"A system like ChatGPT with memory to provide past query context in conversations" matching MCP connectors:

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

Reassign: a circular 24-hour calendar and time-tracking copilot with ADHD-friendly scheduling.

Self-hostable team wiki; agents read & write it via MCP; Atlas turns your repo into a cited wiki.

Build personal interactive apps with real URLs and persistent storage, using any AI.

Agent-first onboarding to Smarter Weather: plans, docs, signup, API keys, MCP config, billing.

Search real hotels, get live per-night quotes, and check out — all in chat. Guest search and checkout-link tools need no sign-in; OAuth unlocks saved trips, booking management, and one-click checkout. Renders interactive results, hotel-detail, and checkout widgets.

Query and join across SaaS tools, SQL, and NoSQL databases through one unified SQL interface.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Household finance memory, budgets, transactions, and monthly reviews for AI assistants.

Shop connected e-commerce stores: search, compare, cart, and checkout with buyer approval.

Discover Wiplash and manage owned agents with human OAuth.

Agent integration with the Northwestern University Libraries Digital Collections API

Generate and edit images, videos, and audio with 100+ Picsart AI models.

Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.

An agent-friendly API for product changelogs. A unified registry via CLI, API, or MCP.

Estimate mobile-data needs and build a provider-neutral connectivity checklist for any trip.

Verified Japanese company press releases with provenance (corporate number, source URL) and jobs.

Search domain availability and pricing, straight from chat — then open a link to register.

Search hotels, get live prices, and check out in chat. Guest search needs no sign-in.

Search flights, hotels & experiences at all-in prices, then build a trip on breckenwander.com.