mcpblox
Supports UIby vivekhaldar
Programmable MCP proxy that transforms MCP server tools using natural language prompts.
What it does
Acts as a programmable proxy between an MCP host and server. It uses an LLM to reshape tools, rename them, reformat outputs, or create synthetic tools based on a natural language transform prompt without modifying the original server.
Tools
transform_proxy: (Core functionality) Intercepts and modifies tool definitions and call results based on the provided prompt.synthetic_tool_generation: Creates new tools by composing multiple upstream tool calls into a single orchestrated action.
Installation
{
"mcpServers": {
"mcpblox": {
"command": "npx",
"args": ["mcpblox", "--upstream", "your-mcp-server", "--prompt", "your transform"]
}
}
}
Supported hosts
Confirmed for any MCP-compatible host via HTTP/SSE or stdio.
Quick install
npm install -g mcpbloxInformation
- Pricing
- free
- Published
- 7/6/2026
- stars
- 0
Categories
Choose your AI client and follow the steps below.
Claude Desktop
{
"mcpServers": {
"mcpblox": {
"command": "npx",
"args": ["mcpblox", "--upstream", "npx @modelcontextprotocol/server-filesystem /tmp", "--prompt", "Rename read_file to cat"]
}
}
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