feat: add Python SDK to For Developers section on nostrkey.com

Replace Development section with combined For Developers section
featuring the nostrkey Python SDK (pip install nostrkey) for OpenClaw
AI entities, plus the existing build-from-source instructions.
Add Python SDK to Related Repositories in README.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: vveerrgg

README.md

@@ -138,6 +138,7 @@ Lx7 / Vaiku                 LLM.being infrastructure
 | [nostrkey.browser.plugin.src](https://github.com/HumanjavaEnterprises/nostrkey.browser.plugin.src) | Browser extension (this repo) | v1.5.5 |
 | [nostrkey.app.android.src](https://github.com/HumanjavaEnterprises/nostrkey.app.android.src) | Android app (WebView wrapper) | v1.1.1 |
 | [nostrkey.app.ios.src](https://github.com/HumanjavaEnterprises/nostrkey.app.ios.src) | iOS app (WKWebView wrapper) | v1.1.1 |
+| [nostrkey.app.OC-python.src](https://github.com/HumanjavaEnterprises/nostrkey.app.OC-python.src) | Python SDK for OpenClaw AI entities | v0.1.0 ([PyPI](https://pypi.org/project/nostrkey/)) |
 
 Mobile apps use dual-WebView architectures (background + UI) with platform-specific bridges (`AndroidBridge.kt` / `IOSBridge.swift`) to translate Chrome extension APIs into native functionality.
 

docs/index.html

@@ -408,21 +408,36 @@ <h3>Firefox Installation</h3>
         </section>
 
         <section>
-            <h2>NIPs Supported</h2>
-            <ul>
-                <li><strong>NIP-01</strong> — Basic protocol</li>
-                <li><strong>NIP-04</strong> — Encrypted DMs v1 (deprecated, kept for compatibility)</li>
-                <li><strong>NIP-07</strong> — Browser extension API</li>
-                <li><strong>NIP-19</strong> — Bech32 encoding (npub, nsec)</li>
-                <li><strong>NIP-44</strong> — Encrypted messaging v2 (ChaCha20-Poly1305)</li>
-                <li><strong>NIP-46</strong> — Nostr Connect / nsecBunker</li>
-                <li><strong>NIP-49</strong> — Encrypted key export (ncryptsec)</li>
-                <li><strong>NIP-78</strong> — App-specific data (vault storage)</li>
-            </ul>
-        </section>
+            <h2>For Developers</h2>
 
-        <section>
-            <h2>Development</h2>
+            <h3>Python SDK — NostrKey for AI Entities</h3>
+            <p>Give your AI its own cryptographic identity. The <code>nostrkey</code> Python package lets OpenClaw bots generate keypairs, sign events, encrypt data, and connect to Nostr relays.</p>
+            <pre><code>pip install nostrkey</code></pre>
+            <pre><code>from nostrkey import Identity
+
+# Create a new AI identity
+bot = Identity.generate()
+print(f"npub: {bot.npub}")
+
+# Sign a Nostr event
+event = bot.sign_event(kind=1, content="Hello from an OpenClaw bot!")
+
+# Save identity (encrypted)
+bot.save("my-bot.nostrkey", passphrase="strong-passphrase")</code></pre>
+            <p style="font-size: 0.875rem; color: var(--text-muted);">Implements NIP-01 (events), NIP-19 (bech32), NIP-44 (encryption), and NIP-46 (bunker). <a href="https://loginwithnostr.com/openclaw" style="color: var(--accent-secondary);">Learn more about OpenClaw identity</a></p>
+
+            <div class="cta-row" style="margin-bottom: 32px;">
+                <a href="https://pypi.org/project/nostrkey/" target="nostrkey-web" class="btn">
+                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M4 17l6-6-6-6m8 14h8"/></svg>
+                    PyPI Package
+                </a>
+                <a href="https://github.com/HumanjavaEnterprises/nostrkey.app.OC-python.src" target="nostrkey-web" class="btn btn-secondary">
+                    <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor"><path d="M12 0C5.37 0 0 5.37 0 12c0 5.31 3.435 9.795 8.205 11.385.6.105.825-.255.825-.57 0-.285-.015-1.23-.015-2.235-3.015.555-3.795-.735-4.035-1.41-.135-.345-.72-1.41-1.23-1.695-.42-.225-1.02-.78-.015-.795.945-.015 1.62.87 1.845 1.23 1.08 1.815 2.805 1.305 3.495.99.105-.78.42-1.305.765-1.605-2.67-.3-5.46-1.335-5.46-5.925 0-1.305.465-2.385 1.23-3.225-.12-.3-.54-1.53.12-3.18 0 0 1.005-.315 3.3 1.23.96-.27 1.98-.405 3-.405s2.04.135 3 .405c2.295-1.56 3.3-1.23 3.3-1.23.66 1.65.24 2.88.12 3.18.765.84 1.23 1.905 1.23 3.225 0 4.605-2.805 5.625-5.475 5.925.435.375.81 1.095.81 2.22 0 1.605-.015 2.895-.015 3.3 0 .315.225.69.825.57A12.02 12.02 0 0024 12c0-6.63-5.37-12-12-12z"/></svg>
+                    Python SDK Source
+                </a>
+            </div>
+
+            <h3>Browser Extension — Build from Source</h3>
             <pre><code>git clone https://github.com/HumanjavaEnterprises/nostrkey.browser.plugin.src.git
 cd nostrkey.browser.plugin.src
 npm install
@@ -450,10 +465,6 @@ <h2>Development</h2>
                     Report Issue
                 </a>
             </div>
-        </section>
-
-        <section>
-            <h2>Build from Source</h2>
 
             <h3>Chrome Sideload (Developer Mode)</h3>
             <ol style="list-style: decimal; padding-left: 24px;">