docs(v04): use printf %s placeholders in mcp_call helper (review feedback)

couragehong · couragehong · commit a49d4e758c87 · 2026-04-27T11:35:09.000+09:00
diff --git a/docs/v04/progress/phase-a-mcp-boot.md b/docs/v04/progress/phase-a-mcp-boot.md
@@ -129,7 +129,7 @@ mcp_call() {
     sleep 0.3
     printf '%s\n' '{"jsonrpc":"2.0","method":"notifications/initialized"}'
     sleep 0.1
-    printf '%s\n' "{\"jsonrpc\":\"2.0\",\"id\":2,\"method\":\"tools/call\",\"params\":{\"name\":\"$tool\",\"arguments\":$args}}"
+    printf '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"%s","arguments":%s}}\n' "$tool" "$args"
     sleep 0.5
   } | ./bin/rune-mcp 2>/dev/null | jq -c 'select(.id==2)'
 }

Original file line number	Diff line number	Diff line change
`@@ -129,7 +129,7 @@ mcp_call() {`
`129`	`129`	`sleep 0.3`
`130`	`130`	`printf '%s\n' '{"jsonrpc":"2.0","method":"notifications/initialized"}'`
`131`	`131`	`sleep 0.1`
`132`		`- printf '%s\n' "{\"jsonrpc\":\"2.0\",\"id\":2,\"method\":\"tools/call\",\"params\":{\"name\":\"$tool\",\"arguments\":$args}}"`
	`132`	`+ printf '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"%s","arguments":%s}}\n' "$tool" "$args"`
`133`	`133`	`sleep 0.5`
`134`	`134`	`} \| ./bin/rune-mcp 2>/dev/null \| jq -c 'select(.id==2)'`
`135`	`135`	`}`