Every MCP server in the official registry that has something to show: 20 023 in total, of which 8 654 answered our last handshake and 1 739 are listed as active but do not respond. Sorted by uptime, real installs and the number of tools each one exposes — not by date added.
New to this? What an MCP server is, and what all 20 023 of them expose — written from our own handshakes, not from the specification.
8 654 answering 9 276 with real installs 109 441 tools indexed
Full-text search, browse, and resume across your coding agent sessions (Claude Code, Codex, Amp)
Copy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files
GNSS positioning and astrodynamics: orbit propagation, passes, GNSS solves, and RINEX QC
MCP server for Healthchecks.io API
Extract colors from stylesheets and code, with their notation and position.
Extract dates and timestamps from logs, data files and code, with their format and position.
Compare dotenv files and report which keys are missing or extra, by name only.
Extract numeric values from config files, data files and plain text.
Extract file and directory paths from config files and code, with their kind and position.
Extract regular expressions from code, each with a ReDoS safety verdict.
Analyse robots.txt content and report whether a path may be crawled.
Detect hardcoded secrets in source and config. Reports masked previews, never the values.
Extract string values from config files, data files and plain text.
Extract URLs from documentation, configuration and code, with their protocol and position.
An MCP server that lets AI agents check whether an email address or domain is disposable.
Local stdio MCP server for rstream setup, tunnels, WebTTY, and remote operations.
Cross-exchange liquidation tape, paid per call in USDC on Algorand. Free catalog, no key needed.
Kubernetes visibility for AI agents: query workloads, events, logs, topology, and Helm releases.
Search inside digitised books, browse the Internet Archive catalogue and read Wayback captures.
Search inside scanned US newspapers and browse the Library of Congress catalogue. No API key.
Search the Wikibooks Cookbook, read a recipe and rescale it to any number of servings.
Persistent stateful remote SSH sessions for AI agents via MCP + OpenSSH.
MCP server exposing TrueCalc spreadsheet formula evaluation as tools for AI assistants.