MCP Servers

H

homebrew-mcp

mrfentmen

Homebrew formula details from the official API. No key required.

H

html-to-markdown-mcp

mrfentmen

Convert HTML to clean markdown locally. No network and no key.

H

http-inspector-mcp

mrfentmen

Fetch a URL and report its status, headers, and size. Runs locally.

H

httpbin-mcp

mrfentmen

HTTP request testing from HTTPBin. No key required.

H

huggingface-mcp

mrfentmen

Hugging Face models and datasets. No key required for public data.

I

iana-tld-mcp

mrfentmen

Official list of top level domains from IANA. No key required.

I

ipify-mcp

mrfentmen

Your public IP address from ipify. No key required.

J

jsdelivr-mcp

mrfentmen

Package versions and CDN statistics from jsDelivr. No key required.

J

json-schema-store-mcp

mrfentmen

Browse the JSON Schema Store catalog. No key required.

J

json-tools-mcp

mrfentmen

Validate, format, and inspect JSON locally. No network and no key.

J

jsonplaceholder-mcp

mrfentmen

Placeholder JSON test data. No key required.

J

jwt-tools-mcp

mrfentmen

Decode and verify JSON Web Tokens locally. No network and no key.

L

leetcode-mcp

mrfentmen

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

L

lorem-mcp

mrfentmen

Generate lorem ipsum and filler text locally. No network and no key.

M

mac-lookup-mcp

mrfentmen

Look up the vendor of a MAC address from the MAC Vendors database. No key required.

M

markdown-mcp

mrfentmen

Convert markdown to HTML and extract headings locally. No network and no key.

M

maven-info-mcp

mrfentmen

Search Java libraries and artifacts on Maven Central. No key required.

M

mdn-search-mcp

mrfentmen

Search the MDN web docs for HTML, CSS, and JavaScript. No key required.

N

nix-packages-mcp

mrfentmen

Nix package search from nixpkgs. No key required.

N

npm-search-mcp

mrfentmen

Search npm packages and inspect package metadata from the public registry. No key required.

N

nuget-mcp

mrfentmen

Search .NET packages on NuGet. No key required.

P

package-registry-mcp

mrfentmen

Look up npm and PyPI packages: versions, descriptions, and metadata. No key required.

P

packagist-mcp

mrfentmen

Look up PHP packages, versions, and downloads from Packagist. No key required.

P

phone-validator-mcp

mrfentmen

Validate and format international phone numbers locally. No network and no key.

P

placehold-mcp

mrfentmen

Placeholder images from Placehold.co. No key required.

P

postman-echo-mcp

mrfentmen

HTTP request echo from Postman Echo. No key required.

R

regex-mcp

mrfentmen

Test, describe, and validate regular expressions locally. No network and no key.

R

repology-mcp

mrfentmen

Repology: package versions across many software repositories

R

restful-api-dev-mcp

mrfentmen

Test objects from restful-api.dev. No key required.

S

shields-mcp

mrfentmen

Generate shields.io style badge URLs. No key required.

S

sourcegraph-mcp

mrfentmen

Search public code on Sourcegraph. No key required.

S

sql-formatter-mcp

mrfentmen

Format SQL queries into readable layouts locally. No network and no key

S

swaggerhub-mcp

mrfentmen

Search the SwaggerHub API registry for public API definitions. No key required.

T

terraform-registry-mcp

mrfentmen

Terraform providers and modules from the registry. No key required.

T

text-tools-mcp

mrfentmen

Slugify, convert case, and encode text locally. No network and no key.

T

time-tools-mcp

mrfentmen

Convert timestamps, compute date differences, and format durations locally. No network and no key.

U

unpkg-mcp

mrfentmen

Package file metadata from the unpkg CDN. No key required.

U

uuid-mcp

mrfentmen

Generate UUIDs and validate formats locally. No network and no key.

Y

yaml-mcp

mrfentmen

Parse, stringify, and validate YAML locally. No network and no key.

Gamedev tools for AI agents: level design, renders, sprites, GLB optimizer. Pay per call with x402.

Docs to Markdown, SEC filings, insider trades, Treasury yields, FRED macro, FX rates, dev utils.

Pay-per-result data tools: bulk APIs, docs to Markdown, OCR, files, datasets, papers, tech stack

A

agentready

msanchezgrice

Scan any public site for AI-agent visibility; get scored findings, a machine-readable fix pack, and

Email deliverability check: MX, SPF, DKIM, DMARC, blacklists, MTA-STS, DNSSEC, BIMI. Graded, no key

C

Curated Finds — GitHub Tools & Hugging Face Models

myworkingmemory

Find GitHub tools and Hugging Face models: source links, licenses, setup notes and review dates

M

mzizi-mcp

mzizi-dev

Mzizi design system MCP: components, tokens, skills and docs. Free; sign-in only for Fundi

MCP server for AI assistants: read, write, edit, and manage files securely on local filesystem

M

Modern CLI MCP Server

NacoSolutions

MCP server exposing 104+ modern CLI tools for AI agents with JSON output

Find domains and domain hacks with live availability, registrar prices, and keyword search demand

Stack intelligence from real production Rails apps. Compare gems, scan a Gemfile

Build, test and publish iPaaS flows, apps, forms and AI agents in Neblex, in the cloud or on-prem.

Run up to 25 Apify Actors in order in one call, passing each step's dataset to the next

Google PageSpeed Insights (Lighthouse) scores, Core Web Vitals and top speed fixes for every URL

Send one HTTP request, or one per row of a dataset, CSV or Google Sheet, and get the response back

App websites with privacy pages and app-ads.txt, plus Google Play & App Store app data.

B

Barcode Generator

barcodegen.net

Generate barcodes and QR codes in 35 symbologies: QR, Data Matrix, PDF417, EAN-13, Code 128, more.

Coordination rooms for AI coding agents: path locks, tasks, and conflict alerts. Metadata only

Developer utilities MCP server: base64, hash, slug, uuid v4, timestamp, urlencode. Free, no key.

D

devutils

devutils.bigfloppy.net

Free hosted dev toolkit: uuid, hash, base64, JWT decode, CSV->JSON, time, JSON tools as MCP

Premium test server verified via DNS-TXT