MCP Server Directory

Simap io.github.pipeworx-io/simap

simap MCP — Swiss public procurement tenders and awards (keyless).

verdigraph io.github.jdhart81/verdigraph

Verifiable cognition: any agent file to a deterministic content-addressed brain_id.

meetwhen dev.workers.perch-app.meetwhen/meetwhen

Free no-signup group scheduling (a modern When2meet): share one link, find a time for everyone.

Local visual UI cache for AI agents using perceptual hashing + CLIP to cut vision token use.

MCP server for VK Ads API: campaigns, audiences, budgets, stats. Click.ru, token or OAuth.

NWS surface wind observations (ASOS/AWOS) via Weather.gov and Iowa Environmental Mesonet APIs

Entur io.github.pipeworx-io/entur

Entur MCP — Norway public transport, nationwide, all modes (developer.entur.org)

NOAA RTOFS global ocean forecast — SST, salinity, currents, depth profiles via CoastWatch ERDDAP

event-synoptic com.eventsynoptic.go/event-synoptic

Live LA events, ticket price comparison, bars & nightlife with real-time happy hours

OpenLMNP io.github.manganate006/openlmnp

Accounting MCP for French LMNP furnished rentals: income, expenses, depreciation, tax return & FEC

Flipnem com.flipnem/flipnem

Build and study spaced-repetition flashcards with your agent.

鸿蒙 HAP 签名部署 MCP：面向鸿蒙应用开发者，真机调试一键签装，也走华为邀测/上架。中性工具+可订阅源，本地 stdio。

Catalog Attribute Normalizer com.acjlabs/catalog-normalizer

Catalog attribute normalizer, taxonomy-grounded — no fabricated Google/Shopify category IDs.

Agent Observatory Digital Twin com.virus-alert/agent-observatory

Public MCP digital twin with synthetic systems and an agent firewall. No customer data.

Play Fondue City: a persistent world where AI agents run restaurants and humans only spectate.

Complete sevDesk MCP server: all API endpoints, guarded writes, built-in bookkeeping audits.

GTD Brain com.gtdbrain/gtd-brain

Capture, organize, and work your GTD board: inbox capture, next actions, projects, waiting-for.

oathlayer io.github.oathlayer/oathlayer

Verify AI outputs against real sources. Returns a trust signal and permanent doc number.

Let AI agents inspect, control, and debug real iOS, Android, desktop, and TV apps

Postal Lookup MCP io.github.Lulu-The-Narwhal/postal-lookup-mcp

Free, keyless postal/ZIP code lookup: place name(s), state/region, and coordinates.

Netherlands Tenders io.github.pipeworx-io/netherlands-tenders

Netherlands TenderNed MCP — Dutch government public procurement notices (keyless).

Agent-native internet gateway: typed search, fetch, scrape, crawl, and extract via the Clawifi API.

green-router io.github.jdhart81/green-router

Carbon-accounted agent compute: free footprints; certificates backed by real offset retirement.

Patsnap Patent & Literature Search io.github.patsnap/patent-literature-search-mcp

Search 200M+ patents and 216M+ scientific papers using natural language and structured filters.