Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
39,687 servers
Showing 22,225–22,272 of 39,687 servers
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Letter AI
streamable-httpio.github.tractatus-ai/letter
Search and act on Letter AI sales enablement content, deals, and call recordings.
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anansi data
streamable-httpxyz.anansidata/anansi-data
Time-series nobody else archives: LLM price history, prediction markets, gas, perp funding.
official 12 tools -
RQM Robotics Jobs
streamable-httpcom.rqmtechnologies/robotics
Delegate 20 typed RQM Robotics jobs for validation, diagnosis, comparison, and optimization.
official 13 tools -
RQM Studio Jobs
streamable-httpcom.rqmtechnologies/studio
Delegate 20 fail-closed RQM Studio quantum work products with fixed-request x402.
official 43 tools -
RQM WaveEngine Jobs
streamable-httpcom.rqmtechnologies/waveengine
Delegate 20 typed, evidence-backed WaveEngine signal work products with fixed-request x402.
official 34 tools -
RQM Jobs MCP
streamable-httpcom.rqmtechnologies/jobs
Delegate 60 specialist work products: 20 WaveEngine, 20 RQM Studio, and 20 RQM Robotics jobs.
official 38 tools -
sociahive
streamable-httpcom.sociahive/sociahive
Social media automation from your AI assistant: Instagram DMs, scheduling to 9 platforms, analytics.
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Bruno MCP Studio
stdioio.github.ostico/bruno-mcp-studio
Author, edit and run Bruno collections as files: HTTP, WebSocket, gRPC, per-request pass/fail.
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LocalTry AI CRM
streamable-httpio.github.philly88r/localtry-mcp
Operate and customize one tenant-isolated LocalTry CRM. ChatGPT plugin coming soon.
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boot doctor mcp
stdioio.github.pamela-0/boot-doctor-mcp
Deterministic PC no-boot/no-POST diagnostics: real beep-code tables, no LLM guessing.
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radarscore
streamable-httpde.roboterradar/radarscore
Evidence-based humanoid robot data: RadarScore ratings, evidence grades A-D, prices, EU availability
official 5 tools -
Onchain Agent Wallets
stdioio.github.nirholas/onchain-agent-wallets
Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402.
official 5 secrets -
Motley — NYC Neighborhoods, Schools & Admissions
streamable-httpnyc.motley/mcp
Find, compare, and rank NYC neighborhoods and schools, plus how NYC school admissions works.
official 15 tools -
Chrome-Stats
streamable-httpcom.chrome-stats/chrome-stats
Extension and app analytics across Chrome, Edge, Firefox, Google Play, and the Apple App Store.
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safe fix mcp
stdioio.github.pamela-0/safe-fix-mcp
Finds real dead code and proposes a safe, test-gated branch+PR to remove it.
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WhiteIntel — Ownership Intelligence
streamable-httpdev.whiteintel/whiteintel
UBO, sanctions & ownership graph. 23 tools, 130.7M entities, 31 registries.
official 2 secrets -
Document corpus
stdioio.github.jorgell23-sys/mdcx
Query a verified document collection: passages that answer a question, with their source.
official 2 secrets -
Mayneart MCP Catalog
streamable-httpuk.mayneart.mcp/mayneart-mcp
Live Mayneart MCP server exposing the dynamic SELLABLE catalog with x402 execution.
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XActions
stdioio.github.nirholas/xactions
X/Twitter automation MCP: scrape, post, schedule, analyze, engage. No API key required.
official 3 secrets -
DeriveAI x402 APIs
streamable-httpio.github.deriveit33z-ship-it/x402-apis
25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base)
official 25 tools -
three.ws pump.fun MCP
streamable-httpio.github.nirholas/threews-pumpfun
Free pump.fun and Solana token discovery and on-chain analysis tools, by three.ws.
official 21 tools -
Alibaba Cloud DashScope — Qwen
stdioio.github.nirholas/alibaba-cloud
Alibaba Cloud DashScope MCP: Qwen chat, embeddings, and model discovery on your own account.
official 5 secrets -
three.ws Agora
stdioio.github.nirholas/agora-mcp
Agora agent economy over MCP: browse the board, register, claim on-chain work, and post bounties.
official 5 secrets -
three.ws Agent Payments
stdioio.github.nirholas/agentcore-payments-mcp
Governed x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.
official 4 secrets -
three.ws Loom
stdioio.github.nirholas/loom-mcp
Browse the community 3D-creation gallery, fetch a creation with its viewer URL, and submit it.
official 2 secrets -
three.ws Tutor
stdioio.github.nirholas/tutor-mcp
Read a Pay-As-You-Learn tutoring session's itemized tab and close it for an attested invoice.
official 2 secrets -
three.ws Coin Clash
stdioio.github.nirholas/clash-mcp
Play three.ws Coin Clash — read the faction battle board and leaderboard, enlist, and rally.
official 3 secrets -
three.ws KOL
stdioio.github.nirholas/kol-mcp
Per-wallet KOL deep dive — a tracked trader's portfolio P&L and its trades on a given mint.
official 2 secrets -
three.ws Audio
stdioio.github.nirholas/audio-mcp
Text-to-speech, speech-to-text, audio-to-face lipsync, and motion-capture clips for 3D agents.
official 3 secrets -
three.ws Brain
stdioio.github.nirholas/brain-mcp
List LLM providers and run chat completions through the three.ws multi-provider router.
official 3 secrets -
three.ws AgenC
stdioio.github.nirholas/agenc-mcp
Browse the AgenC on-chain task marketplace, query the agent registry, and link identities.
official 2 secrets -
three.ws Activity
stdioio.github.nirholas/activity-mcp
Trending agents and coins, the $THREE holder leaderboard, and the site-wide activity ticker.
official 2 secrets -
three.ws Billing
stdioio.github.nirholas/billing-mcp
An agent's account economics — plan quotas, metered usage, invoices, receipts, and earnings.
official 3 secrets -
three.ws Notifications
stdioio.github.nirholas/notifications-mcp
Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.
official 3 secrets -
three.ws Alerts
stdioio.github.nirholas/alerts-mcp
Create, update, and delete pump.fun alert rules and read fired-alert history across channels.
official 3 secrets -
three.ws Signals
stdioio.github.nirholas/signals-mcp
Discover signal feeds ranked by proven edge, rank publishers, and subscribe + track results.
official 3 secrets -
three.ws Copy Trading
stdioio.github.nirholas/copy-mcp
Manage copy-trade follows — follow leaders, tune sizing and guard rules, and track fees owed.
official 3 secrets -
three.ws Provenance
stdioio.github.nirholas/provenance-mcp
Append-only, signed, on-chain-verifiable agent action log — record and audit what agents did.
official 4 secrets -
three.ws Portfolio
stdioio.github.nirholas/portfolio-mcp
An agent's trading state — portfolio value, PnL, live balances, trade feed, and signed transfers.
official 8 secrets -
three.ws Autopilot
stdioio.github.nirholas/autopilot-mcp
Set autopilot scopes and a daily SOL spend cap, then propose, execute, and undo agent actions.
official 3 secrets -
x402 Wallet
stdioio.github.nirholas/x402-mcp
Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key.
official 5 secrets -
three.ws Marketplace
stdioio.github.nirholas/marketplace-mcp
Browse and discover the public three.ws agent marketplace and skills catalog. Read-only.
official 2 secrets -
three.ws Intel
stdioio.github.nirholas/intel-mcp
Coin smart-money scores, wallet reputation, signal feeds, and KOL leaderboards.
official 2 secrets -
three.ws Naming
stdioio.github.nirholas/naming-mcp
On-chain identity for AI agents: resolve .sol names, reverse-lookup wallets, check handles.
official 2 secrets -
three.ws Vanity
stdioio.github.nirholas/vanity-mcp
Read the three.ws vanity-address market: quote difficulty + USDC price, browse the board.
official 2 secrets -
three.ws Assistant Widget
stdioio.github.nirholas/assistant-widget
Generate a paste-ready embed for a floating 3D avatar chatbot on any website.
official 1 secrets -
three.ws Scenes
stdioio.github.nirholas/scene-mcp
Compose a placed 3D diorama from one sentence, export a forged world, browse saved scenes.
official 2 secrets -
x402 Universal Payer
stdioio.github.nirholas/x402-bridge
Pay any x402 endpoint on the open web: auto-paying bridge with Bazaar discovery and spend caps.
official 13 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