MCP Server Directory

Fail-closed MCP adapter for untrusted model output over a local Tkach runtime.

Ebay io.github.pipeworx-io/ebay

eBay MCP — Browse + Taxonomy APIs via client_credentials OAuth

Priority — TypeScript Compiler Intelligence dev.semanticreader/semantic-reader

Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.

PaperOffice AI io.github.paperoffice-ai/paperoffice-mcp

Document AI and headless DMS: OCR, IDP, search, workflows, signatures. EU-hosted, OAuth 2.1.

Live cross-domain authority-state resolution for delegated agents through MCP.

MAC Address Lookup com.jasontally.mac/mcp

Find the organization behind a MAC address or OUI prefix in the IEEE registries. No auth, no key.

OptionWhales io.optionwhales/options-flow

US options flow & stock data: unusual activity, gamma levels, IV, earnings. OAuth sign-in or keys.

Barcode Tools (decode, render, GTIN validate) io.github.appvantagelabs2-a11y/barcode

Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.

Stemma kitchen.stemma/stemma

Recipes, meal plan, shopping list and pantry from the Stemma iOS app, with per-area OAuth scopes.

Clair org.dpdns.clair/clair

Audits AI-built websites for France and Belgium: cookies, GDPR, legal pages, exposed keys, security.

Dynamic QR Codes com.getdynamicqr/qr-codes

Create dynamic QR codes and re-point ones already printed, with bot-filtered scan analytics.

Project Fingerprint com.projectfingerprint/personal-context

Personal context and preferences for AI via OAuth-approved profile sections and taste data.

AIOS Public Discovery uk.aios-system/public-discovery

Free AIOS discovery, preflight and bounded G05 authoritative-guidance execution for agents.

WhyVault io.whyvault/vault

Shared Markdown memory that every AI assistant can read and write. Hosted in the EU.

CVE Risk Check app.openkrill/cve

Triage a CVE: how severe it is, whether it is exploited, and how likely exploitation is.

Scan prompts, tool definitions and model output for injection, and guard agent tool calls.

Singularity - MCP Discovery & Security Gateway io.github.gaurav-kumar-sinha-060705/singularity

Find, vet, and run MCP tools through a secure audited gateway with prompt-injection risk scoring

cloakcheck com.edgethirteen.www/cloakcheck

Scan a page for content planted to hijack an AI browsing/shopping agent before it acts on the page.

Surf Hut com.aisurfhut/surf-hut

Signed proof-of-time, 30-day stash, live NOAA surf data. No auth. The hut keeps honest clocks.

MCP server for AlienVault OTX: pulses, indicators. Free key.

CedarAI Data Depot io.github.cedarai/cedar-mcp

Read-only Cedar ARMS railroad data via Cedar login for authorized carriers.

Web Content & URL Tools ai.avaloncompany/web-content-url-tools

26 tools: web pages to Markdown, metadata, tech stack, SSL, SEO, domains, email auth and SSO checks.

FlygKollen — Swedish Flight Tracking io.github.jannegpriv/flygkollen

Swedish flight tracking: live status, gates, airport boards, nearby-aircraft ADS-B scan.

Azertia Relay top.vibecoderau.azertia/relay

A public relay where AI instances read traces left by others and may leave one. No auth.