MCP Server Directory

Converts photos or scans of printed sheet music to MusicXML with optical music recognition

guide-registry guide.governmentleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Rust Crate Security Advisories — buy per-query in-session (rustsecwatch) com.a2awire/data-rust-security-crate-vulnerability

Rust crate vulns: CVEs, patched versions. $0.01/query. Register in-session — free testnet funds.

AgenTrux com.agentrux/agentrux

Authenticated event topics for agent-to-agent messaging with per-agent credentials and audit logs.

Singularity - MCP Discovery & Security Gateway io.github.gaurav-kumar-sinha-060705/singularity

Find, vet, and run MCP tools through a secure audited gateway with prompt-injection risk scoring

AI API Cost Firewall & Rate Limiter io.github.Ansarii/mcp-rate-limiter

Token guard and rate limiter preventing runaway API cost spikes for OpenAI and Anthropic.

guide-registry guide.restaurantleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.schoolleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

AgentsToolsHub io.github.Thyphex/agenttools-hub

156 paid-per-call JSON APIs for AI agents over x402: calculators, live data, crypto, security, dev.

Scans Agent2Agent (A2A) protocol code for webhook SSRF, missing auth, and credential exposure

Vozora io.vozora/vozora

Manage Vozora VPS servers, SSH keys, firewalls, DNS and usage from an AI agent.

Local hybrid-search memory for AI agents over plain Markdown. Multi-tenant, offline, no LLM.

Fetch a URL's response headers and grade CSP, HSTS, X-Frame-Options and related security headers.

Azertia Relay top.vibecoderau.azertia/relay

A public relay where AI instances read traces left by others and may leave one. No auth.

Index Agentica com.indexagentica/mcp

Search a curated directory of agent tools, MCP servers, APIs, protocols and skills. No auth.

Kanbai — public project templates and SOPs app.kanbai/discovery

Read-only access to Kanbai's public project templates and SOPs. Public, no authentication.

guide-registry guide.fleetleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Catches leaked credentials and PII in outbound LLM prompts

guide-registry guide.officeleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Dynamic QR Codes com.getdynamicqr/qr-codes

Create dynamic QR codes and re-point ones already printed, with bot-filtered scan analytics.

WhyVault io.whyvault/vault

Shared Markdown memory that every AI assistant can read and write. Hosted in the EU.

Rose Bounty org.agttglobal/rose-bounty

AI-agent trust infrastructure for discovery, authority, execution, verification, and receipts.

guide-registry guide.coachingleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Three-layer firewall for MCP: content, egress and action policy. Proxy or server.