MCP Clients
Works with every MCP client
One connector URL. 40+ apps that can already speak Model Context Protocol — from Claude to Cursor, ChatGPT to Zapier.
Featured integrations — full setup guide
Claude
Claude.ai · Desktop · Code
Four clicks in Claude.ai or one command in Claude Code.
Read setup guideOpenAI
ChatGPT · Codex · GPT-5
Function tools, Assistants API, or the MCP bridge.
Read setup guide
Gemini
Gemini · Gemini CLI
Function declarations for Gemini and Vertex AI.
Read setup guide
OpenClaw
Autonomous agents
Add Callsy as a skill — the agent dials on its own.
Read setup guide
Make
Scenario automation
Drop Callsy into any scenario. No code.
Read setup guide
Lovable
AI app builder
Ship a voice-calling app from a single prompt.
Read setup guideFull directory
Every MCP client Callsy plugs into
If it speaks MCP, it can call Callsy. No per-tool configuration, no custom code.
Web Clients
(3)Desktop Apps
(4)CLI Tools
(10)Amp
Claude CodeGuide
Copilot CLI
Crush
Factory
Gemini CLIGuide
OpenAI CodexGuide
Opencode
Qwen Code
Rovo Dev CLI
IDE Extensions
(16)Amazon Q
Augment Code
Cline
Continue
Cursor
JetBrains IDEs
Kilo Code
Kiro
Qodo Gen
Roo Code
Trae
Visual Studio
VS Code
Windsurf
Zed
Zencoder
AI Coding Agents
(2)Copilot
Antigravity
Automation & No-code
(5)Don't see your tool?
Any client that supports Model Context Protocol can call Callsy. If it reads an MCP URL, you're in — paste and go.