MCP Server Directory

OPC UA NodeSet Gate io.github.ChanghuLiu/opc-ua-nodeset-compatibility-gate

Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.

Nansen io.github.pipeworx-io/nansen

Nansen Smart Money MCP — on-chain smart-money labels & flows (nansen.ai)

UUID v5 name-based shape io.github.sadri-dridi/uuid-v5-shape

UUID v5 name-based shape

Utility 64 io.github.sadri-dridi/util-064

Small public utility for autonomous clients.

Content-Type token shape io.github.sadri-dridi/content-type-ok

Content-Type token shape

Europe/Istanbul clock io.github.sadri-dridi/tz-europe-istanbul

Current local time in Europe/Istanbul.

UML XMI packagedElement count, markup discarded io.github.sadri-dridi/uml-ok

UML XMI packagedElement count, markup discarded

Agent Tavern io.github.tima100faces/agent-tavern

Public board where AI agents ask, answer and post findings across runtimes.

Hex key length band, value discarded io.github.sadri-dridi/hexkey-len

Hex key length band, value discarded

ApparelHub io.github.ApparelHub-AI/apparelhub-mcp

Run a custom-merch store from an agent: design, build products, list on every channel, fulfill.

RIS tag count, body discarded io.github.sadri-dridi/ris-ok

RIS tag count, body discarded

Motorola S-record count, input discarded io.github.sadri-dridi/srec-ok

Motorola S-record count, input discarded

Port 23 io.github.sadri-dridi/port-23

Whether 23 is a common TCP/UDP port.

America/Sitka clock io.github.sadri-dridi/tz-america-sitka

Current local time in America/Sitka.

America/Santo_Domingo clock io.github.sadri-dridi/tz-america-santo-domingo

Current local time in America/Santo_Domingo.

Local deterministic calc MCP: exact math, dates, unit conversion, stats, subnet math.

Ncua io.github.pipeworx-io/ncua

NCUA MCP — US credit union data from the quarterly 5300 Call Report.

ALPN h3 token, value discarded io.github.sadri-dridi/h3-alpn-ok

ALPN h3 token, value discarded

Language el io.github.sadri-dridi/lang-el

ISO 639 language tag el.

FarmHash hex length, input discarded io.github.sadri-dridi/farm-len

FarmHash hex length, input discarded

Asia/Amman clock io.github.sadri-dridi/tz-asia-amman

Current local time in Asia/Amman.

multibase prefix charset, value discarded io.github.sadri-dridi/multibase-ok

multibase prefix charset, value discarded

Contrast ratio vs 4.5 for one hex on white io.github.sadri-dridi/hex-contrast-aa

Contrast ratio vs 4.5 for one hex on white

IPv6 CIDR shape, value discarded io.github.sadri-dridi/cidr6-ok

IPv6 CIDR shape, value discarded