MCP Server Directory

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

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

Debian Security Advisories — buy per-query in-session (debianwatch) com.a2awire/data-debian-security-advisory-dsa-linux

Debian Security Advisories (DSA). $0.01/query. Register in-session — free testnet funds.

guide-registry guide.startupleader/guide-registry

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

accessproof com.edgethirteen.www/accessproof

Scan a web page's markup for the WCAG failures ADA demand letters cite most often.

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.

Authentication-Info nextnonce shape, value discarded io.github.sadri-dridi/auth-info

Authentication-Info nextnonce shape, value discarded

FlutterGo ai.fluttergo/remote

Create, edit, preview, and build Flutter apps via FlutterGo.AI cloud MCP (OAuth).

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.

Save This One io.github.yemyat/save-this-one

Save, search, read, tag, and organize your bookmarks from AI assistants with OAuth sign-in.

Catches leaked credentials and PII in outbound LLM prompts

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

Authorizes MCP tool calls against a session policy, not one call at a time.

Website compliance checks for Russian personal data law 152-FZ: score, violations, fix instructions.

insumer com.insumermodel/insumer

Wallet auth: send a wallet and conditions, get a signed boolean across 37 chains.

guide-registry guide.gamedesigner/guide-registry

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

guide-registry guide.selfhelp/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. 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.

13 rules that decide whether a vulnerability report ever reaches you

Checks declared npm/PyPI dependencies against real registries to catch slopsquatting

btlabs Core dev.btlabs/core

btlabs Core MCP endpoint: site content and brand data for AI agents. OAuth or API key.

guide-registry guide.facilitiesleader/guide-registry

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

WCAG 2.1 AA accessibility scanner (Playwright + axe-core) with grounded, browser-verified fixes.

guide-registry guide.counselor/guide-registry

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

guide-registry guide.farmleader/guide-registry

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