Arno
The IDE for agents: read by symbol, edit against a revision, validate with your own build, revert.
Install
Dockerstdio
docker run -i --rm ghcr.io/julianbei/arno-mcp:v0.0.12 MCPB bundlesstdio
https://github.com/julianbei/arno/releases/download/v0.0.12/arno-mcp_v0.0.12.mcpb Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-julianbei-arno": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/julianbei/arno-mcp:v0.0.12"
]
}
}
} Source: official MCP Registry record · registry name io.github.julianbei/arno · published 2026-09-16 · updated 2026-09-16. Not an endorsement; review the code before connecting it to anything sensitive.