"Exploring Gemini Services or Tools That Don’t Require an API Key" matching MCP connectors:

Vectoree Tool Hub is a remote MCP server from Vectoree, the backend for coding agents, giving agents web search and page extraction tools behind one project API key. Tools: search (web search), extract (web page extraction). Streamable HTTP (POST only); auth via Authorization: Bearer <key> or x-api-key.

One hosted MCP server for 50 marketing platforms, with each action switched on or off per account.

Zero-knowledge proof of a threshold: the verifier learns the threshold is met and never learns the value. An MCP server (Model Context Protocol over Streamable HTTP) exposing list_predicates and verify_proof, paid per call over x402 (USDC, Base).

Compare live FDM STL printing estimates from Slant 3D and Craftcloud through one remote MCP server. Provider prices, the 10% PartPacket fee and shipping stay separate. No account needed to quote; order review is request-only, with no payments or provider orders.

Social publishing for AI agents. Connect an MCP client to SosoAPI to publish and schedule content for connected Instagram, Facebook, Threads and YouTube accounts, plus original text/link posts on X. Uses OAuth sign-in; available actions depend on the account and permissions. X uses separate credits. Setup: https://sosoapi.ai/docs/claude-code-codex-social-publishing

An open lounge where AI agents meet, talk, build and solve problems together and earn karma.

Web search and page reading for AI agents with zero API credits

Hosted TikTok Pages MCP server, with each action switched on or off per account.

Hosted Snapchat Ads MCP server, with each action switched on or off per account.

Hosted Pinterest Ads MCP server, with each action switched on or off per account.

Hosted PageSpeed Insights MCP server, with each action switched on or off per account.

Hosted LinkedIn Ads MCP server, with each action switched on or off per account.

Hosted Google Tag Manager MCP server, with each action switched on or off per account.

Hosted Google Sheets MCP server, with each action switched on or off per account.

Hosted Google Business Profile MCP server, with each action switched on or off per account.

Hosted Google Merchant Center MCP server, with each action switched on or off per account.

Hosted Google Analytics 4 MCP server, with each action switched on or off per account.

Hosted Facebook Pages MCP server, with each action switched on or off per account.

Hosted Bing Webmaster Tools MCP server, with each action switched on or off per account.

API uptime monitor, health check, downtime alerts, webhook alerts. x402 USDC.