Install A2A Agent Card Cross-SDK Signature Conformance for Claude Desktop

Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.

Open ~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows, or ~/.config/Claude/claude_desktop_config.json on Linux.
Paste the JSON config below.
Replace placeholder secrets, then restart the client if it does not reload on its own.

~/Library/Application Support/Claude/claude_desktop_config.json

{  "mcpServers": {    "textforagents-a2a-agent-card-cross-sdk-signature-conformance": {      "url": "https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp"    }  }}

Where the config lives

System	Path
macOS	`~/Library/Application Support/Claude/claude_desktop_config.json`
Windows	`%APPDATA%\Claude\claude_desktop_config.json`
Linux	`~/.config/Claude/claude_desktop_config.json`