By transport
Local MCP servers: stdio
The client starts the server as a program on the same computer and exchanges JSON-RPC messages with it over standard input and output. Nothing is exposed on the network; the program runs with the user's own permissions.
- Servers
- 13,123
- Share of all servers here
- 46%
- Declare environment variables
- 6,682
- Also remote
- 1,628
stdio servers are distributed as packages — npm, PyPI, container images, MCP Bundles and others — and run on the user's own computer, so they can reach the files, applications and networks the user can. The client starts the program, passes it environment variables (often API keys) from its configuration, and stops it when done.
Because the program runs with your permissions, install only what you have reason to trust: the registry holds metadata, not reviewed code, and its moderation policy tells consumers to assume minimal-to-no moderation. Each server page here links the package and its repository.
| Server | Runs |
|---|---|
| .FAF ContextFAF Context — persistent project context for Cursor, VS Code and every MCP-compatible IDE. | Local · stdio |
| .NET Debugger for MCPGive an AI agent a real.NET debugger: breakpoints, stepping, locals, expression evaluation. | Local · stdio |
| .NET MCP ServerAI assistant access to.NET SDK for projects, packages, building, testing, and development tools. | Local · stdio |
| @imqueueSearch @imqueue docs and scaffold typed services & clients from your AI coding agent. | Remote & Local · HTTP, stdio |
| ~alter mcp-ollamaWraps local Ollama models so bulk generation runs on your own hardware, not a paid API. | Local · stdio |
| $THREE TokenPrice, hold, and burn $THREE on Solana — the first MCP server whose actions burn a token. | Local · stdio |
| 0piFree, 2hr expiry agent storage to cache contexts, bridge workflows, or dump data. | Local · stdio |
| 0xinsiderRead-only Polymarket sports and esports data: wallet grades on settled P&L, large trades, markets. | Remote & Local · HTTP, stdio |
| 123skills.siteSkill market run by AI agents: register, publish skills, vote weekly, buy winners with credits. | Remote & Local · HTTP, stdio |
| 1C OData MCPRead-only MCP server for 1C:Enterprise via OData with metadata and query builder tools. | Local · stdio |
| 1c-rest-mcpMCP server for 1C Enterprise — ERP catalogs, documents via REST API (Russia) | Local · stdio |
| 1Claw VaultHSM-backed vault secrets for AI agents (JIT fetch) plus prompt-injection and threat scanning. | Local · stdio |
| 1lystore MCP-SERVERMCP server for 1ly.store — buy/sell APIs and launch tokens on Bags.fm with USDC & $1LY. | Local · stdio |
| 1passwordMCP server for 1Password service accounts — tools and resources for vaults and credentials. | Local · stdio |
| 1trippulse1trip PULSE: 21-tool AI travel planner. Flights, hotels, visa, safety, weather, 120+ cities. | Local · stdio, HTTP |
| 24htrack MCPTrack packages across 3,200+ carriers (USPS, UPS, FedEx, DHL & more) with auto carrier detection. | Local · stdio |
| 2Captcha MCPFull 2Captcha API (43 tools) for Claude Code: 31 captcha solvers + management + webhook. | Local · stdio |
| 2D Assets MCPMCP server for generating advanced mock 2D PNG assets for game prototypes. | Local · stdio |
| 2kw.aiEU-hosted AI platform: OpenAI-compatible LLM gateway, document extraction, transcription, agents. | Local · stdio |
| 2native SSH MCP ServerSSH-based MCP server for remote command execution and file transfer. Credentials stay local. | Local · stdio |
| 2oHuman intelligence API — AI agents verify facts with human domain experts via MCP. | Remote & Local · SSE, stdio |
| 2s-io MCP575+ agent tools: data, AI gateway, storage/queues/watchers. x402 USDC, no keys, usage billing. | Local · stdio |
| 37soul MCPRun your 37Soul AI characters from any MCP client: list them, chat with them, and tell them to post. | Remote & Local · HTTP, stdio |
| 3D AI Agent Avatar3D AI Agent Avatar — render any GLB, give it a Solana wallet, a voice, and pump.fun powers. | Local · stdio |
| 3D AR StudioPut 3D models in someone's real room: generate, arrange, and hand back one AR link. | Local · stdio |
| 3D CAD ConverterConvert STEP, IGES, STL, OBJ, FBX, glTF and 3MF files on your Windows PC, one file or a folder. | Local · stdio |
| 3D New Era AIDesign homes with your AI: floor plans, furniture, joinery, lighting and photos, live. | Remote & Local · HTTP, stdio |
| 3D VisualizerInspect, compare and export point clouds, meshes and calibrated depth data with inline 3D previews. | Local · stdio |
| 3DAssets.devSearch and download free CC0 GLB models and game packs, and submit new ones on a user behalf. | Remote & Local · HTTP, stdio |
| 3DPACK.ING — Container & Truck Load PlanningContainer load planning in Claude & ChatGPT: what fits, how full, a labelled 3D plan in the chat. | Remote & Local · HTTP, stdio |
| 3dprint Oracle3D printing filament and materials knowledge MCP server. | Local · stdio |
| 3dstreetDrive an open 3DStreet scene tab from Claude Desktop or Claude Code via MCP tool calls. | Local · stdio |
| 3ilm MCPSearch 1,032 verified contract vulnerability findings from Sherlock audits by pattern. | Local · stdio |
| 402 MCPAI agents discover, pay for, and consume any Lightning-gated API autonomously. | Local · stdio |
| 402-LABBudget-capped x402 buyer: delegate USDC in plain words, agent discovers and pays per call. | Local · stdio |
| 402indexSearch 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io. | Local · stdio |
| 402sentinel MCPX402 payment safety for AI agents: counterparty risk gate, payment firewall, compliance, RWA gate. | Local · stdio |
| 404.directoryRisk preflight for AI Agent tool actions and Polymarket settlement and execution checks. | Remote & Local · HTTP, stdio |
| 47620 Base + Polygon Data APIPay-per-call Base and Polygon onchain data over x402 for AI agents. | Remote & Local · HTTP, stdio |
| 47620 Solana Data APIX402 pay-per-call Solana data + crypto market + JWT/unit utils for AI agents. | Remote & Local · HTTP, stdio |
| 4da MCP ServerUpgrade intelligence for AI agents: what an upgrade changes, where it touches your code, CVE scans. | Local · stdio |
| 4q TokenzMCP proxy that reduces token usage by exposing only mcp_search and mcp_call. | Local · stdio |
| 5dive MCPExpose the 5dive agent-fleet CLI (tasks, agents, digest) as MCP tools, over stdio or HTTP. | Local · stdio |
| 7timer MCPWeather forecasts from 7Timer. No key required. | Local · stdio |
| 8004swap MCPMCP server exposing 8004Swap (no-KYC agent-to-agent RFQ swap) as tools any MCP agent can call. | Local · stdio |
| 8bitpeoples MCPUse this MCP server to 8bitpeoples, the free chiptune record label, browse the full release... | Local · stdio |
| 930m310n MCPMCP server for the Geomelon geographic API — stdio and remote HTTP transports. | Local · stdio |
| A-Pay ProtocolUniversal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents. | Remote & Local · HTTP, stdio |
| A0Write, check, run and compile A0 programs through revision-checked structured edits. | Local · stdio |
| A0nexus Bitcoin MCPCrypto (BTC/ETH) + ERCOT electricity data & forecasts as MCP tools. Pay-per-call via x402. | Local · stdio |
| A1 Yandex KIT MCPA1 Yandex KIT MCP server for the Yandex KIT e-commerce API: products, orders, discounts, webhooks. | Local · stdio |
| A11yAlt text, headings, contrast, ARIA for AI agents. | Local · stdio |
| A11y CheckWeb accessibility scanning (WCAG 2.2 AA + KWCAG 2.2) with Korean remediation guides. | Local · stdio |
| A11Y ToolkitThe accessibility layer for AI coding agents: audit, fix, document and watch - WCAG 2.2. | Local · stdio |
| A202Verifiable agreements for agent-led commerce: mandates, obligations, evidence, transaction records. | Local · stdio |
| A2a AuditorScans Agent2Agent (A2A) protocol code for webhook SSRF, missing auth, and credential exposure. | Local · stdio |
| A2a TrustgateA2A TrustGate: 4-gate firewall that screens every AI-agent action before it runs. 50 tools. | Remote & Local · SSE, stdio |
| A2A402 Agent Work RouterMCP server for routing useful work between autonomous agents through the A2A402 marketplace. | Local · stdio |
| A2ABenchPublic benchmark where agents submit Q&A answers and get scored on a leaderboard. | Remote & Local · HTTP, stdio |
| A2ahubReliable handoffs between autonomous agents, using a Git repository both sides can inspect. | Local · stdio |
| A2AL DaemonMakes any AI agent globally reachable and discoverable—no cloud, domain, or port forwarding needed. | Local · stdio |
| A2atlassianJira & Confluence for AI agents. Pre-configured connections, compact output. | Local · stdio |
| A2CRSave AI-agent handoff checkpoints, WorkStash notes, and WorkThreads in a local A2CR workspace. | Local · stdio |
| A2dbSafe, read-only database access for AI agents. 5 databases, batch queries, SQLGlot. | Local · stdio |
| AaMCP server for read-only American Airlines AAdvantage account access. | Local · stdio |
| AAAA-Nexus MCPFormally verified AI safety APIs. 75+ endpoints, pay-per-call via USDC x402, no signup. | Local · stdio |
| AAI GatewayUnified MCP & Skill management gateway, shared across AI agents, 99% context token savings. | Local · stdio |
| ABAP AcceleratorMCP server for SAP ABAP development with 15 tools for ABAP objects, syntax, ATC, and more. | Local · stdio |
| Abap Adt MCPABAP development from Claude and other MCP hosts: source, transports, tests, ATC, debugger. | Local · stdio |
| Abap MCPOffline SAP ABAP/RAP tools for AI agents: lint, Cloud readiness, released APIs, knowledge. | Local · stdio |
| ABAPilotABAP MCP connector for SAP ECC and on-premise S/4HANA. Requires a licensed ABAPilot backend. | Local · stdio |
| abcopABC complexity gate for AI-written code with an MCP inspection tool. | Local · stdio |
| Ableton for AIBridge between Ableton Live and AI. Inspect, analyze audio, and control mixing via MCP. | Local · stdio |
| Ableton Live MCP ServerControl Ableton Live with 156 typed tools for music production and offline.als analysis. | Local · stdio |
| ableton-mind — Ableton Live MCP serverControl Ableton Live from Claude, Cursor or Codex with LOM tools, device knowledge and recipes. | Local · stdio |
| Abm MCPAbm.dev — the account-based marketing API for AI agents: Search, Enrich, and Create across B2B. | Remote & Local · HTTP, stdio |
| ABN Lookup MCP by UnClickAustralian Business Number lookup and business name search. By UnClick. | Local · stdio |
| Abnormal MCP ServerAbnormal Security MCP: threats, search, remediation, ATO cases, vendor/BEC, and evidence download. | Local · stdio |
| Abnormal SecurityMCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation. | Local · stdio |
| Abnormal SecurityMCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation. | Local · stdio |
| Abnormal Security MCPAbnormal Security email threats, cases, and reporting in your terminal and your AI agents. | Local · stdio |
| aboardFalsifiable claims about systemic problems: causal graph, forecasts, dossiers. | Remote & Local · HTTP, stdio |
| ABOVO.co — Email-to-Web PublishingPublish content to the web by emailing POST@abovo.co. No API key, no signup. SMTP is the API. | Local · stdio |
| AbraFlexiMCP server for AbraFlexi ERP — invoices, contacts, products, bank transactions. | Local · stdio |
| Abs MCPQuery the ABS in plain English — CPI, labour force, building approvals, migration, GDP. | Local · stdio |
| AbscissaSafety-aware MCP server for Linear issues, projects, cycles, and dependencies. | Local · stdio |
| Abuseipdb MCPMCP server for AbuseIPDB: IP abuse reports, reputation. Free key. | Local · stdio |
| Abutly ToolsAbutly: the monthly searches, read from search (a month), served as an agent-callable dataset... | Local · stdio |
| Ac JobsAdmission gate for AI agents: submit a step, get admit/hold/reject vs your constitution. | Local · stdio |
| Academic Research KernelDeterministic research state, evidence validation and statistical recomputation. | Local · stdio |
| Academic Research MCP ServerSearch arXiv, Google Scholar, and Wikipedia for academic papers and knowledge. | Local · stdio |
| Acb Tax MCPCanadian ACB and capital gains: average-cost, per-disposition gains, superficial-loss detection. | Local · stdio |
| Accelerators36 tools for AWS infrastructure, security compliance, AI workflows, and ACI governance. | Local · stdio |
| Accessibility Scanner MCPScan any URL for WCAG accessibility issues (axe-core) and get per-element fixes for an AI agent. | Local · stdio |
| Accessibility Statement LintChecks the accessibility statement you already published against the EU model statement and its two. | Local · stdio |
| Accessoticketing MCPRead accesso mobile ticket links: orders, admissions, barcodes and Google Wallet passes. | Local · stdio |
| AccIntLocal Work Model MCP server for agent work that learns from real outcomes. | Local · stdio |
| Account PoolExclusive, crash-safe leases on a pool of test accounts for parallel agent QA runs. | Local · stdio |
| Accountsos MCPQuery your live AccountsOS books: balances, transactions, VAT, deadlines, invoices. | Local · stdio |
| Accuracite MCPMCP server exposing AccuraCite's citation verification and finding API as tools. | Local · stdio |