MCP Server Directory

serionist/omniverse-mcp

Let an AI assistant work in NVIDIA Isaac Sim and other Omniverse Kit apps

aurumflux20/once-kernel

Run a side effect exactly once under retries, redelivery, and concurrent workers.

stringsofthemind-oss/once

Developer assessment/setup MCP; admitted Once boundaries protect writes, not sibling connectors.

madlabs-tech/onchain-data-mcp

Blockchain data for EVM and Solana: balances, tokens, prices, DeFi and RPC via free-tier vendors

aitools420/onchain-safety-mcp

Token-safety for AI agents: rug/honeypot verdict + score across PulseChain, Monad, Base & BSC

adelaidasofia/parse-mcp

One MCP, many parsers. Routes between markitdown, Docling, and LlamaParse. Plus an interpret tool…

oneshopmanager/prestashop-mcp

PrestaShop 1.6 to 9: catalog, stock, orders, accounting; changes wait for your approval.

pipeworx-io/mcp-onedrive

OneDrive (Microsoft Graph) MCP Pack

pipeworx-io/mcp-oneinfo-storage

Italian regulated disclosures direct from 1INFO — keyless, same-day-fresh.

oneqaz-trading/oneqaz-trading-mcp

Verifiable crypto/KR/US market intelligence for AI agents: signals, hash-chained ledger. Not advice.

blockparty-global/1s-mcp

Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs

pipeworx-io/mcp-onet

ONET MCP — wraps the ONET Web Services (US DOL) occupation taxonomy (services.onetcenter.org).…

farbodghasemlu/darkweb-mcp

Local, read-only onion search and text retrieval over Tor with content filtering.

RichieB2B/onlineafspraken-slots-mcp

Read available slots from a public OnlineAfspraken widget URL without an account.

Onlydns/onlydns-mcp

Model Context Protocol server for OnlyDNS to manage DNS zones, records, DNSSEC, and TSIG keys.

Delegueinu/onlyswaps

DEX meta-aggregator for AI agents. Best prices from 15+ aggregators across 13 chains.

Owaid0723666/onomeo-mcp

Ask free LLMs (DeepSeek, GLM, Gemini, Mistral) for a second opinion from any MCP client.

pipeworx-io/mcp-onthisday

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

pipeworx-io/mcp-ooni

OONI MCP — internet censorship & website reachability measurements from the Open Observatory of…

alex3000-ai/ootlebook

Read the Tari base layer (Minotari): chain tip, blocks and miners' coinbase data. Read-only.

Anselmoo/mcp-ooxml-ledger

Edit Office documents and prove no edit went unrecorded

opafex/opafex-mcps

Human approval gate for AI agents: risk-scored requests that only a person can approve

open-banking-io/mcp-server

Read-only MCP server for the open-banking.io PSD2 bank API — accounts, balances, transactions.

pipeworx-io/mcp-open-contracting

Open Contracting MCP — international public procurement: government tenders and contract awards…

pipeworx-io/mcp-open-corporates

OpenCorporates MCP — Global company registry data (BYO key)

pipeworx-io/mcp-open-elevation

Open-Elevation MCP — terrain elevation by lat/lon (no auth)

openenterprise-info/open-enterprise-ai-mcp-server

Connect Claude Code, Cursor & Windsurf to 2,600+ enterprise data sources with one binary.

pipeworx-io/mcp-open-fec

OpenFEC MCP — Federal Election Commission campaign finance data

mrfentmen/open-food-facts-mcp

Use this MCP server to Open Food Facts product, ingredient, allergen, and nutrition lookup....

pipeworx-io/mcp-open-meteo

Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs

pipeworx-io/mcp-open-notify

Open Notify MCP — ISS position + people in space

NOTTIBOY137/mcp-open-registry-poc

PoC: Open Registry supply chain — unvetted server listing (security research)

pipeworx-io/mcp-open-sanctions

OpenSanctions MCP — global sanctions and PEP data.

JCrossman/can-fed-camp-mcp

Find and prepare Parks Canada reservations while keeping the citizen in control.

mambalabsdev/mcp-open-tender-rfp-finder

Open public tenders and RFPs from UK, EU TED, and Canadian portals, one row per notice.

myAI-2025/weather-mcp

Current weather and hourly forecasts for any place name, via the free Open-Meteo API. No API key.

charlacsina/openaeo-audit

Asks 8 AI crawlers for your page, checks who really answered, and writes the fixes. MIT.

pipeworx-io/mcp-openaire

OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

mrfentmen/openalex-mcp

Use this MCP server to OpenAlex scholarly works, authors, institutions, and citations. Tools...

pipeworx-io/mcp-openalex

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

Asthanaji05/OpenAPI_MCP

Turn any OpenAPI 3 spec into a working MCP server. One file, local (stdio) or remote (HTTP).

mikegaruccio/openapi-navigator

Navigate and query OpenAPI specs with fuzzy search, pagination, and API testing

alyiox/mcp-openapix

MCP server that fronts any OpenAPI service: discover operations from its spec and call them

nhan7777/openapi-swagger-mcp

Discover Swagger/OpenAPI operations and call configured dev/UAT APIs through 11 fixed tools.

pipeworx-io/mcp-openaq

OpenAQ MCP — global air-quality measurements via the OpenAQ v3 API.

whz14/openathlete

Unified Garmin and COROS training data, analysis, memory, and workout scheduling for AI agents

pipeworx-io/mcp-openbeautyfacts

Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).

AndrewAubury/openbusdata-mcp

MCP server for UK Bus Open Data with timetable parsing, journey planning and live tracking.