MCP Server Directory

Obsidian vault structural health: broken links, orphans, missing frontmatter, safe auto-repair.

Custosa Tools com.custosa/tools

Scans schema metadata to classify PHI, score HIPAA readiness, and generate compliant migrations.

Governed memory for AI agents (Paramind AI): conflict-checked writes, time-travel reads, ACL, audit.

Airquality io.github.pipeworx-io/airquality

Air Quality MCP — wraps air-quality-api.open-meteo.com (free, no auth)

Citybikes io.github.pipeworx-io/citybikes

Citybikes MCP — wraps CityBik.es API (free, no auth required)

Climate io.github.pipeworx-io/climate

Climate MCP — wraps Open-Meteo Climate API (free, no auth)

Crossref io.github.pipeworx-io/crossref

Crossref MCP — wraps the Crossref REST API (academic papers, free, no auth)

Dadjokes io.github.pipeworx-io/dadjokes

Dad Jokes MCP — wraps icanhazdadjoke.com (free, no auth)

Devto io.github.pipeworx-io/devto

DEV.to MCP — wraps the DEV Community API (free, no auth for public reads)

WaveGuard com.emergentphysicslab/waveguard

Anomaly detection API powered by physics simulation. Scan any data for outliers.

Greynoise io.github.pipeworx-io/greynoise

GreyNoise Community MCP — internet scanner classification (free tier with key)

Intercom io.github.pipeworx-io/intercom

Intercom MCP Pack — contacts, conversations, companies via OAuth.

Ipinfo io.github.pipeworx-io/ipinfo

IPInfo MCP — wraps ipinfo.io (free tier, no auth required for basic usage)

FirstData io.github.Vist233/firstdata

Hosted MCP server for finding authoritative primary data sources and official portals.

Enterprise PostgreSQL MCP secured by Aegis Zero-Trust to block unauthorized SQL injections.

Market Spread io.github.pipeworx-io/market-spread

market-spread MCP — cross-venue prediction-market landscape scanner.

Meteostat io.github.pipeworx-io/meteostat

Meteostat MCP — historical weather from 11k+ stations (no auth)

Openbeautyfacts io.github.pipeworx-io/openbeautyfacts

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

0n3 — the 0n runtime (0nmcp 5) io.github.0nork/0nMCP

Your apps as AI tools: one sign-in, one vault, 125 services and 1,851 endpoints, with receipts.

AI agent payment security - spending limits, whitelists, and human approval.

Videogames io.github.pipeworx-io/videogames

Videogames MCP — wraps Free-to-Play Games API (freetogame.com, free, no auth)

Zippopotam io.github.pipeworx-io/zippopotam

Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)

Audit AI skill safety before you ship. Static, semantic, adversarial, supply chain scans.

GPT-5.6-sol Agent com.llmotions.farm/gpt-5-6-sol-agent

Authenticated async GPT-5.6-sol Agent agent with status polling and artifact results.