Add binary to output JSON schema for config (#202)

Author: Matthew Hawkins

crates/apollo-mcp-server/Cargo.toml

@@ -4,6 +4,7 @@ version.workspace = true
 authors.workspace = true
 edition = "2024"
 license-file = "../LICENSE"
+default-run = "apollo-mcp-server"
 
 [dependencies]
 anyhow = "1.0.98"
@@ -43,3 +44,12 @@ tracing-test = "0.2.5"
 
 [lints]
 workspace = true
+
+[[bin]]
+name = "apollo-mcp-server"
+path = "src/main.rs"
+
+[[bin]]
+name = "config-schema"
+path = "src/config_schema.rs"
+test = false

crates/apollo-mcp-server/src/config_schema.rs

@@ -0,0 +1,18 @@
+//! Binary to output the JSON Schema for Apollo MCP Server configuration files
+
+// Most runtime code is unused by this binary
+#![allow(unused_imports, dead_code)]
+
+use anyhow::Context;
+use schemars::schema_for;
+
+mod runtime;
+
+fn main() -> anyhow::Result<()> {
+    println!(
+        "{}",
+        serde_json::to_string_pretty(&schema_for!(runtime::Config))
+            .with_context(|| "Failed to generate schema")?
+    );
+    Ok(())
+}