MCP Server Directory

Delx Protocol — Agent Recovery & Continuity io.github.davidmosiah/delx-protocol

Free agent recovery and continuity. Public triage; register for a token to access private memory.

MCP runtime security proxy. Blocks dangerous AI agent tool calls with a policy engine.

Whetstone link.cyberelf.whetstone/tools

Verifier-grounded AI promotion gates, disposable report cards, and signed PASS/HOLD/BLOCK receipts.

Kristo Intelligence io.github.hristovdimitri2-hub/kristo-intelligence

Pay-per-call DeFi intelligence for AI agents on Base — x402, USDC, no keys.

PCD (Portable Context Deck) ai.portablecontext/pcd

Your portable context layer — load it into any AI.

Mercantry Registry org.mercantry/registry

Agent-native registry: 168k+ real restaurants in LA, Hong Kong & Tokyo. Unranked, honest signals.

Rent real NVIDIA GPUs from your agent. Browse with no wallet; pay per second onchain.

Japanese open-data MCP server: corporate-number validation, zengin bank codes, national holidays

PostgreSQL MCP — query databases, inspect schemas, explain queries.

Drive Argus anti-detect browser profiles: isolated identities with their own fingerprint and proxy.

Unofficial SberBank Online: read accounts and operations, transfer with human approval.

Self-hosted operating layer for AI agents: knowledge, continuity, coordination, and governance.

EngScript Engineering MCP com.engscript/mcp

Engineering calculation MCP server for oil and gas engineering applications.

High-resolution GeoSphere Austria weather, storms and air quality. Austria and the Alps only.

dropcoin-invoice io.github.freshfos/dropcoin-invoice

German e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.

MUJ428 Trust Layer — Bind Approved Intent to Verified Effect io.github.wmujahid428-web/muj428-trust-layer

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

Audit trail and traceability for AI agents. MCP gate: evaluate, ingest, request approval.

Books & Papers MCP Server io.github.jmrplens/libgen-mcp

Federated search of books and papers, formatted citations, open-access retrieval and reading.

Product analytics for user flows: aha moments, retention, funnels, per-user dot plots. YC method.

Leafle net.nanosheep/leafle

Personalised book recommendations, filtered to what's on your public library's shelf right now.

registry global.rootz.rental/registry

AI-native Caribbean vacation-rental registry: pricing, licensing, availability, source-linked.

MCP server exposing an Outflow workspace's live architecture graph as context for AI coding agents

Umlout io.github.dmkorj/umlout

Build Umlout projects: objects with types and fields, relations, and boards that draw them.

KCI (Korea Citation Index) literature & citation search via REST Open API + OAI-PMH