MCP Server Directory

Reliability + security proxy for MCP: runtime tool-security and a compliance-mapped audit trail.

End-to-end encrypted access to a Standard Notes vault (protocol 004, local stdio only).

mcpuptimeledger-mcp com.clauxel.mcpuptimeledger/mcpuptimeledger-mcp

MCP uptime, schema, auth, and SLA receipt monitoring.

This package is intended for demonstration only. Maintained by JFrog Security.

Quantum-safe vault, encryption & compliance for AI agents. NIST FIPS 203/204 ML-KEM-768 + ML-DSA-65.

Art io.github.pipeworx-io/art

Art MCP — Metropolitan Museum of Art Collection API (free, no auth)

tmpstate dev.tmpstate/tmpstate

Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.

SigRank SignalAF on-device scanner — four-token cascade, leaderboard, 25 local tools.

Gleif io.github.pipeworx-io/gleif

GLEIF MCP — Global Legal Entity Identifier Foundation (free, no auth)

AI Code Firewall — MCP Server for hallucination prevention in AI development

Model Context Protocol server for CiviCRM — AuthX-first, schema-introspected, write-gated.

Postcodes io.github.pipeworx-io/postcodes

Postcodes MCP — wraps postcodes.io UK postcode API (free, no auth)

Pubchem io.github.pipeworx-io/pubchem

PubChem MCP — NIH chemistry compound database (no auth)

Jupiter Invoice com.jupiterinvoice/server

Create and manage invoices and customers on Jupiter Invoice (MCP, API-key auth).

Value-blind secret metadata and gated workflows for AI coding agents through Phantom's local proxy.

Runtime budget authority for AI agents — reserve, enforce, reconcile spend across providers

Security scanning for websites, public repositories, and Open CLAW skills.

MCP server for Snyk API & Web — DAST scanning, findings management, and vulnerability triage

Tickory MCP server for Binance scans, alert events, and explainability.

injection-detector io.github.viridis-security/injection-detector

Formally-verified injection/exfiltration detector for AI agents (MCP-02).

SentinelScan Cloud MCP Server io.github.vndpal/sentinelscan-cloud-mcp

Remote MCP server that returns sentiment analysis results from SentinelScan API.

HiveLearn io.github.williamechevarria/hivelearn-mcp

Read and author HiveLearn courses, events, quizzes, certificates, resources, leaderboards, tracks.

SupraWall security gateway for AI agents. Provides deterministic guardrails for MCP agents.

agent-ready-kit com.mudko/agent-ready-kit

Agent-readiness scanner (0-5 score), robots.txt + llms.txt generators, managed agent enablement.