Joey MCP Client
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About this app
Joey MCP Client is an open-source AI chat app that lets you connect to any AI model through OpenRouter and extend those models with powerful tools and services.
Chat with any AI model
Access hundreds of leading AI models through OpenRouter, including GPT, Claude, Gemini, Deepseek and more. Joey connects via OAuth with configurable spending limits, so you stay in control of your usage — no surprise bills, no API keys to manage.
Connect your tools and services
Joey supports the Model Context Protocol (MCP), an open standard that lets AI models interact with external tools and services. Connect to multiple remote MCP servers simultaneously over HTTP, giving your AI conversations access to services like Google Drive, Slack, email, calendars, CRMs, and more.
Image support
Send images to vision-capable models directly from your camera, gallery, or clipboard. Great for asking questions about screenshots, documents, photos, and more.
Advanced MCP features
Joey goes beyond basic tool calling with support for advanced MCP capabilities:
▶ Sampling - MCP servers can request additional LLM completions, enabling complex multi-step AI workflows
▶ Elicitation - MCP servers can present interactive forms to gather input from you mid-conversation
Open source
Joey is fully open source. Browse the code, report issues, or contribute on GitHub:
https://github.com/benkaiser/joey-mcp-client-flutter
Chat with any AI model
Access hundreds of leading AI models through OpenRouter, including GPT, Claude, Gemini, Deepseek and more. Joey connects via OAuth with configurable spending limits, so you stay in control of your usage — no surprise bills, no API keys to manage.
Connect your tools and services
Joey supports the Model Context Protocol (MCP), an open standard that lets AI models interact with external tools and services. Connect to multiple remote MCP servers simultaneously over HTTP, giving your AI conversations access to services like Google Drive, Slack, email, calendars, CRMs, and more.
Image support
Send images to vision-capable models directly from your camera, gallery, or clipboard. Great for asking questions about screenshots, documents, photos, and more.
Advanced MCP features
Joey goes beyond basic tool calling with support for advanced MCP capabilities:
▶ Sampling - MCP servers can request additional LLM completions, enabling complex multi-step AI workflows
▶ Elicitation - MCP servers can present interactive forms to gather input from you mid-conversation
Open source
Joey is fully open source. Browse the code, report issues, or contribute on GitHub:
https://github.com/benkaiser/joey-mcp-client-flutter
AI chat powered by OpenRouter - connect your own tools and services
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesApp activity
- Data is encrypted in transit
- Data can’t be deleted
What’s new
• Custom instructions per MCP server — Give any MCP server its own system prompt that applies whenever it's connected to a chat
• Easier MCP sign-in — Servers that require OAuth client registration now connect automatically with Dynamic Client Registration
• Latest MCP protocol — Support for the newest MCP (2026-07-28) servers, with automatic fallback for older ones
• Bug fixes and stability improvements
• Easier MCP sign-in — Servers that require OAuth client registration now connect automatically with Dynamic Client Registration
• Latest MCP protocol — Support for the newest MCP (2026-07-28) servers, with automatic fallback for older ones
• Bug fixes and stability improvements
Everyone
Learn moreApp support
About the developer
Benjamin Kaiser
support@kaiserapps.com
24 Tambourah Dr
Benowa QLD 4217
Australia
