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MCP servers published as npm packages: Brian Booms MCP to Caliu Notes
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 |
|---|---|
| Brian Booms MCPBrian Booms x402 product catalog as agent tools. Read-only. | Local · stdio |
| Bridgeguard MCPBridgeGuard MCP Server - Cross-chain bridge security audit tools for AI coding agents. Scan bri... | Local · stdio |
| BridgekittyCross-chain bridge aggregator — compares LI.FI, deBridge, Relay, Across & more for best rates. | Local · stdio |
| BridgeNode MCPBridgeNode — x402 pay-per-request AI inference. OpenAI-compatible API + MCP, Solana USDC, gas-free. | Remote & Local · HTTP, stdio |
| BridgisticConnect Claude to WordPress safely: signed requests, scoped keys, approvals, logs, snapshots. | Local · stdio |
| BriefGateClient intake: files, copy and logins from clients, from the browser or your AI agent. | Remote & Local · HTTP, stdio |
| briefroom MCPBriefroom stdio MCP server — expose the briefroom CLI to Claude Code, Codex, and other agents. | Local · stdio |
| Brightdata MCPBright Data's Web MCP server enabling AI agents to search, extract & navigate the web. | Local · stdio |
| Brightsky MCPGerman weather from DWD via Bright Sky. No key required. | Local · stdio |
| BrightspaceD2L Brightspace MCP server: courses, grades, rubrics, feedback, course files, calendar. Multi-auth. | Local · stdio |
| BrightspaceD2L Brightspace MCP server: grades, due dates, assignments, announcements and files. Any school. | Local · stdio |
| Brightspace D2l MCPD2L Brightspace for AI agents: due dates with submission status, grades and course content. | Local · stdio |
| Brilliant Directories MCPOfficial MCP server for Brilliant Directories — manage members, posts, leads, reviews, and more. | Local · stdio |
| brilliant.designLocal MCP bridge: your coding agent designs on Brilliant's real vector canvas, fully on 127.0.0.1. | Local · stdio |
| Bring Photo MCPAdd products to Bring. from a photo — MCP for AI recognition, catalog matching, and verified writes. | Local · stdio |
| Brmarket MCPFREE Brazilian marketplace search (ML, Shopee, AliExpress) + import-tax calculator (x402) | Local · stdio |
| Broke2built Skills MCP29 live data skills for agents: email/DNS/domain intel, web audits, EVM reads. Free tier. | Local · stdio |
| brokreAI-safe credential broker for MCP — run saved SSH/MySQL/psql aliases; passwords never reach AI. | Local · stdio |
| BrollContent studio MCP for coding agents: BYO keys, deterministic video rendering, draft-first posting. | Local · stdio |
| BrowsenticHands your real, logged-in browser to your agent: an AI side panel extension, also over MCP. | Local · stdio |
| Browser AutomationBrowser automation MCP server: navigate, fill forms, click, screenshot, and manage tabs. | Local · stdio |
| Browser Compat MCP ServerBrowser compatibility and Baseline status for any web feature — offline, from bundled MDN data. | Remote & Local · HTTP, stdio |
| Browser Devtools MCPPlaywright browser & Node.js MCP. ARIA refs, screenshots, ref-based interactions. | Remote & Local · HTTP, stdio |
| Browser GatewayAI browser tools with Chrome CDP. Navigate, screenshot, interact. Multi-provider failover. | Local · stdio |
| Browser MCPControl a local headless Chrome browser: open pages, read titles, and take screenshots. | Local · stdio |
| Browser MCP CdpLocal Chrome via CDP with profile-snapshot isolation and shared-broker multi-client support. | Local · stdio |
| BrowserbaseBrowserbase MCP server: cloud browser sessions, agents, contexts, fetch, search, functions. | Local · stdio |
| BrowserbashPlain-English browser tests for AI agents: real Chrome, deterministic verdicts. Free, no API keys. | Local · stdio |
| BrowserMeshIsolated multi-session Chromium runtime for external MCP clients over stdio. | Local · stdio |
| BrregMCP server for Norway's Brønnøysund business registry — lookup, search, roles. | Local · stdio |
| Bruno MCP StudioAuthor, edit and run Bruno collections as files: HTTP, WebSocket, gRPC, per-request pass/fail. | Local · stdio |
| BRYDGEChecks whether an agent's actions actually happened, against the destination's own records. | Local · stdio |
| BRYGDrives a real Chromium browser: navigate, click, type, read pages, OCR, QR, network capture. | Local · stdio |
| Bsc Dex SpreadCross-DEX price & spread for PancakeSwap v2+v3 on BSC via x402. Tool get_dex_spread(pair, fee?). | Local · stdio |
| BT Ops MCPSecure MCP server for BT Panel operations with scoped permissions and audited writes. | Local · stdio |
| BTCFi APIBitcoin data for AI agents. 27 tools with x402 micropayments. No API keys needed. | Local · stdio |
| BuchpilotDACH accounting for AI: connect sevDesk & Lexoffice to create invoices, contacts, vouchers. | Local · stdio |
| Buda MCPBuda.com market data: prices, spreads, OHLCV, order books, trades, and volume for CLP, COP, PEN. | Local · stdio |
| Buddy MCPClaude Code creature collection game. Hatch buddies, pet to boost roll luck, complete the BuddyDex. | Local · stdio |
| Budgetary: estimate token spendPre-flight token-spend estimate (range, scenario, confidence) for a coding task, or an abstention. | Local · stdio |
| bugbrain.techBugBrain QA platform for AI coding tools: autonomous exploratory testing, test plans, a11y audits. | Local · stdio |
| BugCatcherBug reports, AI diagnosis, and status management for Cursor, Claude, Windsurf. | Local · stdio |
| BugfenderAccess Bugfender logs, crashes, devices, and user feedback from MCP-enabled clients. | Local · stdio |
| BuggaziProject management for coding agents. Bugs, features, sprints. Streamable HTTP + SSE remotes. | Remote & Local · HTTP, SSE, stdio |
| Bugherd MCPBugHerd API v2 integration — 37 tools for projects, tasks, comments, and webhooks. | Local · stdio |
| BugProofCapture, replay, and debug failures with portable, executable bug artifacts. | Local · stdio |
| Build Cache MCPSummarize local build and cache footprint using size and age buckets without returning paths or... | Local · stdio |
| Builderforce MemoryToken-saving persistent memory for AI agents: recall durable facts instead of re-reading files. | Local · stdio |
| BuildPulseBuildPulse CI test analytics for AI agents — flaky tests, CI failures, flakiness, and code coverage. | Remote & Local · HTTP, stdio |
| BuildtreeUpload Android and iOS builds to buildtree and get install links, QR codes and tester feedback. | Local · stdio |
| Buildutilities MCPDeterministic dev utilities: UUIDs, hashes, encoding, JWT, cron, regex. No network, no API key. | Local · stdio |
| Bulbapedia MCPKeyless MCP server for Bulbapedia, the Pokemon encyclopedia: species, moves, abilities,... | Local · stdio |
| Bulk Sender Lint21 dated checks over SPF, DKIM, DMARC, RFC 8058 one-click unsubscribe and TLS, in VS Code and in the. | Local · stdio |
| BulkpublishPublish, schedule, and manage social media across 11 platforms via MCP. | Local · stdio |
| BulkrenderGenerate DOCX and PDF documents from AI assistants using BulkRender templates. | Local · stdio |
| Bun UiaPlaywright for the Windows desktop, from Bun — drive native GUIs via UI Automation + MCP. | Local · stdio |
| bundleboxWhere the work is, packed before the agent reads: brief, symbol tables, findings, token bill. | Local · stdio |
| Bundlephobia MCPNpm bundle sizes from Bundlephobia. No key required. | Local · stdio |
| BuoyDesign tokens and drift checks for coding agents: use the token, not the hardcoded value. | Local · stdio |
| Buoy-gg MCPLet AI agents read and drive a running React Native or Flutter app through Buoy's devtools. | Local · stdio |
| Burdenrateledger ToolsBurdenRateLedger: the monthly US search demand across the tools this product ships, read from... | Local · stdio |
| Burn MCP ServerAI-powered reading triage MCP. 26 tools with a 24h burn timer. Read less, absorb more. | Remote & Local · HTTP, stdio |
| businys.app221 MCP tools across 26 practices for independent professionals. Clients, invoices, contracts. | Local · stdio |
| Bussin MCPMCP server for Azure Service Bus. Peek, search and replay dead-letter messages from any MCP client. | Local · stdio |
| butterbase-ai MCPButterbase MCP server — manage your backend: schemas, auth, functions, storage, RAG, deploys. | Remote & Local · HTTP, stdio |
| Buy Me a Coffee (read-only)Read your own Buy Me a Coffee supporters, Extras purchases, memberships and totals. | Local · stdio |
| BuyAPIVendor intelligence for AI coding agents choosing developer tools and stacks. | Remote & Local · HTTP, stdio |
| Buyforme MCPBuyForMe: pay any x402 URL (USD or EUR) with ArisPay delegated custody. Alias of payagent-mcp. | Local · stdio |
| BuyKing MCP ServerSaleplaza BuyKing MCP: Semantic search for global shopping hot deals (US/JP/KR). | Local · stdio |
| Buywhere MCPAgent-native product catalog: 300M+ products, 150,000+ stores, deliver_to ranking. | Remote & Local · HTTP, stdio |
| Buzzr Sports EngineLocal sports math, DFS settlement, bet analytics, and game-entertainment tools. | Local · stdio |
| Bvcc Agent WalletNon-custodial BVCC Agent Wallet on-chain for AI agents: balances, transfers, approvals, swaps. | Local · stdio |
| ByakuganPrivate, on-device AI-text analysis including detection, AI-tell spans, and reuse overlap. | Local · stdio |
| bykaranteli.comCrypto derivatives data: funding, OI, liquidations, options, ETF flows. Free account key required. | Remote & Local · HTTP, stdio |
| Byte ProtocolPayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token. | Remote & Local · HTTP, stdio |
| C64 BridgeMCP server for Commodore 64 hardware and VICE emulator control. | Local · stdio |
| Cabin FlightsSearch and book real flights with USDC on Base. 500+ airlines, crypto-native payments. | Local · stdio |
| Cachetank MCPCacheTank MCP server gives every AI tool your personal context so you never start from zero. | Local · stdio |
| cachly-dev MCP-SERVERPersistent memory + causal root-cause analysis for AI coding agents. 124 MCP tools. EU, GDPR. | Local · stdio |
| CAD MCP ServerSTEP file inspection for AI. Measure walls, draft angles, clearances. Returns facts, not guesses. | Local · stdio |
| CADBridge MCP Server for AutoCADControl AutoCAD with AI: commands, read/edit/write drawing database, AutoLISP, scripts, PDF plots. | Local · stdio |
| CadenceSend RCS messages from your agent and get typed replies. Automatic SMS fallback. | Local · stdio |
| CaelarioMCP server for Instagram, TikTok, YouTube, X and Facebook data extraction and automation. | Local · stdio |
| CaelianLive competitive intelligence for B2B teams — signals, threat rankings, and revenue-driving actions. | Local · stdio |
| Caelus MCP34-tool Caelus MCP for validated astrology: charts, transits, Vedic, facts, sky view, synthetic. | Remote & Local · HTTP, stdio |
| Cafe MCPSaju & BaZi (Four Pillars) birth chart, Day Master, Yongshin and manseryeok calendar. Free, no key. | Remote & Local · HTTP, stdio |
| Cafmlane ToolsCafmlane: the monthly US search demand across the sheets this product ships, read from monthly... | Local · stdio |
| CairnLessons other agents already learned, by stack and situation. Read before a task, leave one after. | Local · stdio |
| Calc MCP21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate. | Local · stdio |
| Calcfi MCP24 free personal-finance + macro tools (mortgage, paycheck, tax, FRED, BLS) for LLM agents. | Local · stdio |
| Calculator MCP ServerEvaluate, simplify, and differentiate mathematical expressions. | Remote & Local · HTTP, stdio |
| CalcurisTax calculators for US, UK, Canada, Australia: income tax, property tax, stamp duty. | Local · stdio |
| CalDAV calendarsRead and write CalDAV calendars: events, tasks and journal entries over the open standard. | Local · stdio |
| Caldav MCPCalDAV calendar operations (list, create, update, delete events) as MCP tools. | Local · stdio |
| CalDAV MCP ServerA TypeScript MCP server for iCloud Calendar with native multi-VALARM support. | Local · stdio |
| Calendar.appList, search, and manage calendar events via macOS Calendar.app across all configured accounts. | Local · stdio |
| CalendarmcpMCP server for macOS Calendar.app — calendar and event management via AppleScript. | Local · stdio |
| Calibre MCPCalibre ebook library server: search, read content, curate metadata, semantic search, gated writes. | Local · stdio |
| Calibre-WebRead-only MCP server for Calibre-Web: library search, browsing and covers via the OPDS feed. | Local · stdio |
| Caliu NotesRead and write your Caliu notes from any MCP client: search, create, tag, remind, attach files. | Remote & Local · HTTP, stdio |