diff --git a/src/components/nostr/MarkdownContent.tsx b/src/components/nostr/MarkdownContent.tsx
index f967a2d..d18a14c 100644
--- a/src/components/nostr/MarkdownContent.tsx
+++ b/src/components/nostr/MarkdownContent.tsx
@@ -154,6 +154,8 @@ export function MarkdownContent({
   content,
   canonicalUrl = null,
 }: MarkdownContentProps) {
+  const { addWindow } = useGrimoire();
+
   // Helper to resolve relative URLs using canonical URL as base
   const resolveUrl = useMemo(
     () =>
@@ -214,7 +216,7 @@ export function MarkdownContent({
               />
             );
           },
-          // Handle nostr: links
+          // Handle links: nostr mentions, NIP links, and regular URLs
           a: ({ href, children, ...props }) => {
             if (!href) return null;
 
@@ -223,11 +225,42 @@ export function MarkdownContent({
               return <NostrMention href={href} />;
             }
 
-            // Regular links
+            // Check if it's a relative NIP link (e.g., "./01.md" or "01.md")
+            const isRelativeLink =
+              !href.startsWith("http://") && !href.startsWith("https://");
+            if (
+              isRelativeLink &&
+              (href.endsWith(".md") || href.includes(".md#"))
+            ) {
+              // Extract NIP number from various formats (numeric 1-3 digits or hex A0-FF)
+              const nipMatch = href.match(/([0-9A-F]{1,3})\.md/i);
+              if (nipMatch) {
+                const nipNumber = nipMatch[1].toUpperCase();
+                return (
+                  <a
+                    href={`#nip-${nipNumber}`}
+                    onClick={(e) => {
+                      e.preventDefault();
+                      e.stopPropagation();
+                      addWindow(
+                        "nip",
+                        { number: nipNumber },
+                        `NIP ${nipNumber}`,
+                      );
+                    }}
+                    className="text-accent underline decoration-dotted cursor-crosshair hover:text-accent/80"
+                  >
+                    {children}
+                  </a>
+                );
+              }
+            }
+
+            // Regular links with break-all for long URLs
             return (
               <a
                 href={href}
-                className="text-accent underline decoration-dotted"
+                className="text-accent underline decoration-dotted break-all"
                 target="_blank"
                 rel="noopener noreferrer"
                 {...props}
diff --git a/src/components/nostr/kinds/index.tsx b/src/components/nostr/kinds/index.tsx
index f357020..511e340 100644
--- a/src/components/nostr/kinds/index.tsx
+++ b/src/components/nostr/kinds/index.tsx
@@ -35,6 +35,7 @@ const kindRenderers: Record<number, React.ComponentType<BaseEventProps>> = {
   7: Kind7Renderer, // Reaction
   9: Kind9Renderer, // Chat Message (NIP-C7)
   16: RepostRenderer, // Generic Repost
+  17: Kind7Renderer, // Reaction (NIP-25)
   20: Kind20Renderer, // Picture (NIP-68)
   21: Kind21Renderer, // Video Event (NIP-71)
   22: Kind22Renderer, // Short Video (NIP-71)