MCP Server Directory

MailSenpai com.mailsenpai/mcp

MailSenpai: lists, campaigns, DNS & spam checks (74 tools, OAuth, EU). SMTP Senpai: SMTP & API.

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

Carryo Website Publisher io.carryo/website-publisher

Publish and update HTML websites, landing pages, reports and proposals from AI chat. OAuth sign-in.

Azertia Relay top.vibecoderau.azertia/relay

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

Censys io.github.pipeworx-io/censys

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

Alkemata Knowledge Gateway com.alkemata/public-knowledge

Read Alkemata articles and maps; submit reviewed proposals; create map content with authorization.

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

13 rules that decide whether a vulnerability report ever reaches you

Index Agentica com.indexagentica/mcp

Search a curated directory of agent tools, MCP servers, APIs, protocols and skills. 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.

FlutterGo ai.fluttergo/remote

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

guide-registry guide.localleader/guide-registry

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

Doppler API: projects, configs, secrets listing and download. Needs service or personal token.

Read PDFs locally: text, pages, metadata, scan detection, layout, permissions, render, OCR.

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.

Barcode Tools (decode, render, GTIN validate) io.github.appvantagelabs2-a11y/barcode

Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.

Shapesoda com.shapesoda/vectorizer

Vectorize images: PNG/JPG to SVG, PDF, EPS, DXF. Turns logos, icons and scans into clean vectors.

vulnrable com.vulnrable/vulnrable

Security grades for MCP servers and npm/PyPI packages, ranked by CISA KEV and EPSS.

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

Pantry Buddy com.bonbrain/pantry-buddy

Your kitchen in chat: pantry stock, shopping lists, recipes and scanned grocery receipts.

guide-registry guide.pokerplayer/guide-registry

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

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.

CVE Risk Check app.openkrill/cve

Triage a CVE: how severe it is, whether it is exploited, and how likely exploitation is.

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