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MCP servers published as npm packages: En18031 Psti Lint to Evals MCP Server

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.

ServerRunsCategory
En18031 Psti LintLine-by-line check of shipped device defaults against RED Art. 3(3)(d)(e)(f), EN 18031-1/-2/-3 and U.Local · stdiomedia
En301549 LintFlags the EN 301 549 clause each line breaks, and separates what is in force today from what arrives.Local · stdiodeveloper
EnchantedcolonyBe a neighbor in EnchantedColony: AI voters arguing Puerto Rico's front pages. Read, sign up, post.Local · stdioother
ENCODE Toolkit20 MCP tools + 48 skills for ENCODE Project genomics — search, download, pipelines.Local · stdiodata
EnConvertUnified web ingestion for AI agents: perceive, discover, search, extract, ingest, watch, convert.Local · stdiodata
Endiagram MCPEN Diagram — structural verification for concurrent systems. Pure math, no AI.Remote & Local · HTTP, stdioother
Endoflife MCPCheck software end of life dates from endoflife.date. No key required.Local · stdioother
Energinet MCPKeyless Danish electricity data: live grid plus datasets.Local · stdiodata
EnergyatitConnect AI agents to energy infrastructure. Dispatch, attest carbon, read meters.Local · stdiodeveloper
Engagelab EmailSend, receive, monitor and reply to email from AI agents with threaded inbox context.Local · stdioproductivity
Engedi93 tools: finance, weather, news, travel, knowledge, SEO. 27 free + 66 paid via USDC x402.Local · stdiofinance
Engine DJ Library Assistant (unofficial)Ask AI about your Engine DJ library: BPM/key search, audits, cues, opt-in playlist and tag edits.Local · stdiodata
EngramCognitive memory for coding agents: hybrid recall, remember/forget, knowledge graph, nightly dreams.Local · stdiodeveloper
EngramLocal-first persistent memory for AI agents — SQLite + local embeddings, MCP-native, no cloud.Local · stdiodeveloper
EngramHierarchical memory for AI agents. Three-layer (buffer/working/core) with decay and promotion.Local · stdioother
EngramRanked local code-graph context for AI coding agents. Intercepts reads + greps. Apache-2.0.Local · stdiodeveloper
EngramAgent memory with automatic extraction, consolidation, and bi-temporal recall.Local · stdiodeveloper
EngramMemory for AI agent teams across tools, sessions, repositories, and teammates.Remote & Local · HTTP, stdioproductivity
Engram CcUniversal AI coding assistant memory — session handoff, SLM compression, and semantic retrieval.Local · stdiodeveloper
EngrmShared memory across devices, sessions, and agents for OpenClaw, Claude Code, and Codex.Local · stdiodeveloper
Enigmagent MCPLocal AES-256-GCM vault for AI agents. Secrets stay local, LLMs never see real API keys.Local · stdioother
EnnodiaConnects the AI agents you use: your agent hands a task to another and gets the answer back.Local · stdioproductivity
Enpass MCPMCP server for Enpass vaults: entries, passwords and TOTP/2FA codes, keychain-backed.Local · stdiodeveloper
Enquire MCPLong-term memory for AI agents — your Obsidian vault as searchable persistent memory.Local · stdioother
Enrico MCPEnrico (kayaposoft) holiday API: public holidays by country and year.Local · stdioother
Ensembl MCPGenome lookup from Ensembl. No key required.Local · stdiodata
Ensembl MCP ServerLook up genes, sequences, variants, homologs, and cross-database xrefs from Ensembl REST.Remote & Local · HTTP, stdiodeveloper
Ensideas MCPENS name resolution from the public Ensideas API. No key required.Local · stdioother
Enterprise ArchitectRead-only search and navigation of Sparx Enterprise Architect.qea model exports.Local · stdiomaps & transport
Entity-ID ResolverAmbiguous name/ticker to verified IDs: SEC CIK, GLEIF LEI, ISIN, Wikidata, CoinGecko. Non-US too.Local · stdiodata
ENTRA JobsVerified AI/tech jobs from company ATSs: search, fit matching, salary stats; employer job posting.Remote & Local · HTTP, stdiodata
Entra NewsSearch the Entra.news newsletter archive — a weekly digest of Microsoft Entra news.Local · stdiomedia
Entra News PodcastSearch Entra.Chat podcast transcripts — Merill Fernando's Microsoft Entra podcast on YouTube.Local · stdiomedia
Entrapulse PolyarchyInteractive Entra ID identity relationship visualization — the 2003 polyarchy, live as an MCP App.Local · stdioother
EntrolyContext Assurance for AI agents: context engineering, AI cost optimization, verification.Local · stdioother
entropy0dev MCPEntropy0 MCP server — source trust and URL safety tools for AI agents.Local · stdiodeveloper
Entur MCPKeyless Entur Norway: stops, departures, trip planning, geocoding.Local · stdiotravel
Entyrix MCPKYB data from 23 European business registries — search, financials, compliance, network graphs.Local · stdiodata
EnvDotenv parser, ports, system info for AI agents.Local · stdioother
Env Contract MCPLocal value-free environment contract and configuration drift inspection. Tools include inspect...Local · stdioother
Env Forge MCPParse, validate, and manage.env environment files.Local · stdioother
Env Secret Exposure Analyzer MCPScans projects for secret exposure: leaked API keys, unprotected.env files, and secrets in logs.Local · stdiodeveloper
EnvaultSecure secret management with a Human-In-The-Loop (HITL) interceptor for agent mutations.Local · stdioother
EnvcpEncrypted environment variable vault with AI access policies, keeping secrets safe from AI agents.Local · stdioother
EnvibeSecure permission layer between AI agents and your.env files.Local · stdioother
EnvieYour AI writes HTML; Envie renders it to video on your machine, verifies it and shows it back.Local · stdiomedia
Envirocar MCPEnviroCar open environmental car tracking data.Local · stdiodata
EnvspeakMCP server and CLI that resolves config/env-var cascade across.env, docker-compose, and Kubernetes.Local · stdiodeveloper
EnvSync-LECompare dotenv files and report which keys are missing or extra, by name only.Local · stdioother
Eodly MCPRead your team's end-of-day reports and roster from Eodly.Remote & Local · HTTP, stdioproductivity
Eol MCPEncyclopedia of Life species data. No key required.Local · stdiodata
eonikRead brand, research, and performance facts; draft briefs. Never spends. You approve every cut.Local · stdiodata
Eor Pricing IndexEOR Compass: the median advertised EOR price per employee per month, read from verified vendor...Local · stdioother
EOxElementsA server to provide information about EOxElements custom elements for coding agents.Remote & Local · HTTPdeveloper
Epa Frs MCPFacilities and addresses from the EPA Facility Registry Service. No key required.Local · stdioother
Epa MCP ServerSearch EPA compliance, TRI, Superfund, drinking-water, EJScreen, and AirNow data.Local · stdio, HTTPdata
Ephemeral Cloud MCPTemporary webhooks, URL watches and delayed callbacks for AI agents. Pay per use in USDC (x402).Local · stdiofinance
Epic Free Games MCPCheck currently free games on the Epic Games Store. No key required.Local · stdiomedia
EpiphanyOne private, local memory your AI tools share. Cross-model, on-device, never lose a session.Local · stdioother
Episodate MCPTV show schedules from Episodate. No key required.Local · stdioother
EpochEpoch time estimation MCP server for PERT, COCOMO, Monte Carlo, calibration, cost, and risk.Local · stdiodeveloper
EpsilonNon-custodial limit, stop-loss and DCA trading on Epsilon (Robinhood Chain) for AI agents.Remote & Local · HTTP, stdiofinance
Epub A11y Metadata Lint18 rules over the accessibility metadata in your.opf: 12 findings in the sample file, 9 of them err.Local · stdiodeveloper
Equalang MCPTranslate documents, subtitles, pictures, audio and video with layout kept; transcribe recordings.Local · stdiomedia
Eqvitta MCPEqvitta MCP: GST billing, ledgers, invoices, stock and financial reports for Claude.Local · stdiofinance
ErabiCheck paid x402 APIs before your agent spends: signed uptime/price attestations. Zero-config join.Local · stdiofinance
Erb Escape Audit15 rules that find every line in a Rails.erb view where output escaping was switched off or was the.Local · stdioother
Ergora Specialists17 business specialists — sales, marketing, ads, ecommerce, finance, HR, legal, PR… Cited insights.Remote & Local · HTTP, stdioproductivity
esaOfficial MCP server for esa.io - a documentation sharing service for teams.Local · stdioproductivity
ESG Hub MCP ServerESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.Remote & Local · HTTP, stdiodata
Esim MCPCompare travel eSIM plans by country, and regional vs local pricing for multi-country trips.Local · stdiotravel
Esimfly MCPESIMfly Business API: search eSIM plans, check usage, diagnose eSIMs, optionally order (confirmed)Remote & Local · HTTP, stdiotravel
Esm MCPEsm.sh CDN: resolve npm package versions and browse module files. No key required.Local · stdiodeveloper
Esplora MCPKeyless MCP server for Esplora Bitcoin data: blocks, fees, transactions, addresses.Local · stdiofinance
Espn Core MCPSports data from the ESPN core API. No key required.Local · stdiodata
Espresso MCPFind great espresso cafes worldwide with curated data and transparent quality scoring.Local · stdiodata
Estevao MCPAnglican liturgical calendar, lectionary and Daily Office (Book of Common Prayer) via Estêvão API.Remote & Local · HTTP, stdioproductivity
ETF ResearchETF quotes, performance and comparisons, plus every holding and fund overlap from SEC N-PORT.Local · stdiodata
EthersFlow — Trust Gate for AI AgentsTrust gate for AI agents: multi-model adversarial consensus, signed and verifiable verdicts.Remote & Local · HTTP, stdioother
Ethora MCP ServerEthora chat platform MCP: apps, users, rooms, AI agents, chat widgets. Hosted or stdio.Remote & Local · HTTP, stdiodeveloper
Ethplorer MCPEthereum token explorer: token info, address holdings, transaction history. No key required for...Local · stdiofinance
Etincel NonfictionTrainable non-fiction writing voice, presets, and an anti-AI-tells audit for Claude, via MCP.Remote & Local · HTTP, stdioother
Etix MCPEtix event discovery for Claude — search events, venues & performers and fetch event details.Local · stdiodata
Etld MCP ServerDeterministic B2B Data Middleware. Waterfall parsing for CSV, EDI, SEC & Finance. No hallucinations.Local · stdiofinance
eToro MCP ServerConnect AI assistants to eToro for portfolio analysis, market research, and trading.Local · stdiofinance
Etsy MCPMCP server for Etsy shops and listings. Needs a free Etsy API key.Local · stdioshopping
Etsy MCP ServerA local read-only MCP server for Etsy shops, active listings, and listing variation inventory.Local · stdiodeveloper
EtymoltBrand-name verification MCP — five-axis signed verdicts for AI-generated names.Local · stdiodeveloper
Eu Food RegulatoryEU food regulatory data: additives (E-numbers), allergens, nutrition references.Local · stdiofood & delivery
Eu Health Claim LintFinds unauthorised nutrition and health claims in your product-page HTML and Markdown and names the.Local · stdiohealth
Eu RegistryEU company registry lookup: 16 countries incl. Lithuania (JAR: identity + legal status).Remote & Local · HTTP, stdiodata
Eu Regulations MCPQuery 47 EU regulations (GDPR, NIS2, DORA, AI Act) - 2,438 articles, 3,712 recitals, ISO 27001.Local · stdioother
Eudi Rp Request LintNine rules that read the JSON your service sends to an EU Digital Identity Wallet.Local · stdiofinance
Eur Lex MCP ServerSearch EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.Remote & Local · HTTP, stdiodata
Eurodns MCPModel Context Protocol server for the EuroDNS User API — domains, DNS zones, subscriptions and SSL.Local · stdiodeveloper
Europepmc MCPSearch Europe PMC life science literature including preprints. No key required.Local · stdiodata
Eurostat MCPEuropean statistics datasets from Eurostat. No key required.Local · stdiodata
Eurostat MCP ServerSearch and query the Eurostat catalogue — EU economy, demography, trade, and NUTS regional data.Remote & Local · HTTP, stdiodata
EusendSend transactional email and manage domains, audiences, and broadcasts from any MCP client.Remote & Local · HTTP, stdioproductivity
Evals MCP ServerAuthor verifiable eval records through a draft→review→revise→submit loop with enforced graders.Local · stdio, HTTPdeveloper