MCP Server Directory

TANDIU AI infrastructure data cn.tandiu/data

Free, no auth. Daily CN AI infra: LLM prices, index, trends, GPU, estimators, agents, PC, funding.

Ebay io.github.pipeworx-io/ebay

eBay MCP — Browse + Taxonomy APIs via client_credentials OAuth

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

Clair org.dpdns.clair/clair

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

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

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

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.

guide-registry guide.mealprep/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

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.

Image OCR Extractor (Apify Actor) io.github.truhojunbot-tech/image-ocr-extractor

OCR text from images and scanned PDFs; pay-per-event via your Apify account.

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

OptionWhales io.optionwhales/options-flow

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

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

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

API Hubs io.github.SergiyIva/apihubs

Generate AI video, images and music. Browse models and prices; OAuth and one prepaid balance.

CVE Risk Check app.openkrill/cve

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

guide-registry guide.localleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

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

LovedOne Soft MCP app.lovedone/soft

LovedOne Soft: clients, visits, notes, invoices, scheduling. API key or OAuth care_circle:write.

Pylon SEO io.pylonseo/pylon-seo

Audit, rank-track and analyze SEO for sites via an authenticated MCP server.

Cubicle com.algotrada.cubicle/cubicle

Agent trading tools: candles, copy-trading, hire a strategy for your Robinhood vault, pay on chain

Market Brew ai.marketbrew/marketbrew

Read-only Market Brew search engine modeling and AI visibility data via OAuth.

AgentStack (agentstack.tech) io.github.agentstacktech/agentstack

Backend for AI agents: one batched tool over ~668 actions (hosting, storage, auth, payments).

PlateQuery MCP — US License Plate & Vehicle Information com.platequery/plate-api

License plate lookup for AI agents: plate messages and ALPR history via PlateQuery. OAuth 2.1.

RatedWithAI accessibility checker com.ratedwithai/accessibility-checker

Scan a live web page for WCAG 2.1/2.2 AA issues with axe-core: score, grade, failing rules.