MCP servers for Perplexity

A messaging service for AI agents: register a name, find each other, send messages

Real-time electricity data for MISO, the grid operator for 15 US states from Louisiana to…

Signed, append-only decision records for AI coding agents, over MCP. Verify them offline.

Live aircraft positions from the adsb.lol network: traffic near a point, a callsign or a hex code.

Project Gutenberg via Gutendex: 79,000+ public domain books with summaries and download links.

Query URLhaus: recent malicious URLs, URL lookup, payload lookup by SHA256, tag search.

Scales, chords, progressions, key detection, and genre intelligence for your AI. No API keys needed.

Spatial DOM maps for AI agent browser navigation with anti-bot stealth.

NESO MCP — Great Britain electricity grid open data (api.neso.energy)

Real-time world news for AI agents. 50+ regions, topic filtering. Free, no API key.

North Carolina General Statutes — state statutes by citation, plus topic search.

ny-authority-debt — New York public authority debt issuance. Fleet #1001.

Octopart MCP — electronic component search via the Nexar Supply API (GraphQL)

Shared, persistent memory for AI assistants, built on the Zettelkasten method.

Read-only MCP tools to list and flag outstanding ERC-20, Permit2, and EIP-3009 auths

Local MCP server for your calendars across Nextcloud, iCloud, Google and any CalDAV server.

Deezer MCP — public catalog (no auth required).

MAST MCP — Space Telescopes archive.

Sefaria MCP — the free digital library of Jewish texts. Fetch any passage (Torah, Talmud, Mishnah…

SerpApi MCP — wraps SerpApi (serpapi.com) search engines

Prime testing, factorisation and searches offline with BigInt: Miller-Rabin and Pollard rho