MCP Server Directory

ERC-8126 Scan uk.co.cybercentry/erc-8126-scan

378k+ ERC-8004 agents and their security verifications. Two tools free, the rest USDC over x402.

Persistent workflow graph server tracking tasks, decisions, spatial entities, and blockers.

HelpRent Da Nang com.helprentdanang/rentals

Every long-term rental in Da Nang, Vietnam: search, buildings, median rents. No key, no account.

imaginode ai.imaginode/imaginode

Generate AI images and videos from 89 models on one credit balance, refunds on failure.

Local visual UI cache for AI agents using perceptual hashing, CLIP, and 3D spatial grounding.

Apple Human Interface Guidelines search, lookup, and project audits for AI coding agents.

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

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

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

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

reference-data dev.asiaref/reference-data

Asian govt data, cited to source: rates, VAT, tax, wages, holidays, FX. 28 countries; Japan free.

freebox com.usefreebox/freebox

Find free stuff near any US ZIP, priced for resale. Live listings, resale estimates, alerts.

Plant phenotyping via PlantCV — returns traits plus the segmentation overlay they came from

Bounded local runtime evidence from explicit artifacts and typed direct targets.

SPLIDIA — operational notes and capabilities com.splidia/notes

Fibre optics, OTDR, network design and data centre notes from SPLIDIA, plus its service catalogue.

Webhound ai.webhound/webhound

Budgeted reports and datasets with Hound, Webhound's DeepSeek V4 Pro + GPT-5.4 research harness.

Peek — URL metadata & Markdown io.github.smeltworks-labs/peek

Link-preview metadata and clean page-to-Markdown for any public URL. No install.

financial-data uk.wintergreen/financial-data

Financial data for AI agents: crypto data, Polymarket odds, weather/oil calibration, trust scoring.

Capture HTTP, email, and DNS callbacks with webhook.site from MCP clients.

AI-Advisors ai.ai-advisors/mcp

Read-only AI search visibility data: citations, AEO audits, and advisor insights from AI-Advisors.

Venture Foundry QA io.github.ventureagent-ai/venture-foundry-qa

Preflight QA for AI-agent deliverables with structured verdicts and repair guidance.

pkg-oracle — Dependency Trust Oracle io.github.julian-martin89/pkg-oracle

Blocks typosquatted or hallucinated npm/PyPI packages before an AI agent installs them.

Defici Marketplace MCP Server com.defici/marketplace

Search and browse global classifieds across 80 markets. No auth required for read-only access.

Finnhub MCP by usefulapi io.usefulapi/finnhub

Quotes, company profiles, fundamentals, earnings and IPO calendars, plus market and company news.

reference-data dev.ausref/reference-data

Oceania govt data, cited: rates, VAT, tax, wages, holidays, FX. 8 countries; Australia free.

socal-business-registrations io.github.seanthings/socal-business-registrations

New Southern California business registrations: name, filing date, entity type, agent, address.