Validate email addresses by format, MX record, and disposable domain. No key required.
56,506 MCP servers
Search questions and read answers across Stack Exchange sites. No key required.
Six Flags MCP for Claude — live wait times, park hours, shows, and day planning
One routable IPv6 per AI agent, verifiable from the DNS root. Keyless tools need no signup.
Tables and ledgers checked by arithmetic, not by a model. 24 tools. MCP 2026-07-28 ready.
Search, inspect and install Ballmac UI React and Tailwind components, blocks and templates.
Ozon Seller & Performance API, 156 tools; responses trimmed 476k to 64k tokens.
FastMCP server for Python-native GDAL ops (Rasterio/PyProj/pyogrio|Fiona/Shapely)
Document signing: draft agreements, prepare signing requests, send them and track who has signed.
HubSpot CRM: contacts, deals, tickets, line items, properties, marketing, files, workflows, threads
Persistent agent memory as plain Markdown in your repo - readable, diffable, with provenance.
MCP server for FreshRSS, the self-hosted RSS feed aggregator
Create and edit PDFs: text, Markdown, tables, metadata and pages, with Japanese font embedding.
MCP server for Gmail with OAuth2 (personal) and service account (Workspace) support.
Generic markdown vault MCP with hybrid search
Read-only MCP diagnostics server for RavenDB.
The body an agent asks before it acts: decide, approve, and keep a signed record on your machine.
MCP server for checking RU counterparties via FNS open data (EGRUL/EGRIP, EFRSB, KAD, FSSP).
Search 1,673 source-linked exam blueprints with reviewed guidance. Read-only; no API key.
MCP server for systematic thinking, mental models, debugging approaches, and memory management
Cisco Modeling Labs (CML) MCP Server