MCP Server Directory

35054 Model Context Protocol servers — searchable, rated, ready to install.

duckduckgo-mcp io.github.mrfentmen/duckduckgo-mcp

Instant answers, definitions, and topic summaries from DuckDuckGo. No key required.

local git Official Registry
Model Ruler — AI Cost Calculators io.github.helphub369/model-ruler

Read-only AI/LLM cost tools with current MCP discovery and attributable Registry transport.

remote git ai-llm Official Registry
LoopGrid MCP io.github.loopgridio/loopgrid-mcp

MCP bridge for tamper-evident evidence around consequential AI and agent decisions.

local git Official Registry
UPI ID OSINT - Phone to UPI VPAs + Bank Names (India) io.github.AnshumanAtrey/upi-id-osint

UPI ID OSINT - Phone to VPAs + Bank Names India | Bulk

remote git finance Official Registry
dummyjson-mcp io.github.mrfentmen/dummyjson-mcp

Dummy JSON test data. No key required.

local git dev-tools Official Registry
BitBooth Seller Routes io.github.Drock91/bitbooth-routes

Create private x402 seller routes, set prices, and route payouts directly to your wallets.

local git Official Registry
patents-mcp io.github.mrfentmen/patents-mcp

Search US patents and patent applications from Google Patents. No key required.

local search git Official Registry
mygene-mcp io.github.mrfentmen/mygene-mcp

Gene annotations from mygene.info: search genes by symbol or keyword and read full records

local search git Official Registry
name-age-mcp io.github.mrfentmen/name-age-mcp

Estimate age and gender from a first name using Agify and Genderize. No key required.

local git Official Registry
gitignore-mcp io.github.mrfentmen/gitignore-mcp

Gitignore templates from Toptal. No key required.

local git Official Registry
C# Class Analyzer MCP io.github.undy-mosq/CSharpAnalyserMcp

A read-only MCP server that lets an AI assistant browse any C# solution through Roslyn.

local git Official Registry
ScreenSeal io.github.wthall05/screenseal-mcp

Sanctions screening for AI agents: check a name against OFAC and EU lists. Free during launch.

remote git Official Registry
Mass Spectrometry Data (mzML, Bruker TDF, vendor conversion) io.github.K-Dense-AI/labmcp-ms-data

MCP server for LC-MS data in mzML/mzMLb and Bruker timsTOF files; vendor formats via msconvert.

local git Official Registry
GTFS Scorecard io.github.ChelseaKR/gtfs-scorecard

Read-only GTFS transit feed scorecards: grades, plain-language fixes, and history.

local git Official Registry
Penny Search io.github.ayoubsalem-spec/penny-search

Low-cost live web search for current facts, news, research, docs, and web grounding via x402.

remote search git Official Registry
meser10-mcp io.github.meser10/meser10-mcp

Operate the Meser 10 email and SMS platform from any MCP client. Read-only by default.

local git communication Official Registry
chord-mcp io.github.mrfentmen/chord-mcp

Build chords and scales from note names locally. No network and no key.

local git dev-tools Official Registry
coverage-exception io.github.builtforai/coverage-exception

Why Medicare Part D restricts a drug, and the exception and appeal path to challenge it

remote git Official Registry
OuterSpace Apizr io.github.Alien6-Studio/outerspace-apizr

Python capability compiler: read-only analysis, experiment history/comparison and exposure planning.

local git dev-tools Official Registry
Who Ictrp io.github.pipeworx-io/who-ictrp

WHO ICTRP — the International Clinical Trials Registry Platform search portal…

remote local search git Official Registry
lowdown-proxy io.github.PetShopBros/lowdown-proxy

Look up MCP Registry declarations, npm package status, and daily observations of MCP servers.

remote local git Official Registry
jikan-mcp io.github.mrfentmen/jikan-mcp

Search anime and manga from MyAnimeList through the Jikan API. No key required.

local search git Official Registry
ourword io.github.woowoeth/ourword

Search Chinese deep-reads of 190+ podcasts; every point and quote has an audio timestamp.

local search git Official Registry
smithsonian-mcp io.github.mrfentmen/smithsonian-mcp

MCP server for Smithsonian collections: artifacts, art, specimens. Free key.

local git Official Registry
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