diff --git a/api/index.api.md b/api/index.api.md
index 755040a3..ab516a48 100644
--- a/api/index.api.md
+++ b/api/index.api.md
@@ -1991,7 +1991,7 @@ export const ERROR_CODES: {
 };
 
 // @public
-export const ERROR_DOCS_URL = "https://github.com/LinuxDevil/agent-sdk/blob/main/docs/errors.md";
+export const ERROR_DOCS_URL = "https://lousho.com/errors";
 
 // @public
 export const ErrorAttr: {
diff --git a/docs/errors.md b/docs/errors.md
index 3a8b6286..375db980 100644
--- a/docs/errors.md
+++ b/docs/errors.md
@@ -18,7 +18,7 @@ error tells you what to do:
 
 ```text
 ConfigurationError: createAgent: no model configured. Do one of the following: (1) pass a model: ...
-[LOUSHO_CONFIG_MISSING_PROVIDER] Pass a model string such as createAgent({ model: 'openai/gpt-4.1-mini' }), a provider instance, or set LOUSHO_MODEL or a provider API key. (https://github.com/LinuxDevil/agent-sdk/blob/main/docs/errors.md#lousho_config_missing_provider)
+[LOUSHO_CONFIG_MISSING_PROVIDER] Pass a model string such as createAgent({ model: 'openai/gpt-4.1-mini' }), a provider instance, or set LOUSHO_MODEL or a provider API key. (https://lousho.com/errors#lousho_config_missing_provider)
 ```
 
 A run that rejects (`send()`, `stream()`'s `result`, a session turn,
diff --git a/llms-full.txt b/llms-full.txt
index 7e134a6d..fac0e9be 100644
--- a/llms-full.txt
+++ b/llms-full.txt
@@ -8209,7 +8209,7 @@ error tells you what to do:
 
 ```text
 ConfigurationError: createAgent: no model configured. Do one of the following: (1) pass a model: ...
-[LOUSHO_CONFIG_MISSING_PROVIDER] Pass a model string such as createAgent({ model: 'openai/gpt-4.1-mini' }), a provider instance, or set LOUSHO_MODEL or a provider API key. (https://github.com/LinuxDevil/agent-sdk/blob/main/docs/errors.md#lousho_config_missing_provider)
+[LOUSHO_CONFIG_MISSING_PROVIDER] Pass a model string such as createAgent({ model: 'openai/gpt-4.1-mini' }), a provider instance, or set LOUSHO_MODEL or a provider API key. (https://lousho.com/errors#lousho_config_missing_provider)
 ```
 
 A run that rejects (`send()`, `stream()`'s `result`, a session turn,
diff --git a/src/execution/errors.test.ts b/src/execution/errors.test.ts
index b7f42c49..d7d7aba4 100644
--- a/src/execution/errors.test.ts
+++ b/src/execution/errors.test.ts
@@ -37,9 +37,9 @@ describe('Error Classes', () => {
       const error = new SDKError('Boom', 'LOUSHO_CONFIG_INVALID');
       const help =
         '[LOUSHO_CONFIG_INVALID] Fix the option named in the message. ' +
-        '(https://github.com/LinuxDevil/agent-sdk/blob/main/docs/errors.md#lousho_config_invalid)';
+        '(https://lousho.com/errors#lousho_config_invalid)';
       expect(error.hint).toBe('Fix the option named in the message.');
-      expect(error.docs).toBe('https://github.com/LinuxDevil/agent-sdk/blob/main/docs/errors.md#lousho_config_invalid');
+      expect(error.docs).toBe('https://lousho.com/errors#lousho_config_invalid');
       expect(error.message).toBe(`Boom\n${help}`);
       expect(error.toString()).toBe(`SDKError: Boom\n${help}`);
       expect(new SDKError('x').code).toBe('LOUSHO_GENERIC_ERROR');
diff --git a/src/providers/resolveProvider.test.ts b/src/providers/resolveProvider.test.ts
index c51a49fa..2bff3459 100644
--- a/src/providers/resolveProvider.test.ts
+++ b/src/providers/resolveProvider.test.ts
@@ -190,7 +190,7 @@ describe('resolveProvider errors', () => {
         "'pi/xai/grok-4' (through @earendil-works/pi-ai), or createAgent({ provider: fromAiSdk(xai('grok-4')) })"
     );
     // The appended help line links the error code's docs section.
-    expect(error?.message).toMatch(/\[LOUSHO_PROVIDER_UNKNOWN\].*docs\/errors\.md#lousho_provider_unknown/);
+    expect(error?.message).toMatch(/\[LOUSHO_PROVIDER_UNKNOWN\].*lousho\.com\/errors#lousho_provider_unknown/);
   });
 
   it('turns a dashed vendor into a valid AI SDK factory name', () => {
diff --git a/src/utils/errorCodes.test.ts b/src/utils/errorCodes.test.ts
index 3085c378..ba0be991 100644
--- a/src/utils/errorCodes.test.ts
+++ b/src/utils/errorCodes.test.ts
@@ -44,6 +44,13 @@ describe('error codes', () => {
     expect([...headings].sort()).toEqual([...CODES].sort());
   });
 
+  it('links to the lousho.com page, whose anchors keep the underscores of the heading', () => {
+    expect(ERROR_DOCS_URL).toBe('https://lousho.com/errors');
+    expect(errorDocsUrl('LOUSHO_REGISTRY_UNREACHABLE')).toBe('https://lousho.com/errors#lousho_registry_unreachable');
+    // Mintlify slugifies `## LOUSHO_X` to `lousho_x`, which is the code in lowercase.
+    for (const code of CODES) expect(DOCS).toContain(`## ${code}`);
+  });
+
   it('docs links point at the code section anchors', () => {
     expect(errorDocsUrl('LOUSHO_PEER_MISSING')).toBe(`${ERROR_DOCS_URL}#lousho_peer_missing`);
     expect(errorHelp('LOUSHO_PEER_MISSING')).toEqual({
diff --git a/src/utils/errorCodes.ts b/src/utils/errorCodes.ts
index c5ccd456..c2acd508 100644
--- a/src/utils/errorCodes.ts
+++ b/src/utils/errorCodes.ts
@@ -6,8 +6,8 @@
  * keeps this table, the codes used in src/ and docs/errors.md in sync.
  */
 
-/** Where every code is documented; each code has the anchor `#<code in lowercase>`. */
-export const ERROR_DOCS_URL = 'https://github.com/LinuxDevil/agent-sdk/blob/main/docs/errors.md';
+/** Where every code is documented; the site serves docs/errors.md as /errors; each code has the anchor `#<code in lowercase>`. */
+export const ERROR_DOCS_URL = 'https://lousho.com/errors';
 
 /** Every stable error code, mapped to its one-sentence "how to fix" hint. */
 export const ERROR_CODES = {