MCP Server Directory

MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants

Credential isolation for AI agents. Inject secrets at the network boundary.

ArXiv io.github.guptaprakhariitr/arxiv-mcp

ArXiv preprint search, daily category digest, and author-collaborator graph.

Register/verify your domains, queue security scans, and read findings (CVE, severity).

Security audit for AI agents — scan code/diffs for leaked secrets, check deps via OSV.

On-chain trust verification and Street Cred for AI agents. ERC-8004, multi-chain.

bakeryos io.github.jessedu29260-netizen/bakeryos

BakeryOS bakery-management MCP — recipes, costs, production; propose changes via OAuth.

hush com.royashbrook/hush

A secret store for AI agents: the agent never sees the plaintext.

patch-tuesday io.github.jonnybottles/patch-tuesday

Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment

Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.

An MCP server that provides access to FedRAMP 20x security requirements and controls.

Security-first web access for Claude. Sanitizes pages, blocks injection, redacts PII.

Remote MCP security gateway for auth, redaction, policy enforcement, and audit logging.

Docu-Scan MCP com.spocont/docu-scan

PDF and document extraction via Google Document AI. Free trial available.

Local-first supply-chain security gate for npm/pnpm/bun: typosquat, release age, provenance checks

OAuth 2.0 for AI agents — scoped delegation tokens, audit trails, and revocation.

nexus-mcp io.github.nexus-api-lab/nexus-mcp

Japanese LLM security — prompt injection detection (jpi-guard) + PII masking (PII Guard). Free.

agentlock io.github.Olum289/agentlock

Security gateway for AI agents: policy, approval, and audited execution, no secrets shared.

TomeVault io.github.olijboyd/tomevault

Check AI instruction files, look up a company's record, and keep a dated record of your own.

An MCP server that provides tools to author OSCAL security compliance documentation

Authority-weighted memory graph for AI agents with conflict detection and semantic search.

Alienvault Otx io.github.pipeworx-io/alienvault-otx

AlienVault OTX MCP — Open Threat Exchange (free with key)

ArchGraph dev.archgraph/mcp

Code intelligence platform for AI agents. 20 tools for architecture, security & impact analysis.

Governs what AI agents do: tool calls, SQL, commands, files checked against policy before they run.