Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
36,053 servers
Showing 10,705–10,752 of 36,053 servers
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Whether a number looks like unix milliseconds
streamable-httpio.github.sadri-dridi/unix-ms-ok
Whether a number looks like unix milliseconds
official 31 tools -
Days in the current UTC month
streamable-httpio.github.sadri-dridi/month-days
Days in the current UTC month
official 31 tools -
Unix day-of-year from seconds
streamable-httpio.github.sadri-dridi/unix-doy
Unix day-of-year from seconds
official 31 tools -
UTC fiscal quarter 1-4
streamable-httpio.github.sadri-dridi/fiscal-q
UTC fiscal quarter 1-4
official 31 tools -
BLAKE3 hex length, input discarded
streamable-httpio.github.sadri-dridi/blake3-len
BLAKE3 hex length, input discarded
official 31 tools -
FNV-1a 64 hex length, input discarded
streamable-httpio.github.sadri-dridi/fnv64-len
FNV-1a 64 hex length, input discarded
official 31 tools -
XXH3 hex length, input discarded
streamable-httpio.github.sadri-dridi/xxh3-len
XXH3 hex length, input discarded
official 31 tools -
Pragma token charset, value discarded
streamable-httpio.github.sadri-dridi/pragma-ok
Pragma token charset, value discarded
official 31 tools -
HSTS max-age band, value discarded
streamable-httpio.github.sadri-dridi/hsts-ok
HSTS max-age band, value discarded
official 31 tools -
ALPN protocol token, value discarded
streamable-httpio.github.sadri-dridi/alpn-ok
ALPN protocol token, value discarded
official 31 tools -
Mongo ObjectId hex length, value discarded
streamable-httpio.github.sadri-dridi/objectid-ok
Mongo ObjectId hex length, value discarded
official 31 tools -
Crockford Base32 ULID shape, value discarded
streamable-httpio.github.sadri-dridi/ulid-crock
Crockford Base32 ULID shape, value discarded
official 31 tools -
TypeID prefix_suffix shape, value discarded
streamable-httpio.github.sadri-dridi/typeid-ok
TypeID prefix_suffix shape, value discarded
official 31 tools -
Knots to km/h, number discarded
streamable-httpio.github.sadri-dridi/knot-kmh
Knots to km/h, number discarded
official 31 tools -
Watts to horsepower, number discarded
streamable-httpio.github.sadri-dridi/watt-hp
Watts to horsepower, number discarded
official 31 tools -
PSI to bar, number discarded
streamable-httpio.github.sadri-dridi/psi-bar
PSI to bar, number discarded
official 31 tools -
Punycode host shape, value discarded
streamable-httpio.github.sadri-dridi/puny-host
Punycode host shape, value discarded
official 31 tools -
Lowercase hex charset, input discarded
streamable-httpio.github.sadri-dridi/hex-lcase
Lowercase hex charset, input discarded
official 31 tools -
Base45 charset, input discarded
streamable-httpio.github.sadri-dridi/base45-ok
Base45 charset, input discarded
official 31 tools -
MessagePack marker count, body discarded
streamable-httpio.github.sadri-dridi/msgpack-ok
MessagePack marker count, body discarded
official 31 tools -
dotenv key count, values discarded
streamable-httpio.github.sadri-dridi/dotenv-ok
dotenv key count, values discarded
official 31 tools -
plist key count, values discarded
streamable-httpio.github.sadri-dridi/plist-ok
plist key count, values discarded
official 31 tools -
Integer square-root band, number discarded
streamable-httpio.github.sadri-dridi/sqrt-ok
Integer square-root band, number discarded
official 31 tools -
aispace
stdiosh.aispace/mcp
Secure, expiring artifact storage and handoff for AI agents.
official 3 secrets -
Block Lottos
stdiocom.blocklottos/blocklottos
Safe Block Lottos MCP for Base tickets and Base or Polygon jackpot reads.
official -
agent health
streamable-httpwork.autonet/agent-health
Free owned-agent uptime monitoring, DNS domain proof, signed alerts and opt-in endpoint checks.
official 21 tools -
Inoh
streamable-httpapp.inoh/inoh-mcp
Search the Inoh dictionary and create, track and delete your own vocabulary flashcards.
official -
ulup spaces mcp
streamable-httpcom.ulupspaces.www/ulup-spaces-mcp
Create projects, nodes, and tasks in UluP Spaces by conversation with Claude.
official -
Nutanix Prism Central
stdioio.github.wyre-ai/nutanix-mcp
Multitenant Streamable HTTP bridge over Nutanix's official v4 API MCP server (Prism Central).
official 3 secrets -
Licence audit, page read and endpoint check (AI-operated)
streamable-httpdev.workers.rjhsignaltech.ai/licence-audit
AI-operated. Free previews: licences, page reads, endpoint checks. Paid full versions over x402.
official 4 tools -
Licence audit, page read and endpoint check - paid over x402 (AI-operated)
streamable-httpdev.workers.rjhsignaltech.ai/licence-audit-paid
AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.
official 3 tools -
SekkeiFlow
streamable-httpcom.sekkeiflow/sekkeiflow
Read and update your SekkeiFlow life boards, counters and AI coach from any MCP client.
official -
Zas
stdioio.github.soke1556/zas-agent
Move files and notes between a coding agent and your Zas channels, encrypted here or via Directo.
official -
life
streamable-httpcom.uluplife/life
Create and search memories in your personal life constellation, UluP Life.
official 2 tools -
Яндекс Директ API v5
stdioio.github.artgas1/yandex-direct-api-mcp
MCP server for Yandex Direct API v5: 113 methods from the machine-readable schema
official 8 secrets -
Software Sausage Recipe Finder
streamable-httpio.github.pinkpwningclub/recipes
Find source-linked AI tool recipes and retrieve complete, reproducible run kits.
official 2 tools -
OffStereo
streamable-httpio.github.andzar22/offstereo
Builds narrated, playable music stories, explores sample lineage, and saves verified playlists.
official 12 tools -
capslane
streamable-httpio.github.webba-creative-technologies/capslane
Retrieve existing or generated YouTube transcripts with timestamps through Capslane.
official 1 secrets -
magpie search
stdioio.github.xfloukiex-lab/magpie-search
Federated local-first search across transcripts, files, KG, vectors and the web for AI agents.
official -
OpsDoctor
stdioio.github.jhicks935-lab/opsdoctor
AI-powered CRM diagnostics, workflow audits, and industry benchmarks for SMBs.
official 3 secrets -
Thrifle
streamable-httpcom.thrifle/mcp
US return policies, price-match rules, discounts, deals and Amazon price verdicts. Read-only.
official 24 tools -
otwarteAPI.pl
streamable-httpio.github.bartosz-kuc/otwarteapi
Official public & government APIs, dozens of countries: registers, statistics, open data. Keyless.
official 1 tool -
TabTree
stdioapp.tabtree/tabtree
Turn conversations into mind maps and whiteboards — in your TabTree account, or local files.
official 2 secrets -
COS Monitor
streamable-httpio.github.internexio/cos-monitor
Scores website pages for communication quality, tracks regressions, surfaces a fix queue.
official 13 tools -
molecare mcp
stdioio.github.molecare/molecare-mcp
Educational dermatology knowledge and mole tracking. No credentials needed. Not a medical device.
official 5 secrets -
Via hop count, value discarded
streamable-httpio.github.sadri-dridi/via-ok
Via hop count, value discarded
official 31 tools -
SNI hostname shape, value discarded
streamable-httpio.github.sadri-dridi/sni-ok
SNI hostname shape, value discarded
official 31 tools -
Square-bracket id shape, value discarded
streamable-httpio.github.sadri-dridi/square-ok
Square-bracket id shape, value discarded
official 31 tools
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