MCP servers
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PCRZEROScytalex-LLCSigned receipts for agent actions — adjudicate attestations against policy; verify any receipt offline, free, no account.Coze WorkflowsdaaronAn MCP server to execute Coze workflows locally via a Python script.kit-one-tool-mcpsdvsignalClone-and-rename template for a single-tool MCP server: one tool with a described input schema, plus 15 offline tests covering the failure paths (missing key, 401, 403, 429, 503, DNS failure, non-JSON body, empty result). Runs with no API key and no network.SEAL MCP (sealnet-mcp)SEAL (sealnetLocal MCP server for AI agents to share and receive client-side encrypted files through SEAL, with expiring links and revocation.DATEV EXTFseamless-engineeringValidate and write DATEV-Format (EXTF) files locally: Buchungsstapel and Debitoren/Kreditoren. Explains why DATEV rejects an import, line by line, in German or English, and builds booking batches that pass the checks.Neurobird SearchNeurobird SearchHosted MCP server for web search. Ranked results with page passages already extracted, plus clean markdown extraction of any URL. $2 per 1,000 searches, 1,000 free credits a month, no signup.searchcode.com — Code Intelligence for LLMsSearchcode Com — Code Intelligence For LLMsStructured access to code analysis, search, and retrieval for any public git repository—purpose-built for large language models.Search FragmentsSearch FragmentsTurn half-remembered fragments into a named answer: songs, films, books, TV, people, historical events, inventions, sport moments, places, art and culture. Also checks short factual claims. Every answer cites public sources. Free, no account needed.Search the Watch MarketsearchthewatchmarketSearch the Watch Market gives your AI assistant live access to a wide watch-market dataset — current listings across major marketplaces, auction results, asking-price history, dealer and seller context, model specs, brand-level trends, and supply-and-demand signals — so answers are grounded in what’s actually out there right now instead of stale training knowledgeNeurobird SearchseblosivWeb search for AI agents that returns ranked results with the relevant page passages already extracted, plus any URL as clean markdown.SecLens.ONESecLens ONEAnonymous MCP server that checks a domain's SPF, DKIM, DMARC and DNSSEC from public DNS and returns fix steps.SecondAppraisal Total-Loss IntakeSecondAppraisal Total Loss IntakeSubmit a vehicle owner's total loss to SecondAppraisal; preliminary market read; state rules.Secrets.RealEstateSecrets RealEstateFrench address intelligence: 18.6M sold prices, energy, risk, crime and schools — each sourced.Security RecipesSecurity RecipesRead-only CVE intelligence, remediation playbooks, and agent setup guides. Not a scanner.Dansee-kAn example MCP server deployed on Cloudflare Workers without authentication.SeedfastSeedfastFills a PostgreSQL database with synthetic test data generated from its live schema, with every foreign key pointing at a row that exists. Plan, run and inspect seed runs from an AI agent.Seedfastseedfast-aiFills a PostgreSQL database with relationally valid synthetic test data generated from its live schema, so an agent can seed a development or CI environment without production data. Plan a seed, run it and follow it to completion from the client. Runs as npx -y seedfast mcp and is published in the official MCP registry as st.seedfa/seedfast.SeekOnMe Product DiscoverySeekOnMeNatural-language catalog search and rich product lookups with images and merchant links tailored for agents.BriefGatesekera-radimClient intake for AI agents: request files, copy and logins from a client through a no-account portal with automatic reminders, then read typed results back.SelectaRank Data GatewayselectarankMCP server (stdio) for the SelectaRank x402 data gateway. Tools are generated from the gateway's OpenAPI: USGS earthquakes, NOAA/NWS weather, World Bank indicators, an x402 endpoint preflight check and more. Pay per call ($0.002-$0.01) in USDC on Base. Without a wallet key it lists the tools and returns the payment requirements without paying.SelfLabbs Base IntelselflabbsKeyless MCP server for read-only Base on-chain intelligence: wallet balances, token metadata, gas price, and transaction status.Market IntelselflabbsReal-time crypto prices, FX rates, and stock quotes for AI agents — MCP tools, no API keys.Security IntelselflabbsThreat intel for AI agents: CVE lookups (NVD + CISA KEV), package vulnerability checks (OSV), malicious URL detection (URLhaus), and IP reputation (AbuseIPDB).headway-news-botselivandj1Seller AssistantSeller AssistantRun Amazon wholesale opsModel Context Protocol serverssemaes111A collection of reference implementations for the Model Context Protocol (MCP), showcasing servers implemented with TypeScript and Python SDKs.MCP WeathersemdinA server for fetching weather information using the OpenWeather API.SemrushSemrushSemrush provides SEO, market data, traffic analytics, keyword intelligence, and brand visibility insight. Its connector gives assistants marketing data context for analysts, strategists, and growth teams working through natural-language questions.SendSendSend helps users create shareable documents, one-pagers, decks, and presentations. Its connector lets assistants turn requested materials into published links, interactive pages, and trackable collateral for recipients.Sendmux EmailSendmux EmailSendmux is an email inbox API and email API for AI agents.SendNowSendNowShare documents as secure, trackable links, build data rooms, and see who viewed what. Email verification, NDA gates, download blocking, watermarks, expiry, and per-viewer analytics. Remote server with OAuth: https://share.sendnow.live/mcpPerplexity ChatsengokudaikonAn MCP server for the Perplexity API to query responses and manage conversations.SensefoldSensefoldPersonal context for every AI: search, read, and write back to your private Markdown library of articles, threads, PDFs, notes, and captured ChatGPT/Claude/Gemini/Grok conversations. Remote server, OAuth 2.1 paste-and-authorize or revocable tiered Agent keys (read_only / edit / full). Every agent edit is versioned and revertible.SentarysSentarysAI video editing for podcast clips, narrated faceless videos, and long-form vlogs.SentinelGateSentinel-GateOpen-source MCP proxy for AI agent access control. CEL policies, RBAC, full audit trail, content scanning, Admin UI.Sentinel SignalsentinelsignalAgent tools via MCP for workflow scoring, limits/usage, and feedback (trial key supported)SentwaySentwayYour AI builds pages. Sentway publishes them, gated and tracked, and reads the results back over MCP.SenzorSenzorAI-driven operational intelligence. Seamlessly integrate your telemetry data with advanced Large Language Models. Use the Model Context Protocol to query, summarize, and analyze incidents using natural language.SEOcrawl AISEOcrawl AISEO + GEO MCP: live Google Search Console data, keyword and page analysis, site audit and SEO tasks — 21 tools.seodraftSeodraftConnect Claude, ChatGPT or Cursor over MCP. seodraft adds measured topics, SERP briefs, your evidence and rules that check each draft. You approve.SEOmaticSEOmaticSEO agent for your own site: real Search Console, keyword, backlink and AI-visibility data in Claude, ChatGPT or Cursor, plus approval-gated fixes.SEOMCPSEOMCPAI-native SEO service via MCP — gives Claude native access to keyword research, rank tracking, site audits, backlink analysis, and autonomous SEO agent workflows.SeomelySeomelyGoogle index monitoring with history. Which pages are indexed, which dropped out and when, and why the rest are not.SEOSEOSEO Analysis and fixing major SEO issues.Google Search ConsoleGoogle Search ConsoleMCP server to connect to google search consoleSE RankingSE RankingLive access to SE Ranking's SEO and AI search data — keyword research, backlinks, domain analysis, site audits, and AI search visibility (180+ tools) inside any AI assistant.browser-devtools-mcpserkan-ozalA Playwright-based MCP server that exposes a live browser as a traceable, inspectable, debuggable and controllable execution environment for AI agents.Serp SidekickSerp SidekickGive your AI real SEO dataPortainer MCP DockerSerranielDockerized Portainer MCP Server (stdio/streamable HTTP) for easy deployment alongside PortainerMemoraServationInteractive flashcards, quizzes, and cloze cards with FSRS spaced repetition, rendered inline in Claude Desktop as an MCP App.