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Which MCP servers are actually maintained?

The official registry lists every Model Context Protocol server but tells you nothing about whether any of them is still alive. This index scores each one on maintenance activity, flags what deserves a second look before you install it, and shows exactly how every number was reached.

41,986
servers indexed
88
with verified activity
21.0
median score
13,104
carrying risk flags
last refreshed

Leaderboard

Activity & maintenance, not security — how this is scored
MCP servers ranked by activity and maintenance score, highest first.
#ServerFlagsStarsChangeScore
1201SerialHunt
US bill serial numbers: star note print runs and fancy serial patterns with exact odds.
clean——
24.0
1202Bigdata.com
Licensed, cited financial data for AI agents: news, filings, transcripts, research and tearsheets.
clean——
24.0
1203BillingEngine
Create invoices and customers and record payments in BillingEngine from any MCP client.
clean——
24.0
1204com.billingserv/mcp
BillingServ MCP server for customers, invoices, orders, packages, licenses, and revenue reports.
clean——
24.0
1205com.binstockly/binstockly-tools
Binstockly: the monthly US search demand across the sheets this product ships, read from monthly...
clean——
24.0
1206Bird
Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.
clean——
24.0
1207bisibility
Track keyword rankings, research SEO opportunities, and manage bisibility projects with AI agents.
clean——
24.0
1208com.bitcoincreditstack/mcp
The Bitcoin credit markets, measured. Cross-venue rates, venue criteria, chain indicators.
clean——
24.0
1209Bitculator
Crypto market data for AI agents: live prices, OHLCV, sentiment, indicators and exchanges.
clean—+4.0
24.0
1210Bizcraw
Web scraping and AI sales workspace with scoped CRM, scraping, knowledge and sales workflow tools.
clean——
24.0
1211Black Duck Security Scanner
AI-powered security scanning using Black Duck Signal for vulnerability detection.
clean——
24.0
1212Black Flag Alert
UK company credit risk for England & Wales: R-Score, CCJs, charges, financials. 5.1M companies.
clean——
24.0
1213DAG Studio MCP
Causal DAG analysis: backdoor paths, adjustment sets, bias simulation. Validated against dagitty.
clean——
24.0
1214NHANES (design-correct survey analysis)
Design-correct NHANES analysis: survey weights, pooled cycles, CIs and NCHS reliability flags.
clean——
24.0
1215openFDA Regulatory Metadata
Resolve FDA application numbers and product names to regulatory metadata (CDER, CBER, CDRH).
clean——
24.0
1216ROBINS-I V2 MCP
ROBINS-I V2 (not V1): risk of bias in one result of a non-randomized cohort study
clean——
24.0
1217TARGET Checklist MCP
Score how completely a target-trial-emulation study reports what the TARGET guideline requires.
clean——
24.0
1218BlackVeil DNS & Email Security Scanner
DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
clean——
24.0
1219com.blackwalltier/blackwall
API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).
clean——
24.0
1220com.blackwalltier/blackwall-x402-guardrail
Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.
clean——
24.0
1221Blawgy
Research keywords, plan, write, update and publish SEO blog posts on your site from any agent.
clean——
24.0
1222BlendDuck Social Publishing
Create, schedule, review, analyze, and manage social content across connected channels.
clean——
24.0
1223BlindPay
Official BlindPay MCP server: stablecoin payouts, payins, quotes and receivers for global payments.
clean——
24.0
1224BlinkCodes catalog
Read-only catalog of gift cards, service top-ups and travel eSIMs sold by BlinkCodes.
clean——
24.0
1225Blixtworks
63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.
clean——
24.0
1226Block Lottos
Safe Block Lottos MCP for Base tickets and Base or Polygon jackpot reads.
clean——
24.0
1227BlockVectra: multi-chain RPC & Data API
Keyless multi-chain EVM JSON-RPC, indexed Data API, docs, CU pricing and status. API key optional.
clean——
24.0
1228com.blockventurechaincapital/bvcc-agent-wallet
Non-custodial BVCC Agent Wallet on-chain for AI agents: balances, transfers, approvals, swaps.
clean——
24.0
1229com.boardrepo/boardrepo
Search and review real KiCad and Altium PCB designs: schematics, BOMs, netlists, DRC/ERC.
clean——
24.0
1230Boat House
Deploy and share small apps with team login, persistent data, versioned updates and domains.
clean——
24.0
1231Bo Kendell — Portfolio
Bo Kendell's portfolio: projects, writing, work history, resume, and live activity.
clean——
24.0
1232BookingTruth Booking Assurance
Verifies travel bookings against supplier-authoritative evidence; honest UNKNOWN verdicts.
clean——
24.0
1233com.boothcheck/boothcheck
What a stock price is betting on: implied growth, duration, and margin, read from SEC filings.
clean——
24.0
1234Boulder County Dryer Vent Booking
Book Boulder County dryer vent cleaning via MCP ($129/$169). Confirm in 1 business day.
clean——
24.0
1235com.branderux/mcp
One message in, a full agentic application out: website and MCP app, live. Built from any AI client.
clean——
24.0
1236com.breakerdesk/breakerdesk-electrician-tools
BreakerDesk: the monthly US search demand across the tools this product ships, read from monthly...
clean——
24.0
1237Breakreach
Schedule and publish posts on 19 social networks, answer comments and DMs, read post analytics.
clean——
24.0
1238Agent Bounty Jobs
Agent-to-agent bounty board: post tasks with stated rewards, fill them, first accepted wins.
clean——
24.0
1239Quiet Menders
Privacy clinic + pay-per-call data APIs for AI agents via x402. Never pays or touches keys.
clean——
24.0
1240com.brick-byte/footnote
Every number in an AI answer traces back to the rows that produced it.
clean——
24.0
1241com.browser-use/browser-use
Control a real Chrome browser to complete any task: fill forms, extract data, book flights.
clean——
24.0
1242BRYDGE
Checks whether an agent's actions actually happened, against the destination's own records.
clean——
24.0
1243Bucky
Zoning, parcel, and development feasibility for a street address in Canada and the US.
clean——
24.0
1244com.budgetpixel/mcp
Generate AI images, video, music, and sound effects, and upscale them, from any MCP client.
clean——
24.0
1245com.burdenrateledger/burdenrateledger-tools
BurdenRateLedger: the monthly US search demand across the tools this product ships, read from...
clean——
24.0
1246com.busabase/busabase
Database for your AI agent. Turn its output into data, docs, skills, and apps you can actually use.
clean——
24.0
1247com.businessmcp/businessmcp
Your whole business as one MCP server: analytics, CRM, SEO, ads, revenue. Scoped per data class.
clean——
24.0
1248com.buzzradr/mcp
Live AI trend radar: trending AI topics, why-trending signals, daily digests. No API key.
clean——
24.0
1249ByJG Open Source Docs
Search the ByJG open source documentation: PHP, DevOps, Helm, JavaScript and AI projects.
clean——
24.0
1250com.bykaranteli/mcp
Crypto derivatives data: funding, OI, liquidations, options, ETF flows. Free account key required.
clean——
24.0

A score measures maintenance activity, not safety. A high score does not mean a server is secure, and a low one does not mean it is dangerous — see the methodology for what each signal does and does not tell you.