Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
35,978 servers
Showing 6,529–6,576 of 35,978 servers
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crbro memory
stdioio.github.octonove/crbro-memory
Persistent file-based memory for AI agents: inspectable, versionable, fully local.
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SignalHarness.ai
streamable-httpai.signalharness/mcp
330 production AI-agent services for data, validation, AI, crypto, and x402 pay-per-use.
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latent lounge mcp
stdioio.github.dontuh3/latent-lounge-mcp
Visit The Latent Lounge: AI agents play paid puzzles & duels, paying in USDC via x402
official 5 secrets -
nowyourlink advertiser tools
streamable-httpio.github.arneffm/nowyourlink-advertiser
Delegated OAuth access for one advertiser: sealed bids, creatives and invoices, under a mandate.
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PieterPost MCP
streamable-httpio.github.pieterpost-com/pieterpost-mcp
Let AI agents prepare, review, pay for, and send real letters and postcards.
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RoselineMCP
stdioio.github.atypical-consulting/roseline-mcp
MCP server for C# code analysis and automated fixing using Roslyn analyzers and code fix providers.
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polymnemo
streamable-httpio.github.pcbz/polymnemo
Shared cross-LLM long-term memory over MCP: semantic recall, sessions, and media (pgvector).
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HortOS (Australia)
streamable-httpcom.hortosapp/au
Search Australian wholesale plant growers' live stock lists and price a whole plant list. Read-only.
official 2 tools -
Sector Pulse
streamable-httpio.github.christianhonap7-sys/sector-pulse
Live US sector rotation: 30 sector baskets ranked every session, versioned rosters, daily record.
official 3 tools -
Alloy Navigator
stdioio.github.wyre-ai/alloy-navigator-mcp
MCP server for Alloy Navigator's REST API - IT asset management and ITSM data for MSPs.
official 6 secrets -
Crypto Bot Audit + Market Data (x402 paid)
streamable-httpio.github.kaminariouji/x402-audit-agent
x402 pay-per-call: bot-honesty audit 0.01 USDC, 8 market-data tools 0.001; USDC on Base or Solana
official 137 tools -
Lots of Sounds
streamable-httpcom.lotsofsounds/mcp
CC0 sound effects API for AI agents — search, preview, and download via MCP.
official 4 tools -
Mac Shortcuts — read your Mac from any agent
stdioio.github.dominic-dk/mac-shortcuts-mcp
Read your Mac's Calendar, Reminders, Notes, Contacts and more via Shortcuts. Read-only, local.
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referencesource.org
streamable-httpio.github.joelp22-maker/referencesource
Verified reference data; each record carries its source URL and quote. verify_quote checks claims.
official 4 tools -
US federal rules taking effect
streamable-httpio.github.joelp22-maker/referencesource-rules
Which published US federal rules take effect between two dates, and which CFR parts they amend?
official 5 tools -
FDA import alert red lists
streamable-httpio.github.joelp22-maker/referencesource-import-alerts
Is a foreign supplier on an FDA import alert red list, detained at the US border? 14,000+ listings.
official 6 tools -
ICANN registrar accreditation status
streamable-httpio.github.joelp22-maker/referencesource-registrars
Is a domain registrar still ICANN-accredited, and has ICANN acted against it? 4,500+ registrars.
official 4 tools -
santyvv-data — market & on-chain data
streamable-httpcom.santyvv/tienda
Market and on-chain crypto data for AI agents. Pay per call in USDC on Base (x402).
official 8 tools -
CN Evidence
streamable-httpdev.workers.mikeyang7789.cn-evidence-mcp-public/cn-evidence
China supplier checks via MCP/x402: Basic 0.032 USDC (3 modules); Full 0.093 USDC (9 modules).
official 3 tools -
Fee Optimizer MCP
stdioio.github.gaokai258/fee-optimizer-mcp
Compare crypto exchange fees across 18 venues: VIP tiers, funding, spread, fiat rails, change feed.
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candor
stdioio.github.tombaldwin/candor
Per-function effect analysis for agents: blast radius, what reaches the network, gate verdicts.
official 1 secrets -
Rust FAF
stdioone.faf/rust-faf-mcp
Persistent project context — Rust-native MCP server. IANA-registered .faf format.
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Yaw Labs AWS MCP
stdioio.github.yawlabs/aws-mcp
AWS MCP server — call any AWS API from AI assistants, with first-class SSO re-login
official 2 secrets -
Agent Experience Network Live Preflight
streamable-httpio.github.solargptnz-dev/agent-experience-network
Check public MCP reachability, protocol handshake, auth and tool schemas before connecting.
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Tailscale MCP Server
stdioio.github.yawlabs/tailscale-mcp
Tailscale MCP server for managing your tailnet from AI assistants
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Kviria
streamable-httpcom.kviria/kviria
The location engine for AI agents: one verified coordinate from where a user means. Beta: US.
official 1 tool -
ДокиДепо — открытые инструменты склада
streamable-httpru.dokidepo/public-tools
Read-only инструменты малого склада: назначение, ограничения и безопасный план первого дня.
official 5 tools -
c3fst Biomedical Search
stdioio.github.mjandrews1/c3fst-biomedical-search
Biomedical search: FDA drugs, MeSH headings, ClinVar genomic variants with BM25 ranking.
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Avito Ads MCP
stdioio.github.a1-x-tech/mcp-avito-ads
MCP server for the Avito Ads API: campaigns, ad groups, creatives, statistics and balances.
official 8 secrets -
Google Tag Manager MCP
stdioio.github.a1-x-tech/mcp-google-tagmanager
MCP server for the Google Tag Manager API v2: containers, workspaces, tags, triggers, publishing.
official 9 secrets -
Google Merchant Center MCP
stdioio.github.a1-x-tech/mcp-google-merchants
MCP server for Google Merchant Center (Merchant API v1): products, promotions, reports, issues.
official 9 secrets -
Google Business Profile MCP
stdioio.github.a1-x-tech/mcp-google-business
MCP server for Google Business Profile: locations, reviews, local posts and performance metrics.
official 11 secrets -
Edgepedia
streamable-httpai.edgechat/edgepedia
Search and read Edgepedia, a free and growing encyclopedia with citations. No key.
official 2 tools -
Google Search Console MCP
stdioio.github.a1-x-tech/mcp-google-search-console
MCP server for the Google Search Console API: search analytics, sitemaps, URL inspection, sites.
official 8 secrets -
Google Forms MCP
stdioio.github.a1-x-tech/mcp-google-forms
MCP server for the Google Forms API: create forms, manage questions, read responses and watches.
official 8 secrets -
crawl readiness
stdioio.github.grubbomatic/crawl-readiness
Audit any site for 50+ AI crawlers, generate llms.txt, robots.txt and schema, track AI mentions.
official 2 secrets -
compendio mcp
stdioio.github.rulogb/compendio-mcp
Indexes your project's markdown docs and serves them to any agent via local hybrid search.
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GoodSign
streamable-httpio.goodsign/goodsign
Send documents for e-signature, track and remind signers, and download signed PDFs.
official 10 tools -
motocross tracks
streamable-httpmx.fullthrottle/motocross-tracks
US motocross tracks, what they cost to ride, and the race calendar.
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Agent Forum · Shuangseqiu Randomness Judge
streamable-httpdev.workers.agent-forum-worker.agent-forum/agent-forum
Falsifiable lottery-randomness challenge: full draw history, frozen-rule judge, open tasks.
official 15 tools -
MDataAccess
streamable-httpio.github.mdataaccess/mdataaccess
Paid business, people, company, lead, and web intelligence for autonomous AI agents.
official 7 tools -
ETFIQ
streamable-httpcom.etfiq/etfiq
Independent US ETF data: holdings, fees, overlap, returns, each with its source and date.
official 13 tools -
BeanHub
streamable-httpio.beanhub/mcp
Read and update hosted Beancount books over OAuth. No CLI access token.
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Opus Growth, Ad Platforms MCP Connector
streamable-httpio.github.opusgrowth/ads-mcp
Run Google, Meta, Microsoft, TikTok and LinkedIn Ads from Claude or ChatGPT. Writes need approval.
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OpenFate Bazi MCP
stdioio.github.openfate-ai/bazi-mcp
OpenFate Bazi MCP with True Solar Time, Four Pillars, Da Yun, and branch interactions.
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SPOC
stdioio.github.spoc-app/mcp-bridge
stdio bridge for the SPOC MCP server — for Claude Desktop, Cursor, Zed
official 6 secrets -
tmdb mcp server
stdioio.github.cyanheads/tmdb-mcp-server
Search, detail, and discovery for movies, TV, and people on The Movie Database (TMDB).
official 4 secrets -
un comtrade mcp server
stdioio.github.cyanheads/un-comtrade-mcp-server
UN Comtrade international trade statistics via MCP. Country/HS lookups, flows, balances, rankings.
official 2 secrets
Search this catalogue from your agent
The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.
claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp