stdio (local process) · page 122 of 132

Local MCP servers: stdio: Unity MCP to V8 Cpu Profile Decoder MCP

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.

ServerRunsCategory
Unity MCPUnity Editor automation for AI agents: scenes, prefabs, assets, shaders, Timeline, tests, builds.Local · stdiodeveloper
Unity MCPMake 3D games in Unity Engine with AI. MCP Server + Plugin for Unity Editor and Unity games.Local · stdiomedia
Unity MCP ServerMCP server for Unity: 130+ tools, Unity 6 skills, AI/ML discovery. No Editor.Local · stdiodeveloper
Univercity MCP8-dimension business diagnosis with Revenue Leak Score and triple-option recommendations.Remote & Local · HTTP, stdioother
Universal Brute WorkpackStdio-first Agent MCP workpack for local tools, audit chains, search, memory, and pipelines.Local · stdiodata
Universal Connector MCPSecurity-first MCP server that connects any OpenAPI, GraphQL, gRPC or SOAP API to AI agents.Local · stdiodeveloper
Universal Db MCPSecurity-first MCP server for PostgreSQL, SQLite, MySQL, DuckDB with SQL injection prevention.Local · stdiodeveloper
Universal File Opener CLIInspect files, extract content and make guarded edits locally. Linux x86_64, glibc 2.35+.Local · stdiodeveloper
Universal Game ModderLocal MCP server: detects a game's engine and gives agents native binary analysis/patching tools.Local · stdiomedia
Universal Research MCPProvenance-first research memory with hash-bound evidence and a fail-closed eligibility gate.Local · stdiodata
Universal Screenshot MCPMCP server for web page and cross-platform system screenshots (macOS, Linux, Windows)Local · stdiodeveloper
UnlimitedTTSQuote-first, non-custodial x402 text-to-speech with spend policy, MP3 artifacts, and receipts.Local · stdiomedia
UnlinkedMCP server that brings your LinkedIn professional profile and experience into your context.Local · stdiodeveloper
UnlocalhostDeploy localhost to a private, authenticated link from your AI coding agent.Local · stdiodeveloper
UnmarkdownThe document publishing layer for AI tools. Convert markdown to 6 destinations, 62 templates.Remote & Local · HTTP, stdioproductivity
unmarkingInspect and remove C2PA content credentials from AI-generated images, video and audio. Free, no key.Remote & Local · HTTP, stdiomedia
Unofficial Apple Music for macOSAsk for a playlist. Get a real one, playing in Apple Music — no account, nothing stored.Local · stdiomedia
unorouter.comSearch 200+ UnoRouter models (most free), check pricing, and chat through one key.Remote & Local · HTTP, stdiodata
UnpaywallOpen-access availability for 120M+ scholarly articles via the Unpaywall API.Local · stdioother
Unpaywall MCPOpen access links from Unpaywall. No key required.Local · stdioother
UnphurlURL intelligence for AI agents and developers. 16 tools, 25 signal weights, 20 free checks.Remote & Local · HTTP, stdiodeveloper
Unpkg MCPPackage file metadata from the unpkg CDN. No key required.Local · stdioother
Unraid RMCPRust MCP server and CLI for Unraid GraphQL operations across NAS, Docker, VM, and storage workflows.Local · stdiodeveloper
Unraid RMCPRust MCP server and CLI for Unraid GraphQL, NAS, Docker, VM, and storage workflows.Local · stdiodeveloper
Unreal Engine API DocumentationAccurate UE5 C++ API docs for AI agents. Prevents hallucinated signatures and includes.Local · stdioproductivity
Unreal Engine MCPAutomate the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more.Local · stdioother
unreal-mcp-ue4UE4.27 MCP server for controlling Unreal Editor sessions over Python Remote Execution.Local · stdiodeveloper
unreal-mcp-ue4-for-ohdUE4.25 MCP server for Unreal Editor via Python Remote Execution (OHD mod-kit retarget).Local · stdiodeveloper
UnrealMCP — AI Bridge for Unreal Engine 5Control the Unreal Engine 5 editor from any MCP client: Blueprints, materials, Niagara.Local · stdioother
UnrealUGCGenerate and manage AI UGC video ads through eleven typed MCP tools.Remote & Local · HTTP, stdiomedia
Unsplash MCP ServerMCP server for the Unsplash API: search & fetch photos with attribution + download tracking.Local · stdiodeveloper
unstringifyFix broken JSON by line, validate, convert, read CSV/NDJSON/logs as records, unpack, compare. Local.Local · stdiodeveloper
UnswellOffline self-checking to reduce AI-style wording in source code and documentation.Local · stdiodeveloper
UntappdMCP server exposing Untappd API tools for AI agents — full v4 read API coverage.Local · stdiodeveloper
Untappd MCPUntappd MCP — search beers/breweries/venues, read check-ins & wishlists, post check-ins.Local · stdiodata
Untappd MCP by UnClickUntappd beer and brewery search, details, and activity. By UnClick.Local · stdiodata
UnwrittenCatches files and C# members you forgot to change, learned from your repo's git history.Local · stdiodeveloper
upAPIAll public upAPI operations as MCP tools: web scraping, search, screenshots, PDF, OCR and more.Remote & Local · HTTP, stdiodata
Upbit MCPKorean crypto prices from Upbit. No key required.Local · stdiofinance
Upcitemdb MCPBarcode product lookup from UPCitemdb. No key required.Local · stdiodata
Uphealth SignalThe adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.Remote & Local · HTTP, stdiohealth
upkeep-mcpWebsite maintenance checks: domains, SSL, uptime, technical SEO and accessibility.Local · stdiodata
UplinkAutomate a real, logged-in browser on your own device — no stored credentials, no bot detection.Local · stdioother
UploadcheckQC videos, podcasts, and clips before upload — timestamped flags with agent-ready repair prompts.Local · stdiomedia
UploadkitUploadKit MCP — 40+ upload components, route scaffolds, BYOS setup, full docs search.Local · stdioproductivity
uploads.shHost files from coding agents; stage on a branch and attach to GitHub PRs.Remote & Local · HTTP, stdiodeveloper
UpnextOne audio queue across Spotify, the browser, local files and whatever is already playing.Local · stdiomedia
Upnote Lens MCPRead, search, and summarize your UpNote notes — and create new ones.Local · stdioproductivity
Upres CliUpRes MCP: list models, credits, submit 4K image and video upscale jobs.Local · stdiomedia
UpshiftAudit a site's structured data and llms.txt, match a trade to a template, and quote real prices.Remote & Local · HTTP, stdiodata
upstash MCP-SERVERManage Upstash databases and resources through the Upstash Developer API.Local · stdiodeveloper
UptierMCP-powered To-Do application with task prioritization.Local · stdioproductivity
Uptime MCPCheck website availability, latency, and TLS certificate expiry locally. No key required.Local · stdioother
Uptimebolt MCP ServerAI-powered infrastructure monitoring — health, incidents, predictions, RCA, deploy safety.Local · stdiodeveloper
Uptimerobot MCPUptime, port, TLS and DNS checks for any site - no API key.Local · stdioother
UpToCodeEvidence-backed architecture-quality analysis for Python agent applications.Remote & Local · HTTP, stdiodeveloper
UptyBotsUptime monitoring: create and manage HTTP, API, SSL, ping, port and domain checks.Remote & Local · HTTP, stdiodeveloper
UpworkMCP server for Upwork job discovery, client analysis, and proposal assistance.Local · stdiodeveloper
Uranium MCPMCP for Uranium NFT tools to mint, list, and manage digital assets on the permaweb.Local · stdioother
Urdb MCPSearch URDB for product integrity scores, enshittification events, and change tracking.Local · stdiodata
Url Ai MCPUrl Ai MCP server. Tools: parse url, shorten url data, check url safety. Built by MEOK AI Labs.Local · stdiodeveloper
Url Manager MCPAgent-first bookmark management with auto-registration, categories, tags, and shared collections.Local · stdioother
URL Safety Validator MCPAI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.Remote & Local · HTTP, stdioother
url2mdPDFs, JavaScript pages and ordinary HTML as clean Markdown. Follows robots.txt per RFC 9309.Remote & Local · HTTP, stdioproductivity
URLs-LEExtract URLs from documentation, configuration and code, with their protocol and position.Local · stdiodeveloper
Urlscan MCPURL scanning from urlscan.io. No key required.Local · stdioother
Urlsnap MCPScreenshot, PDF, and markdown extraction from any URL via Claude Desktop and Claude Code.Local · stdioproductivity
US Code of Federal RegulationsLook up, search, and track changes to the US Code of Federal Regulations (eCFR).Local · stdiodeveloper
Us Eli MCPUS law MCP: bills, US Code, Federal Register, executive orders, case law (state+federal), eCFR.Local · stdiodata
US Government DataUS government open-data APIs as MCP tools: EPA, FEMA, USGS, NOAA, FDIC, HUD, CMS and more.Local · stdiodata
US MacroUS macroeconomic data from FRED: inflation, employment, growth, housing, rates, recession signals.Local · stdioreal estate
Us Regulations MCPUS compliance: HIPAA, CCPA, SOX, GLBA, FERPA, COPPA, FDA, EPA, FFIEC, NYDFS + 4 state privacy laws.Local · stdiohealth
Usable Browser AgentMCP server and Firefox add-on that let an AI agent drive your real, logged-in browser. Free tier.Local · stdiodeveloper
Usafiri MCPMCP server for transport coordination in East Africa (usafiri = transport)Local · stdiodeveloper
Usaspending MCPUSAspending federal agencies and awards, plus nonprofit filings.Local · stdioother
Usaspending MCP ServerAccess US federal award, recipient, agency, and spending analytics data from USAspending.gov.Remote & Local · HTTP, stdiodata
USASpending.govUSASpending.gov awards, subawards, recipients, agencies, and federal accounts. 55 tools.Local · stdioother
Uscore Profile Gap LintFinds the FHIR R4 resources still pinned to US Core 3.1.1 or 5.0.1, and the USCDI v3 Patient element.Local · stdiohealth
Usda MCP ServerSearch foods, compare nutrients, and look up the full USDA FoodData Central database.Remote & Local · HTTP, stdiodeveloper
useqr-mcpStatic QR PNG/SVG for agents. Designer and dynamic codes live at useqr.co.Remote & Local · HTTP, stdioother
User IntuitionRun customer research studies, recruit participants, monitor interviews, and review reports.Remote & Local · HTTP, stdiodata
User PromptAn MCP server that enables AI agents to ask users clarifying questions via pop-up terminal windows.Local · stdiodeveloper
UsercallGive your AI agents the ability to ask real users why.Remote & Local · HTTP, stdioother
useVyre ContextUseVyre component context for AI agents — valid props, variants, anti-patterns, and design tokens.Local · stdioother
USGS Earthquakes MCP by UnClickRecent earthquakes worldwide and by region, with detail, from USGS. No API key. By UnClick.Local · stdioother
Usgs Water MCPUse this MCP server to USGS streamflow, gauge status, and water observations. Tools include get...Local · stdiodeveloper
Usgs Water MCP ServerQuery real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.Remote & Local · HTTP, stdiodeveloper
USGS Water Services MCP ServerUSGS Water Services streamflow, flood stages, and peak events via waterservices.usgs.gov.Local · stdiodeveloper
USRCP — User Context ProtocolEncrypted local ledger of structured user state, shared across every MCP-aware AI tool.Local · stdiofinance
Utilia Solana Transaction EvidenceSolana transaction diagnosis, simulation, token-risk evidence, and priority fees via x402 USDC.Remote & Local · HTTP, stdiofinance
Utility Network MCPEsri ArcGIS Utility Network tools: trace, subnetworks, dirty areas, associations.Local · stdioother
Utuh watcherSweep bonded completeness claims on Creditcoin against Ethereum, and refute one that omits an event.Local · stdiofinance
uuaid MCPPermanent identity + encrypted, quantum-ready memory that outlives the session, for any AI agent.Local · stdioother
UuidMCP server for generating UUIDs (v4, v7), ULIDs, nanoids, random IDs.Local · stdiodeveloper
Uuid Ai MCPAI-powered uuid ai MCP server for agents. Supports generate uuid, parse uuid, generate ulid. By.Local · stdiodeveloper
Uuid MCPGenerate UUIDs and validate formats locally. No network and no key.Local · stdioother
Ux MCP ServerUX toolkit: 28 knowledge resources, 23 analysis tools & 4 workflow prompts for any MCP client.Local · stdiodeveloper
uxlintAudit a site's UX the way a design-literate reviewer would, with a concrete fix for every finding.Local · stdioother
UxloomAgent-native UI/UX design validation: journey completeness, state coverage, and WCAG checks.Local · stdioother
V8 Cpu Profile Decoder MCPMCP server that decodes V8 CPU profiles into token-efficient bottleneck summaries for AI agents.Local · stdiodeveloper