MCP Server Directory

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

guide-registry guide.careleader/guide-registry

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

Priority — TypeScript Compiler Intelligence dev.semanticreader/semantic-reader

Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.

Czech Company Registry (ARES) Tools io.github.appvantagelabs2-a11y/czid

Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks. All free, no auth.

Mails.ai — Agent Email ai.mails/agent-email

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

A local, permissioned MCP agent for authorized developer workstations.

guide-registry guide.mealprep/guide-registry

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

Scan a website for SEO, accessibility, performance and security issues, and read the report.

guide-registry guide.scienceleader/guide-registry

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

FreeToolHub io.github.cavan1977/freetoolhub

44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite.

Index Agentica com.indexagentica/mcp

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

Ebay io.github.pipeworx-io/ebay

eBay MCP — Browse + Taxonomy APIs via client_credentials OAuth

ProphetKey MCP bridge - encrypted local-first API key vault for AI agents, keys never exposed

Guard Core security MCP: SecurityConfig validation, docs search, live threat detection.

AgenTrux com.agentrux/agentrux

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

Reads your SECURITY.md against the EU Cyber Resilience Act reporting clock that started on 11 Septem

guide-registry guide.manufacturingleader/guide-registry

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

DomainDNA dev.workers.cybermax-tools.cybermax/domaindna-api

Tech stack, email security (SPF, DMARC, MX provider) and domain age API + MCP. 25 free domains/day.

guide-registry guide.governmentleader/guide-registry

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

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

Clair org.dpdns.clair/clair

Audits AI-built websites for France and Belgium: cookies, GDPR, legal pages, exposed keys, security.

Intended's authority layer as MCP tools: ALLOW/ESCALATE/DENY decisions with signed tokens.

Censys io.github.pipeworx-io/censys

Censys MCP — internet-scan search over the Censys Platform API (censys.com)

VulnHunt Security Intelligence io.github.owenkingva-web/vulnhunt

Read-only smart-contract security intelligence for autonomous agents.