MCP Server Directory

OpenAkashic

Shared long-term memory vault for AI agents with 20 MCP tools.

io.github.goklab/guardvibe

Deterministic security layer your AI can't be. 441 rules, 37 tools, CLI + doctor + host audit.

OpenResearch MCP

Zero-auth research MCP server — web, GitHub, HN, Stack Overflow, OpenAlex, YouTube. No keys needed.

MCP server for trivia: 1.4M+ questions (EN+PL), 24 categories, 12 tools + 4 prompts, OAuth 2.1.

io.github.tidynest/raven-nest-mcp

AI-driven penetration testing - 22 security tools behind safety-hardened MCP endpoints

io.github.dingdawg/dingdawg-shield

AI security scanning and trust scoring. Stack-specific threat models. Free local scan.

droidprobe

Read-only MCP server to inspect an Android device over ADB: hardware, packages, permissions, logs.

com.getvaletparking/valet-parking-directory

MCP server for valet parking: 789 US operators across 31,186 cities. 7 tools. No auth.

io.github.Pantheon-Security/notebooklm-mcp-secure

Security-hardened NotebookLM MCP with post-quantum encryption

io.github.apolocine/mosta-net

1 MCP server, 13 databases, zero config. Multi-protocol transport with Auth + RBAC.

Gradus Notation

Render music notation (SVG/MusicXML/MIDI), analyze, search music theory. Free, no auth, no GUI.

Domains

Domains MCP — RDAP domain lookup (ICANN standard, free, no auth)

Decode any VIN and check open NHTSA safety recalls. Free official US government data, no auth.

it.elsas/security-intel

Daily Ed25519-signed security intelligence for AI-agent stacks; CVEs & advisories, paid via x402.

Persistent memory for AI agents with OAuth-backed hosted MCP access.

Scan configs, files, or text for leaked secrets and obvious misconfigurations. Nothing stored.

com.tinysend/tinysend

Email for agents: newsletters, subscribers, contacts, broadcasts. OAuth sign-in, no API key.

io.github.tunahanaliozturk/partner-center-mcp

Unofficial Partner Center REST API knowledge & codegen assistant (scenarios, auth, errors).

io.github.andrewszk/clawvault-mcp-server

AI agent payment security - spending limits, whitelists, and human approval.

GitHub PR Review Context

AI code review grounded in your repo history. Supports Test Gen and Security Audits.

io.github.Christopher-AS/riv-mcp

Riv MCP server — a thin shell over the Riv authorization API (authorize, get_activity).

Frogeye Security Scanner

Zero-config MCP security scanner for AI-generated apps. 25K+ vulnerability patterns.

Service Public France

French public services: tax, property, admin, education, healthcare, security, risks, legal texts

HumanHours

Track agent ROI and enrich companies via MCP. Remote, OAuth 2.1, no install or keys.