"MCP servers for general chat and backend development" matching MCP connectors:

SEO audits, Search Console, GA4, keyword and backlink data for Claude, ChatGPT and Cursor.

Toolstile is a managed MCP gateway that connects remote MCP servers behind one endpoint, with per-agent permissions, shared accounts and activity logs. Connect at https://toolstile.com/mcp over Streamable HTTP with OAuth; sign in at https://toolstile.com, select a workspace and connect your upstream servers. Available tools, resources and prompts depend on that workspace and the agent's granted access.

Find local businesses with real email addresses and run AI-written outreach to them through your AI chat.

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

Self-hosted AI workspace: semantic RAG document search, long-term memory, and AI chat via MCP.

A 3D world of rooms shared by people and AI agents: chat, walk around, and build with blocks.

Work with your DealSharp negotiation projects, documents and tools from Claude.

Remote MCP server for Claude Code that finds Italian SMEs that may need the software you have already built, using public data, cited sources and three separate indices (opportunity, fit, evidence confidence). Outreach drafts respect Italian direct-marketing rules.

Appointment booking on ekkor.hu: list services, check free slots, book and cancel in four clicks.

Is a .com/.net/.org name free, and a signed one-year quote. Demo seller, orders refused. Free.

Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.

EU VAT and EORI checks, sanctions screening, company and LEI lookup, ECB rates. Free, no key.

Weather, air quality and nearest live sensors anywhere, each with a signed receipt. Free, no key.

Get 12 testers for 14 days for Google Play closed testing, with verified daily use on real phones.

Gamedev tools for AI agents: level design, renders, sprites, GLB optimizer. Pay per call with x402.

Search hotels worldwide, compare live room rates, and create booking payment links.

Transcribe public audio/video URLs and retrieve transcripts, SRT, and VTT subtitles.

Read-only release evidence for coding agents: findings, deliveries, source and runtime data.

Read your Sharetribe marketplace's listings, users, transactions and events through Sharemates.

Live uptime and source-URL verification for AI agents, with per-call x402/USDC paid endpoints.