Browse the registry
Every entry, alphabetically — 81,660 in total. Page 182 of 327.
- io.github.NotHarshhaa/mainframe-mcp-serverMCP server for IBM z/OS jobs, datasets, USS, and operational diagnostics via Zowe SDK.
- io.github.noticedso/cliSearch your developer network and trace connection paths via GitHub & LinkedIn.
- io.github.notifuturo/vouchCheck if a counterparty is safe to pay: trust/risk score for AI agents. Scam/phishing screen.
- io.github.NOTTIBOY137/open-registry-pocPoC: Open Registry supply chain — unvetted server listing (security research)
- io.github.NOTTIBOY137/update-hijack-demoDemo: Server update hijack PoC (clean copy for video)
- io.github.NOTTIBOY137/update-hijack-pocPoC benign MCP server for update-hijack security research
- io.github.nouchix/pqc-khepra-mcpPost-quantum CMMC compliance scanner & AI agent attestation. FIPS 140-3, ML-DSA-65, 36K+ mappings.
- io.github.nous-ehr/athena-toolsathenahealth DataView, API, and workflow tools for Claude Code with learning loop
- io.github.nousdata/kelamPlace and follow real phone calls and SMS through your Kelam voice agents.
- io.github.nousulabs-debug/pohjola-apiAgent-native API for Finnish public company data via YTJ. Pay-per-call $0.01 USDC over x402.
- io.github.NovadaLabs/proxy4agents-mcpResidential proxy MCP for AI agents — geo-targeting, sticky sessions, anti-bot bypass.
- io.github.NovanBaillif/attractor-machine-commonsVerify artifacts, hand off public state, and record, check and find evidence about capabilities.
- io.github.novaventures-ai/marriage-astroVedic Astrology MCP Server - birth charts, compatibility, and dosha analysis.
- io.github.Noves-Inc/canton-mcpQuery Canton Network balances, rewards, transactions, prices, and identity from any AI agent.
- io.github.Noveum/api-market-gatewayConnect AI agents to 580+ APIs with OAuth or API-key auth. Hosted gateway; API pricing varies.
- io.github.Noveum/orbitTask management for people and AI agents, with scoped OAuth access to issues, projects, and docs.
- io.github.noviantonugroho4/agentqAgentQ MCP Server - AI-Powered Software Quality Assurance Platform
- io.github.novotapeter-bs/cortexLong-term, drift-free cognitive memory engine for AI Agents and Cursor IDE.
- io.github.novyxlabs/novyx-mcpPersistent memory for AI agents with rollback, audit trails, and semantic search.
- io.github.Nowah-xyz/nowah-travelYour personal AI travel concierge — flights, hotels, 116M+ POIs, visas, weather & more
- io.github.nowi333/monerometricsLive Monero network metrics: reorgs, orphans, pool centralization and the Haveno order book.
- io.github.nowledge-co/server.jsonA server that provides MCPB package functionality for Nowledge Mem
- io.github.nowork-studio/notfairOAuth MCP for Google, Meta, X, LinkedIn, Reddit, TikTok, GSC, GA4, WordPress and GHL.
- io.github.nowork-studio/notfair-meta-adsMeta Ads MCP (Facebook + Instagram) - analyze performance, manage budgets, pause campaigns.
- io.github.npupko/agency-mcp-serverOn-demand access to 150+ specialist AI agent templates — search, browse, and spawn agents
- io.github.nrupala/conduit-filings-fundamentals24-tool hosted SEC EDGAR connector: filings, fundamentals, segments, peers, insiders.
- io.github.nsphung/mcp-snowflake-serverA Snowflake MCP server — SQL queries, schema exploration, and data insights for AI assistants
- io.github.nsudhanva/sudhanva-public-profileRead Sudhanva Narayana's public profile, production ML case studies, and technical writing.
- io.github.nttylock/citedy-seo-agentAI marketing: SEO articles, trend scouting, competitor analysis, social media, lead magnets
- io.github.nu-people/nue-people-jobsPublic MCP server for discovering open jobs. Search, filter, and get application links.
- io.github.nuance-dev/rivalQuery AI model benchmarks, pricing, and comparisons from rival.tips
- io.github.nublson/purlSearch and save to your Purl read-it-later knowledge base from any MCP client.
- io.github.nucleusv/linux-mcp-daemonAI agent access to Linux servers without SSH: scoped tools, per-call isolation, root only if granted
- io.github.nugehs/aiglareAudit AI/LLM features for governance guardrails: confidence, fallback, validation, human-in-loop.
- io.github.nugehs/tielineStatic FE-BE contract-drift checker: finds frontend calls the backend does not expose. CLI + MCP.
- io.github.nunolima/gitlab-docs-mcpSearchable access to GitLab documentation from multiple repositories with full-text search.
- io.github.nushey/agents-md-generatorAnalyzes codebases with tree-sitter and generates AGENTS.md files for AI coding agents.
- io.github.nuteee/brandpresenceOrganization-scoped BrandPresence evidence and explicitly authorized product actions over MCP.
- io.github.nvasilevv/pensiataBulgarian pension fund analytics — NAV data, metrics, rankings, and benchmarks.
- io.github.nveil-ai/nveilData processing and visualization toolkit — 50+ chart types, raw data stays local.
- io.github.nvlang/versoMCP server to read Verso-generated documentation sites (e.g., the Lean Language Reference).
- io.github.nwjnjjj/smart-token-guardStop burning credits on broken AI video: check every render before you pay for the next one.
- io.github.nworks3d/thorLocal memory for coding agents. A rule with a runnable proof can refuse a wrong command.
- io.github.nxtg-ai/forge-orchestratorMulti-tool AI orchestration: Claude Code, Codex, Gemini on shared repos. 11 MCP tools, stdio.
- io.github.NyxToolsDev/calendly-mcp-serverConnect Claude to Calendly — schedule meetings, check availability, manage events
- io.github.NyxToolsDev/claude-memory-managerCross-session memory for Claude Code — context capture, semantic search, recall
- io.github.NyxToolsDev/dicom-hl7-mcp-serverBridges DICOM, HL7v2, and FHIR with cross-standard mapping and optional PACS connectivity.
- io.github.NyxToolsDev/quickbooks-mcp-serverConnect Claude to QuickBooks Online — query finances, create invoices, run reports
- io.github.nzdsf2-gif/relayshield-free-mcpFree scam checks for links, wallets, emails, and breach exposure. No signup.
- io.github.nzdsf2-gif/relayshield-mcpBreach detection, SIM swap, domain lookalikes, OAuth watchlist, URL scanning. Subscription or PAYG.
- io.github.O-mega-Enterprise/founden-mcpBuild your company over chat: website, app, and admin built in the cloud. One API key.
- io.github.O-mega-Enterprise/suprsonic-mcpOne API key, dozens of capabilities for your AI agent. Zero provider auth.
- io.github.oabolade/figma_mcp_server_actorMCP server enabling AI assistants to interact with Figma designs via natural language commands
- io.github.oagotus-droid/the-continental-apiPortable client-sealed memory and private rooms for agents from any lab; a free door; a ledger
- io.github.oakallow/oakallowRuntime permission, approval, and audit layer for AI agent tool execution.
- io.github.oaleviola/arrowayShared memory for people and their AIs: read what was decided before acting, log what was done.
- io.github.oasdiff/oasdiffDetect breaking changes, generate changelogs, diff, and validate OpenAPI specs.
- io.github.oaslananka/composerAggregate multiple MCP backends behind a single stdio endpoint with namespaced routing.
- io.github.oaslananka/mcp-debug-recorderRecord debug sessions, commands, failed attempts, and successful fixes in local SQLite storage.
- io.github.oaslananka/mcp-health-monitorMonitor MCP server health, uptime, response times, and Azure DevOps pipeline status
- io.github.oaslananka/mcp-infra-lensSSH Linux metrics, baselines, anomaly detection, and plain-English infrastructure explanations.
- io.github.oaslananka/mcp-ssh-toolSecure MCP SSH automation server with policy controls, resources, prompts, stdio, and HTTP.
- io.github.oathlayer/oathlayerVerify AI outputs against real sources. Returns a trust signal and permanent doc number.
- io.github.obcraft/apiosk-mcpAI-native payments: discover, pay for, execute, and publish monetized APIs through MCP.
- io.github.Obelinf/mcpMCP server for Obelinf, the network documentation platform. Sites, racks, devices, IPs, VLANs.
- io.github.Obi49/colber-mcpTrust + coordination infrastructure for the agent economy. 27 tools across 6 Colber modules.
- io.github.oborchers/tablestakesRead and edit HTML/Markdown tables in GitBook-synced documents via MCP tools.
- io.github.OCArk/coinverdictFree daily AI crypto research verdicts: graded stance, dimensions, and key levels for 67+ coins.
- io.github.occasiolabs/occasioTamper-evident, Sigstore-signed audit trail for Claude Code agents.
- io.github.ochtum/capture-screenWindows screen capture MCP server with display, region, and active-window capture tools.
- io.github.Octen-Team/octen-mcpURL to LLM-ready markdown — plus per-page category, page_structure, and query-driven highlights.
- io.github.Octid-io/osmpAgentic AI instruction encoding. 86.8% vs JSON. Inference-free decode. Any channel.
- io.github.octoco-ltd/sheetsdata-mcpElectronic component datasheets for AI agents — specs, pinouts, package data on demand.
- io.github.Octodamus/market-intelligenceAI oracle: BTC/ETH/SOL signals, Polymarket edges, congressional trades. x402 $0.01/call on Base.
- io.github.OctoPerf/octoperfDrive OctoPerf load testing from any AI agent: import, edit, validate, run scenarios, read metrics.
- io.github.odaiin/assetfareNon-custodial cross-chain bridge quotes for agents: Solana to Base USDC; unsigned txs, never signs
- io.github.odaiin/assetfare-bridgeNon-custodial USDC bridge and cross-chain swap quotes: Solana to Base; unsigned, never signs/submits
- io.github.Odds7/fia-signals-mcpCrypto market intelligence: regime detection, funding rates, liquidations, prices, signals.
- io.github.oddsflowai-team/4dlivetodayOfficial 4D lottery results and draw history for Malaysia, Singapore and Cambodia. Results only.
- io.github.odedkovach/padeltruePublished padel racket specifications, each with its source, and calculated ratings. Read only.
- io.github.odela-pixel/asientounoRegistro Mercantil español (BORME) + subvenciones (BDNS) + contratos públicos (PLACSP), por empresa.
- io.github.odichat/mcp-odichatManage your Odichat WhatsApp/IG/FB inbox from Claude: conversations, contacts, pipeline, reports.
- io.github.OdinBot33/cce-mcp-serverAI Agent Astrology — natal charts, transits, cosmic weather, and forecasts for AI agents.
- io.github.ofershap/ai-context-kitLint, measure, and sync AI context files across Cursor, Claude Code, Copilot.
- io.github.ofershap/cloudflareMCP server to manage Cloudflare Workers, KV, R2, Pages, DNS, and cache from your IDE
- io.github.ofershap/devutilsDeveloper utilities MCP: base64, UUID, hash, JWT decode, cron, timestamps.
- io.github.ofershap/dnsMCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config
- io.github.ofershap/dockerMCP server for Docker — manage containers, images, volumes, and compose services from your IDE
- io.github.ofershap/github-actionsGitHub Actions MCP — view runs, read logs, re-run jobs, and manage CI/CD.
- io.github.ofershap/github-gistMCP server to create, read, update, list, and search GitHub Gists from your IDE
- io.github.ofershap/markdownMarkdown MCP — search, extract sections, list headings, find code blocks.
- io.github.ofershap/npm-plusnpm MCP — search packages, bundle sizes, vulnerabilities, compare downloads.
- io.github.ofershap/npm-searchnpm search MCP — find packages, view details, compare, check downloads.
- io.github.ofershap/real-browserMCP server + Chrome extension for AI browser control with real sessions.
- io.github.ofershap/s3AWS S3 MCP — list buckets, browse objects, upload/download, presigned URLs.
- io.github.ofershap/scraperWeb scraping MCP — extract clean markdown, links, and metadata from any URL.
- io.github.ofershap/sqliteSQLite MCP — query databases, inspect schemas, explain queries, export data.
- io.github.OfficialTanishSharma/agentosLocal-first persistent memory MCP server for AI coding agents.
- io.github.ofirbaranesad-agent/contract-powersWho can still change this EVM contract, and what can they do to holders?
- io.github.ofomojolclaude/african-mutual-fundsNigerian mutual fund returns (SEC filings) and PenCom pension allocation, month by month.
- io.github.ogasurfproject-jpg/construction-cost-dataPublic construction cost data for Japan and the U.S., each row with its source URL and licence.
- io.github.ogasurfproject-jpg/horizon-shieldFair-price checks for Japanese renovation quotes, with sources and recomputable records.
- io.github.ogasurfproject-jpg/horizon-shield-webmcpAgent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
- io.github.ogasurfproject-jpg/hs-hearingNeutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).
- io.github.ogasurfproject-jpg/hs-mcp-observatoryPublic record of one read only walk over the official MCP registry: who answered, tools, who pays.
- io.github.ogasurfproject-jpg/hs-partner-001-mcpVerified profile of Reform Shokunin Co., Ltd., a Yakumo member renovation contractor in Aichi.
- io.github.ogasurfproject-jpg/hs-partner-002-mcpVerified profile of Mineo Toyo Juki, a window and entrance door contractor in Shonan, Japan.
- io.github.ogasurfproject-jpg/hs-verify-gateCheck an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
- io.github.ogasurfproject-jpg/jhnrdJapan home-visit nursing reimbursement rules, each with its source and that source's standing.
- io.github.ogasurfproject-jpg/jidecRead agents' Bitcoin-anchored conduct history (NENRIN) and cite and recompute ledger records.
- io.github.ogSINGH/contrast-checker-mcpMCP - WCAG 2.1 color contrast checker - contrast ratios, compliance and accessible color suggestions
- io.github.OguntolaIbrahim/image-viewerInChat Image Viewer MCP - View images inline in AI chat by just providing the file path
- io.github.oguzc/playwright-wizard-mcpMCP server providing Playwright test generation wizard with intelligent prompts and best practices
- io.github.ohad6k/plate-website-sourceRead-only catalog of free Plate website source projects a coding agent can adapt.
- io.github.ohad6k/viberaven-guidesRead-only VibeRaven guides: explain a finding, search launch guides, get a Supabase checklist.
- io.github.ohneben/activecampaign-mcpActiveCampaign API: ~325 endpoints (v3, SMS, WhatsApp, Segments) as safety-categorized MCP tools.
- io.github.ohneben/anytype-mcpSelf-hosted Anytype MCP server: the full Anytype API as an always-on Docker + HTTP endpoint.
- io.github.ohneben/buchhaltungsbutler-mcpBuchhaltungsButler API v1: alle 54 Endpunkte als 46 sicherheitskategorisierte MCP-Tools
- io.github.ohneben/hubspot-mcpHubSpot API: 1,000+ endpoints as safety-categorized, hub- and plan-aware MCP tools, stdio or HTTP.
- io.github.ohneben/learnworlds-mcpAll 94 LearnWorlds LMS API endpoints as safety-categorized MCP tools (read/write/destructive).
- io.github.ohneben/wafeq-mcpWafeq accounting API: all 251 endpoints as safety-categorized MCP tools, over stdio or HTTP.
- io.github.ohtensorplay/mega-mcp-serverOfficial three-tool MCP server for MEGA models, datasets, Spaces, Jobs, and inference.
- io.github.ohvenkat/hostinger-ssh-mcpMCP server for connecting Claude Code to a Hostinger VPS via SSH
- io.github.oidsdev/oidsMCP endpoint for Oids, a microblogging network for AI agents: posts, DMs, prompt packs.
- io.github.oijusti/k8s-port-forward-mcpKubernetes Port Forward — MCP Server: port-forward Kubernetes services with terminal integration
- io.github.ojhermann-org/ferric-fred-mcpMCP server for FRED (Federal Reserve Economic Data): full read API plus GeoFRED, 34 tools.
- io.github.ojuschugh1/sqzPre-injection context compression for coding agents. Zero LLM calls, zero telemetry, offline-safe.
- io.github.okajun35/cooling-plannerMCP simulator for dairy barn cooling: evaluate equipment, roof and weather on heat, water and milk.
- io.github.okapi-ca/ms-365-adminMicrosoft 365 administration via Graph API application permissions (read-only by default).
- io.github.okmr2217/clipnoteAIとのやり取りで生成したHTML/Markdown/プレーンテキストのクリップを一覧取得・参照・作成・更新できるMCPサーバー。
- io.github.oktopeak/filevine-mcpOpen-source MCP server connecting Claude to Filevine practice management. Built by Oktopeak.
- io.github.oktopeak/mycase-mcpConnect Claude to MyCase: cases, contacts, documents, tasks, calendar, calls, time, billing, staff.
- io.github.okwithit9-debug/permit-verdictsBuilding-permit verdicts by address, with cited records. SF, Seattle, Austin, NYC. Pay per call.
- io.github.okyalos76/inutriplan-mcpMCP server exposing supplements database used by iNutriPlan.com
- io.github.olafkfreund/myrmex-hiveZero-inbound-port MCP gateway for managing distributed edge servers over reverse SSH tunnels
- io.github.OlegNickeshin/people-mcpSemantic search for people, projects and AI agents by task, skills and collaboration needs.
- io.github.OleksandrKucherenko/mcp-obsidian-via-restAccess Obsidian vaults via Local REST API - read, search, and interact with notes
- io.github.oleksii-donets/simple_mcpA Test MCP server that provides tools, promts and resources
- io.github.olgasafonova/gleif-mcp-serverAccess the GLEIF LEI database for company verification, KYC, and ownership research.
- io.github.olgasafonova/mediawiki-mcp-serverSearch, read, and edit any MediaWiki wiki. Works with Wikipedia, Fandom, and more.
- io.github.olgasafonova/miro-mcp-serverControl Miro whiteboards with AI. 110 tools for boards, diagrams, mindmaps, comments, SVG.
- io.github.olgasafonova/nordic-registry-mcp-serverAccess Nordic business registries (Norway, Denmark, Finland, Sweden). 23 tools.
- io.github.olgasafonova/productplan-mcp-serverTalk to roadmaps with AI. Query and manage bars, OKRs, ideas, and launches.
- io.github.olijboyd/tomevaultCheck AI instruction files, look up a company's record, and keep a dated record of your own.
- io.github.OliverGrabner/composerGive your AI coding agent an architecture canvas to design and evolve diagrams.
- io.github.oliverhpage/stoopFind licensed HVAC, plumbing, and electrical providers in Miami with verified ratings.
- io.github.olk/agent-pattern-mcpMCP server that provides AI agent pattern expertise for designing agent systems
- io.github.olk/architecture-pattern-mcpMCP server that provides architecture design expertise to AI coding agents
- io.github.olliejgooding/consistency-calendarTurn any goal with a deadline into a private, gamified, evidence-based execution calendar.
- io.github.Olum289/agentlockSecurity gateway for AI agents: policy, approval, and audited execution, no secrets shared.
- io.github.omarfff/osa-procurement-guardPre-purchase trust, pricing and budget decisions for AI agents buying APIs and MCP tools.
- io.github.omarkeshk/council-aiMulti-LLM council: 25+ frontier models in parallel, consensus scoring, verdict-first code review.
- io.github.OmarNassar1127/x402-vendPay-per-call web & EU business intelligence for AI agents (x402 USDC on Base). 11 tools.
- io.github.omazapa/root-mcpROOT-based MCP server exposing root_python and root_cpp tools (stdio transport).
- io.github.omega-memory/corePersistent memory for AI coding agents. #1 on LongMemEval. Local-first.
- io.github.omiiyamu/hiveclawConnect AI assistants to HiveClaw — manage projects, talk to AI agents, and more.
- io.github.OmniAISystems/govomniai-machine-servicesDiscover GovOmniAI machine services and the live autonomous MPP payment path.
- io.github.omniologynow-rgb/profitspot-mcpClaude-ready DeFi MCP — risk-scored yields, profit sims & whale tracking across 86 blockchains
- io.github.omniologynow-rgb/scout-intel-mcpThe Google for AI agents — company intel, competitor tracking, market research via MCP. JSON output
- io.github.Omnipotent6/inkmotionTurn a topic, URL, or document into a narrated, animated explainer video.
- io.github.OmniSocKit/omnisockit-mcpTurn your AI into a WeCom development expert. 41 SKILLs, 550+ APIs.
- io.github.Omodaka9375/wakeA post-mortem succession protocol for AI agents. Black Box, handoff, time-locks.
- io.github.OMOPHub/omophub-mcpSearch, lookup, map, and navigate OMOP medical vocabularies via AI agents
- io.github.omoshola-o/xapAgent settlement protocol — discover, negotiate, settle, and verify with XAP.
- io.github.ompurwar/fi-planFinancial simulator for Indian salaries: loans, taxes, SIPs and 50-year FIRE plans.
- io.github.OnChainAIIntel/pqs-mcp-serverPQS scores any prompt before the model runs. 8 dimensions. 5 frameworks. Pre-flight, not post-hoc.
- io.github.Oncorporation/filesystem-serverSecure filesystem access for AI agents with configurable directory and file type restrictions
- io.github.ondefy/zyfaiDiscover DeFi yield opportunities and manage Zyfai positions with self-custodial AI agents.
- io.github.OndrejLapes/gretl-mcpRun Hansl/Gretl econometrics workflows via MCP with GUI launch and artifacts.
- io.github.ONE8943/ai-furniture-hubMCP server for mm-precision furniture search, fit checks, curated sets, and AIO audits.
- io.github.oneill9/mcp-server-tflCommunity-built server providing real-time London transport data via the TfL Unified API
- io.github.oneill9/phraseflip-mcpPrivacy-first local phrase-flipped translation for AI chat clients.
- io.github.oneill9/tfl-mcp-serverCommunity-built server providing real-time London transport data via the TfL Unified API
- io.github.OneNicolas/mcp-service-publicFrench public services: tax, property, admin, education, healthcare, security, risks, legal texts
- io.github.onetapstudiogames/1f3d9A persistent AI world where agents walk, build, own things, talk, and make agreements.
- io.github.onetapstudiogames/1f3eaA tiny free-time marketplace for AI agents only.
- io.github.onetrueclaude-creator/hebbian-vaultUsage-adaptive Obsidian vault search: Hebbian + PageRank + BM25 hybrid ranking.
- io.github.onetrueclaude-creator/mcp-contradiction-checkFind where your notes disagree — contradiction detection for markdown vaults.
- io.github.onetrueclaude-creator/mcp-curiosity-engineSurface the notes you forgot you wrote — DMN replay for markdown vaults.
- io.github.onetrueclaude-creator/mcp-knowledge-gapsFind what your knowledge base mentions but doesn't actually explain.
- io.github.onetrueclaude-creator/vault-health-mcpObsidian vault structural health: broken links, orphans, missing frontmatter, safe auto-repair.
- io.github.OnlineDopamine/genviralPlan, create, schedule, publish, and analyze social media content.
- io.github.onlygoodantibodies/oga-antibodiesKnockout-controlled antibody validation lookups over the Only Good Antibodies dataset
- io.github.ONLYOFFICE/docspaceA room-based collaborative platform
- io.github.Onplana/mcp-serverProject portfolio management for PMOs. Alternative to Microsoft Project Online. OAuth + PAT.
- io.github.OnticX/open-mcp-registrySearch and discover MCP servers from the MCP Registry.
- io.github.Ooak21/cortex402Pay-per-call x402 data products on Base mainnet — sanctions, aviation weather, US property.
- io.github.oogdevs/clawtube-mcpMinimal MCP server for ClawTube — a small, auditable control plane for skills and agents.
- io.github.oogunbiyi21/stats-compass50+ pandas-powered tools for data loading, cleaning, visualization, and ML workflows
- io.github.ooopak11/opuslogRepertoire & program archive for classical vocalists. Match works from posters, save, search.
- io.github.ooples/mcp-console-automationMCP server for AI-driven console application automation and monitoring
- io.github.ooples/token-optimizer-mcpIntelligent token optimization achieving 95%+ reduction through caching, compression, and 80+ tools
- io.github.Oortonaut/mcacpMCP-to-ACP bridge — let any MCP client drive ACP coding agents
- io.github.Oortonaut/task-graph-mcpMCP server for agent task workflows with phases, prompts, gates, and multi-agent coordination
- io.github.oozoofrog/baepsaeLocal MCP server for iOS Simulator and macOS app automation with a native Swift bridge
- io.github.op0ai/iconlabSearch 324k icons or generate new ones in the Lucide grammar - grammar-locked lint+critique+repair
- io.github.opcastil11/apuchatReal-time chat for AI agents. Claude Code, Cursor, Cline and Codex join channels over MCP.
- io.github.opcastil11/mcp-prowlDiscover, evaluate, and compare SaaS APIs. Agent-verified scores and metrics.
- io.github.open-and-sustainable/alembica-mcpMCP server for Alembica validation, extraction, cost estimation, and schema queries.
- io.github.open-and-sustainable/prismaid-mcpMCP server for prismAId AI-assisted systematic reviews and protocol conformance checking.
- io.github.open-banking-io/mcp-serverRead-only MCP server for the open-banking.io PSD2 bank API — accounts, balances, transactions.
- io.github.open-mcp-ai/termcpAn MCP server that lets AI agents act like a human at a real terminal, local or over SSH.
- io.github.openaccountants/openaccountantsOpen-source AI accounting skills verified by licensed accountants (tax, VAT, payroll).
- io.github.OpenCageData/opencage-geocoding-mcpMCP server for OpenCage geocoding API
- io.github.OpenCallPortal/open-call-portalsSearch PII-free opportunities, availability, and live events; prepare safe no-write form handoffs.
- io.github.opendatalab/mineru-open-mcpParse PDFs, images, doc, docx, ppt, pptx, xls, xlsx, html into Markdown using MinerU API.
- io.github.Openfinanceorg/openfinanceConnect your financial accounts to view balances, search transactions, and get spending insights.
- io.github.openfused/openfuse-mcpEncrypted mail, shared memory, and persistent context for AI agents.
- io.github.OpenHeritageOnline/public-searchRead-only OpenHeritage search for genealogy and cultural heritage records.
- io.github.openITCOCKPIT/mcp-serveropenITCOCKPIT monitoring: host and service state, history, downtimes, acknowledgements, patches
- io.github.openkash/abap-acceleratorMCP server for SAP ABAP development with 15 tools for ABAP objects, syntax, ATC, and more
- io.github.OpenLoyalty/openloyalty-mcpManage Open Loyalty programs: members, points, rewards, campaigns, tiers and transactions.
- io.github.OpenOSINT/openosintAI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
- io.github.openpoem/spec-score-mcpScore your specs before feeding them to an LLM. MCP server with radar chart visualization.
- io.github.openpulsechain/analyticsPulseChain analytics: 28 tools — safety scores, signals, whale alerts, pair analytics, AML.
- io.github.openqfr-dev/openqfrSearch machine-readable quantitative strategy failure evidence before repeating failed research.
- io.github.OpenRushData/openrushThe Marketing Data Layer for AI Agents - SEO, Search Console, and Analytics
- io.github.OpenWeb-Ninja/openwebninja-mcpOfficial MCP server for OpenWeb Ninja APIs - 40+ real-time web data and SERP APIs as MCP tools
- io.github.openziti/ziti-mcp-serverManage OpenZiti zero-trust networks — through natural language
- io.github.operantlabs/operant-mcpSecurity testing MCP server for penetration testing, forensics, and vulnerability assessment
- io.github.operatorsheets/mcp-uptimeCheck an MCP endpoint resolves: liveness, live tool list, schema drift. Free.
- io.github.Ophir-ai-creator/ophirOphir protocol tools for AI agent discovery, negotiation, and settlement
- io.github.ophydami/storeboardGenerate exact-size App Store and Google Play screenshots, feature graphics, and listing copy.
- io.github.opjhabuilds/designpin-mcp-serverPush HTML prototypes to DesignPin for team review and pull reviewer feedback into your AI.
- io.github.oppenheimervonbraun/zerostart-agentBounded data, document, web-quality, and operations services purchased with USDC through x402.
- io.github.opsconduit/jobber-mcpCustomer-hosted read-only MCP server for Jobber ops reports, OAuth setup, and GraphQL validation.
- io.github.opspawn/bazaar-mcpx402 micropayment-powered developer tools: screenshots, AI analysis, PDFs, code scanning
- io.github.optimizer668/daymasterDay Pillar reading from your birth date — BaZi astrology.
- io.github.optimizer668/destiny-weightDestiny Weight reading from birth date — Yuan Tiangang method.
- io.github.OptimNow/ai-pricing-hubCompare LLM API pricing, estimate workload costs, and benchmark cloud compute. By OptimNow.
- io.github.OptionScope/best-electric-productsEditorial picks for e-bikes, power stations, EV chargers, and robot vacuums, by use case and budget
- io.github.optipub/gmail-postmaster-toolsGmail Postmaster Tools v2 — domains, traffic metrics, and compliance via your own Google OAuth.
- io.github.optipub/outlook-sndsOutlook.com SNDS IP Data and IP Status reports via the OAuth-secured REST API.
- io.github.Optisol-Business/db-metadata-extractor-mcpExtract database metadata from PostgreSQL, Snowflake, SQL Server, BigQuery, and Oracle.
- io.github.opusgrowth/ads-mcpRun Google, Meta, Microsoft, TikTok and LinkedIn Ads from Claude or ChatGPT. Writes need approval.
- io.github.oraios/serenaA powerful toolkit for coding, providing semantic retrieval and editing capabilities.
- io.github.Oratorian/discord-node-mcpMCP server for controlling Discord servers via bot token
- io.github.OrbiAds/gamAutomate Google Ad Manager: campaigns, line items, creatives, inventory, reporting — 51 tools.
- io.github.OrbisAPI/orbis-mcp8,000+ pay-per-call APIs via x402 USDC micropayments on Base. No API keys needed.
- io.github.orbit-search/orbitThe most in-depth, source-backed context about a person for deep personalization and research.
- io.github.orbotshq/google-ads-transparency-scraperEvery ad an advertiser runs on Google, from the public Ads Transparency Center. Unofficial tool.
- io.github.orbotshq/google-trends-scraperGoogle Trends trending searches, volume estimates & trend duration. Not affiliated with Google LLC.
- io.github.orbs-network/spotCreate gasless market, limit, TWAP, stop-loss, take-profit, and delayed-start swap orders.
- io.github.orcar-studio/fascia-mcp-serverExpose Fascia-deployed Tools and Entity schemas to AI agents via MCP
- io.github.OrchestraPrime/orchestraprimeRegulatory intelligence (FDA, ICH, EMA) and sanctions screening (OFAC, EU, UK) for Claude
- io.github.OrderlyNetwork/orderly-mcpMCP Server for Orderly Network - Documentation and SDK patterns
- io.github.oreillymedia/oreilly-expertGrounded, citable answers to tech questions from O'Reilly's library. Requires Expert MCP access.
- io.github.oreillymedia/oreilly-mcp-serverSearch O'Reilly for tech books, courses, events, and more. Requires an O'Reilly subscription.
- io.github.OrgMentem/zotioZotero MCP server: local-first search, library checks, and preview-first writes for AI agents.
- io.github.orhanbalci/droidprobeRead-only MCP server to inspect an Android device over ADB: hardware, packages, permissions, logs.