MCP Server Directory

HTTP 451 unavailable-legal io.github.sadri-dridi/http-451

Meaning of HTTP 451.

LeetCode problem database: list problems by difficulty, search by title.

Monitor de Sanções CEIS/CNEP — Empresas Punidas por CNPJ io.github.paulovitorti/ceis-cnep-delta-monitor-br

Monitora CEIS e CNEP: empresas inidôneas e impedidas de licitar, por CNPJ.

Search CVE vulnerability records from the NIST NVD database. No key required.

CityHash128 hex length, input discarded io.github.sadri-dridi/city128

CityHash128 hex length, input discarded

TypeID prefix_suffix, value discarded io.github.sadri-dridi/typeid-ok2

TypeID prefix_suffix, value discarded

HQX run-length band, input discarded io.github.sadri-dridi/hqx-ok

HQX run-length band, input discarded

CUBBY HOUSE — AU Mattress Commerce for Agents io.github.GIT-access-ntwx/cubby-house

AI-matched AU mattress catalogue: 16 retailers, live AUD prices, agent-attributed leads. No auth.

MD2 hex length, input discarded io.github.sadri-dridi/md2-ok

MD2 hex length, input discarded

Agent-Native Calendar io.github.BuilderIO/agent-native-calendar

Agent-Native Google Calendar - manage events, sync, and public booking

Port 53 io.github.sadri-dridi/port-53

Whether 53 is a common TCP/UDP port.

Project Gutenberg book search (Gutendex).

CityHash32 hex length, input discarded io.github.sadri-dridi/city32

CityHash32 hex length, input discarded

HTTP 504 gateway-timeout io.github.sadri-dridi/http-504

Meaning of HTTP 504.

Star Ninja io.github.2pm-ninja/star-ninja

Star Ninja reports sky darkness, cloud cover and moonless hours for a night-sky spot you name.

ISO 8601 datetime shape io.github.sadri-dridi/iso8601-ok

ISO 8601 datetime shape

solmachina-x402 io.github.imnotamob/solmachina-x402

Solana & Base DeFi intelligence for AI agents over x402: decisions, risk, signed receipts.

HTTP 425 too-early io.github.sadri-dridi/http-425

Meaning of HTTP 425.

Keyless MCP server for PyPI: Python package versions, summaries, authors, requirements, release...

yesterday/today/tomorrow from a UTC date io.github.sadri-dridi/relative-day-utc

yesterday/today/tomorrow from a UTC date

Full text of research papers by DOI, arXiv, PMC or OpenReview id, verified against the record

esimfly-mcp io.github.eSimfly-Official/esimfly-mcp

eSIMfly Business API: search eSIM plans, check usage, diagnose eSIMs, optionally order (confirmed)

Internal test MCP server for local dev and Bifrost integration testing.

전북대학교 학생의 공지, 과제, 마감, 제출 상태와 수업자료를 읽기 전용으로 정리하는 Windows/macOS 로컬 MCP 서버입니다.