | Local · stdio |
| ClassCADBuild and verify CAD parts and assemblies with the ClassCAD engine, locally, no server needed. | Local · stdio |
| ClassDojo Classroom MCPUnofficial local-first MCP for ClassDojo roster imports and classroom skill synchronization. | Local · stdio |
| Classquill MCPRead-only MCP server for ClassQuill, a tutoring-business-management platform. | Remote & Local · HTTP, stdio |
| Claude Agy MCPDelegate heavy tasks from Claude Code to the Antigravity CLI (Gemini) with quota-aware failover. | Local · stdio |
| Claude AmplifierPersistent memory + decision tracking for Claude across sessions. Local SQLite, no cloud. | Local · stdio |
| Claude ArmyOrchestrate multiple Claude Code agents in parallel from chat. | Local · stdio |
| Claude Bridge MCPPipes Claude Code session output into Claude Chat — no more copy-paste between tools. | Local · stdio |
| Claude Code Bridge from Essential AI Solutions (essentialai.uk)MCP bridge for inter-session communication between Claude Code instances. | Local · stdio |
| Claude Code Conversation Search MCPSearch Claude Code conversation history with natural language queries across all projects. | Local · stdio |
| Claude Code Explorer MCPExplore the Claude Code CLI source — browse tools, commands, search code, and more. | Local · stdio |
| Claude Code Explorer MCPExplore the Claude Code CLI source — browse tools, commands, search code, and more. | Local · stdio |
| Claude Code OrganizerOrganize Claude Code memories, skills, MCP servers, commands, agents, rules via drag-and-drop. | Local · stdio |
| Claude Code Ultimate GuideSearch the Claude Code Guide and machine-readable references from any MCP client. | Local · stdio |
| Claude Code UsageClaude Code token usage, cost, and plan limits from local logs and Anthropic's usage API. | Local · stdio |
| Claude Context SyncShare context, detect conflicts, and message across parallel Claude Code sessions. | Local · stdio |
| Claude Desktop BridgeShared local knowledge vault MCP server for Claude Desktop (Chat + Code) | Local · stdio |
| Claude FAFPersistent project context for Claude. IANA-registered.faf format. | Local · stdio |
| Claude FindPull Deep Memory from across your Claude Code Sessions — when you need it. | Local · stdio |
| Claude FlowAI orchestration with hive-mind swarms, neural networks, and 87 MCP tools for enterprise dev. | Local · stdio |
| Claude KVMMCP server — control remote desktops via VNC with a native Swift daemon and Apple Vision OCR. | Local · stdio |
| Claude MCP BridgeWraps Claude Code CLI as MCP tools: query, search, structured, ping, listSessions. | Local · stdio |
| Claude OctopusSpawn multiple specialized Claude Code agents as MCP servers, each independently configured. | Local · stdio |
| Claude Ops Telegram ServerTelegram personal-account MCP (MTProto user-auth). Read DMs, send messages, search across chats. | Local · stdio |
| Claude Prompt OptimizerScores, compiles & optimizes prompts for any LLM. Zero AI calls inside. Freemium. | Local · stdio |
| Claude Prompts MCPReusable prompt templates, multi-step workflow chains, and quality gates for any MCP client. | Local · stdio |
| Claude Remind MCPSearch past Claude Code conversations. Local BM25 over JSONL with one-click claude --resume. | Local · stdio |
| Claude Token Saver MCPMCP server that offloads routine coding tasks to local LLM (Ollama) to save Claude API tokens. | Local · stdio |
| claude-webcacheCross-session WebFetch cache for Claude Code. Unlimited TTL by default, SQLite, MCP plugin. | Local · stdio |
| Claudeclear MCPRemove the Claude text watermark by rewriting text, and strip C2PA/EXIF metadata from images. | Local · stdio |
| ClaudeInk — Knowledge VaultSave, search, and compile valuable knowledge from your Claude conversations. | Local · stdio |
| ClaudexPersistent memory + FTS5 search MCP server for Claude Code conversation history. | Local · stdio |
| ClaudexorRoute coding work across Claude Code, Codex, Cursor, and OpenCode with shared context. | Local · stdio |
| ClaudiaTask management for AI agents with hierarchical tasks, dependencies, sprints, and coordination. | Local · stdio |
| ClaudinhoLive 2026 World Cup scores, fixtures & standings for your AI agent. No keys. Unofficial fan project. | Local · stdio |
| Clauselane Contract Register ToolsClauselane: the monthly US search demand across the tools this product ships, read from monthly... | Local · stdio |
| ClavioReal-time data resolver for agents. 200 countries, 169k cities, FX, weather, Africa/MENA. | Local · stdio |
| ClavisEncrypted credential vault for AI agents — auto OAuth refresh, rate limiting, audit logging. | Local · stdio |
| ClawaimailEmail infrastructure for AI agents. Create inboxes, send/receive email, and search messages. | Local · stdio |
| Clawallex MCPMCP Server for Clawallex payment API - Pay for anything with USDC virtual cards. | Local · stdio |
| Clawbackai MCPLLM cost optimization. Audit your calls, prove savings, route to the cheapest quality model. BYOK. | Local · stdio |
| ClawcastAI rap songs about today's headlines in any rapper's style. Free trial + x402 payments. | Local · stdio |
| ClawdcursorSafe cross-OS desktop control for any AI agent - the fallback execution layer. | Local · stdio |
| clawfetch.aiWeb intelligence for AI agents: fetch, render, extract, research. x402 micropayments, no API keys. | Local · stdio |
| ClawhubGit hosting for AI agents: repos, changes, focused diffs, reviews, issues, code search. | Local · stdio |
| clawopsDeploy self-hosted OpenClaw to AWS, GCP, Azure or a local VM — a CLI and an MCP server in one. | Local · stdio |
| ClawPageExtract and structure any web page into clean JSON. Free tier: 10/day. | Local · stdio |
| ClawpayNon-custodial x402 payment MCP server for AI agents. Wallets, payments, and commerce on 17 chains. | Local · stdio |
| ClawphunksMint and trade ClawPhunks NFTs - 10k pixel punks for AI agents. x402 payment, ethscriptions on L1. | Local · stdio |
| ClawPipeCost-optimized LLM pipeline + 6 AI security skills (reasoning, triage, remediation, compliance). | Local · stdio |
| ClawswapCross-chain swaps between Solana and Base for AI agents paid for via via x402 micropayments. | Local · stdio |
| Clawvault MCP ServerAI agent payment security - spending limits, whitelists, and human approval. | Local · stdio |
| ClawworkAI agent project management — task boards, progress tracking, and cost reporting. | Local · stdio |
| Clean MarkdownAny URL to clean, LLM-ready Markdown for RAG. Strips ads, nav, and boilerplate. | Local · stdio |
| clean.toolsRead-only developer, date, finance, and text utilities. Authless remote MCP server by Clean.tools. | Remote & Local · HTTP, stdio |
| CleanorZero-auth MCP: image optimize, cited storage/format data, and dev utilities LLMs get wrong. | Remote & Local · HTTP, stdio |
| Cleared IndexCleared Check before pay: lookup_merchant, cleared_check, route_gateway for x402 agents. | Local · stdio |
| ClearlistAI resale manager. Photograph an item, AI writes the listing, publish a sale page, manage pickups. | Remote & Local · HTTP, stdio |
| CleatA real US mobile number that receives verification codes, by text or transcribed call. | Remote & Local · HTTP, stdio |
| Clef MCPLocal MCP server for the Cloudflare Clef-Flash decision model: structured decisions, fully offline. | Local · stdio |
| ClelpSearch and rate AI tools, MCP servers, and agent skills reviewed by real agent use. | Local · stdio |
| CLEO MCP ServerTask management for AI coding agents — CQRS 2-gateway pattern, 200 ops across 10 domains. | Local · stdio |
| Clervo ConnectFree-first Clervo tools and bounded opt-in commerce through one local wallet. | Local · stdio |
| Clevelandart MCPCleveland Museum of Art open access search. No key required. | Local · stdio |
| ClevernameAI agent governance — security scanning, BYOK routing, audit logging, and Council approvals. | Local · HTTP, stdio |
| CliSlide decks locally: templates, checks, HTML to editable PowerPoint,.pptx rescue. No AI inside. | Local · stdio |
| CliKanta Verify, Find, and Database: email verification, email finding, and B2B contact search. | Local · stdio |
| CliCross-tool decision memory for AI coding agents: search your decision graph, check changes over MCP. | Local · stdio |
| CliUse the canonical noticed direct-tool MCP from stdio-only clients. | Local · stdio |
| CliPushToDisplay MCP server — send real-time updates to display boards on iOS and Android devices. | Local · stdio |
| CliDeploy and monetize agent-built apps: login, database, usage billing, and end-user-pays. | Local · stdio |
| Cli Microsoft365 MCP ServerMCP server for CLI for Microsoft 365 to manage your tenant using natural language. | Local · stdio |
| cli2mcpWrap any CLI as a Model Context Protocol server - schema auto-inferred from --help. | Local · stdio |
| ClickcastDrive a real Playwright browser: annotated screenshot + structured page state after every action. | Local · stdio |
| clicksprotocol MCP-SERVERAgent commerce settlement tools on Base: treasury setup, payment splits, yield and attribution. | Local · stdio |
| ClickupPremium AI integration. Tasks, lists, docs, folders, time. 50+ tools. Instant setup. | Local · stdio |
| Clickup MCPLightweight ClickUp MCP server - 37 tools, token-optimized (95% smaller responses) | Local · stdio |
| ClickUp MCP ProThe most complete ClickUp MCP server — 161 tools + clickup_raw for the full v2/v3 API. | Local · stdio |
| Clientvo ToolsClientvo: the monthly searches, read from search (a month), served as an agent-callable dataset... | Local · stdio |
| Clinical Trial DesignPhase 2/3 clinical trial design via gsDesign / gsDesign2: sample size, GS boundaries, multiplicity. | Local · stdio |
| Clinicaltrialsgov MCP ServerSearch ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials. | Remote & Local · HTTP, stdio |
| Clinvar MCPClinical variants from ClinVar. No key required. | Local · stdio |
| Clio MCPConnect Claude to Clio: 34 tools for matters, custom fields, notes, documents, folders, billing. | Local · stdio |
| ClipbaitTurn any video into viral clips and clip live streams, from any AI agent. | Local · stdio |
| Clipboard MCP ServerRead, write, and inspect the system clipboard on macOS, Linux (X11/Wayland), and Windows via MCP. | Local · stdio, HTTP |
| Clipboardo ToolsClipboardo: the monthly US search demand across the intake work this product ships, read from... | Local · stdio |
| ClipformInteractive video forms that capture authentic responses. Build engaging forms in minutes. | Remote & Local · HTTP, stdio |
| Clipspeed MCPTurn any video or livestream into scored, captioned, ready-to-post vertical clips. | Remote & Local · HTTP, stdio |
| ClipUGCUGC videos for your app with AI influencers who keep the same face. Hosted (OAuth) or local. | Remote & Local · HTTP, stdio |
| ClipwiseMCP server for Clipwise - AI tools for TikTok, Reels, and Shorts video creators. | Local · stdio |
| ClipwrightTalking-actor and faceless short videos from your AI agent, with a free quote before each render. | Local · stdio |
| clipy.onlineRead your Clipy screen recordings: search, transcripts, AI summaries, and key moments with frames. | Local · stdio |
| ClirankSearch, compare, and get docs for 210+ APIs ranked by CLI and agent relevance. | Local · stdio |
| ClishopOrder anything from your terminal — search, buy, track, and manage via MCP tools. | Local · stdio |
| ClizeReal-world actions for AI coding agents: an inbox with approval outbox, deploys, domains, payments. | Local · stdio |
| CloakBrowser MCPPlaywright MCP-compatible browser automation bridge for CloakBrowser Chromium. | Local · stdio, HTTP |
| Cloaked AgentTrustless spending accounts for AI agents on Solana with on-chain enforced limits. | Local · stdio |
| Clocknext MCPMeter usage and manage usage-based billing from AI tools via the ClockNext API. | Local · stdio |