Witness for Claude Desktop
io.github.tfitzgerwitness/witness
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
client:Claude Desktop
transport:streamable-http
tools:1
Install Witness in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"witness": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://witness-contractwitness-production.witness-test.workers.dev/mcp"
]
}
}
}Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs