ChatGPT MCP and Apps: extensions you can try

Adding cfosilvia.com/mcp as a connector and signing in lets users ask about their finances inside ChatGPT, Claude or Grok, while accounts and reports stay in Silvia.

An MIT-licensed, self-hosted read-only Canvas connector with 26 tools for courses, assignments, grades and announcements, using a personal access token.

DarkFeed's MCP endpoint connects to Claude, Cursor, ChatGPT and other agents so they can query live victim data, with per-org rate limits.

After enabling "let my agent see my wallet," MCP apps such as Claude, ChatGPT and Muse can read-only query coin value, daily moves, liquidity and P&L; off by default and free.

A daily open-source roundup covers NVIDIA OpenShell, Claude-Red, OpenFilm, openai/mcp-extensions, Papermorph and MiniMax-M3.1-Flash with a one-line description each.

A self-hosted MCP server where different agents dump and recall memories from one shared store; the author connected Meta Muse and Grok, and warns to run it only on a local network or Tailscale.

ether.fi launched read-only AI Connections letting Claude, ChatGPT or any MCP assistant view transactions, cards and balances, with permissions off by default and expiring after 90 days, plus new statement exports.

A PayPal Braintree engineer breaks down three agent payment paths: ChatGPT's MCP app with Agentic Commerce Protocol tokenization, Google AI Mode via Universal Commerce Protocol, and an MCP widget handing off to external checkout.

Walmart launched an MCP server called Agent Gateway, live with ChatGPT, Gemini and Meta's Muse, letting approved agents search inventory and buy without seeing payment details.

Paste 100 domains to see each one's exposed PHP version and whether it is patched, with a fix prompt per result openable in Claude or ChatGPT, plus an API and MCP server.

Security scanner FYEO released an MCP server that lets Claude or ChatGPT read scans and findings, walk through fixes, and queue a new scan.

Solana trading and AI platform OrbitX says it hardened security platform-wide; wallets are PIN-encrypted and AI assistants trading via MCP cannot export private keys.