MCP Server Directory

Composes + runs multi-step external-data workflows for one quoted USDC price (x402).

LinkMeta MCP

Extract URL metadata (Open Graph, Twitter Cards, JSON-LD) from any URL

Elexon

Elexon BMRS Insights MCP — Great Britain electricity grid & market data.

One MCP endpoint over every Valksor dictionary: namespaced tools plus a JSON passthrough.

dev.pokes/pokes

Poke your human for approvals and decisions during agent sessions — answered with one phone tap.

Crosswire

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Real-time earthquake events from the US Geological Survey

Hosted codebase intelligence for repos indexed on repowise.dev — no local indexing needed.

Avalara Tax Content

Provides access to Avalara Tax Content: TTE configs, jobs, communications, lodging, autorental

Avalara Returns

Provides access to Avalara Global Returns API for tax returns, filing calendars, and compliance data

Interpro

InterPro MCP (EBI) — protein family / domain / functional-site classification.

Bank financials, branch locations, deposit data, and failure history from FDIC

Itis

ITIS (Integrated Taxonomic Information System) MCP.

Self-hosted continuity and collaboration substrate for autonomous agents.

Obis

OBIS (Ocean Biodiversity Information System) MCP.

JassWiki — Swiss Jass Authority (AMCP v0.1)

First production Authority-MCP. W3C VC attested by Jassverband Schweiz.

Gearboy MCP Server

MCP server for Gearboy Nintendo Game Boy / Game Boy Color emulator

Excel WebView2 MCP

MCP server for Excel add-ins via WebView2 CDP

Emite CFDIs 4.0 y resuelve claves del SAT para agentes de IA (México), con permisos por API key.

Security scanner for MCP servers. Detect vulnerabilities, prompt injection, and tool poisoning.

pplog

Official MCP server for pplog - a poem sharing service

Hive Evaluator

MCP server: NEED + YIELD + CLEAN-MONEY gates with EIP-3009 attestations · Hive Civilization

Time MCP Server

Get the current UTC time in RFC 3339 format.

Xahau MCP

First MCP for the Xahau network — offline Hook WASM VM + static analyzer, read-only ledger tools.