diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 40b684b..e092b8e 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -10,7 +10,7 @@
       "name": "codebase-index",
       "description": "Semantic code search and codebase graph tools for Claude Code",
       "source": "./",
-      "version": "0.25.1"
+      "version": "0.26.0"
     }
   ]
 }
diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index acc1b06..2169d9e 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "codebase-index",
-  "version": "0.25.1",
+  "version": "0.26.0",
   "description": "Semantic code search and codebase graph tools for Claude Code",
   "displayName": "Codebase Index",
   "author": {
diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index cd5c238..5e07405 100644
--- a/.codex-plugin/plugin.json
+++ b/.codex-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "codebase-index",
-  "version": "0.25.1",
+  "version": "0.26.0",
   "description": "Semantic code search and codebase graph tools for Codex",
   "author": {
     "name": "Kenneth",
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92588fa..1bf6c63 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.26.0] - 2026-08-29
+
 ### Added
 
 - **Source-backed architecture context**: Added the portable `architecture_context` tool across OpenCode, MCP, and Pi. It produces deterministic, token-bounded repository maps with source-derived responsibility excerpts, cited community and boundary evidence, strict query and directory focus, graph-sparse source-directory fallback, uncertainty notes, precise follow-up tool calls, and optional Git-backed recent activity. Architecture planning evaluation now measures graded evidence relevance and actual response token cost.
diff --git a/package-lock.json b/package-lock.json
index 6eae62c..e6db201 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "opencode-codebase-index",
-  "version": "0.25.1",
+  "version": "0.26.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "opencode-codebase-index",
-      "version": "0.25.1",
+      "version": "0.26.0",
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.29.0",
diff --git a/package.json b/package.json
index c26e39f..53963b0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "opencode-codebase-index",
-  "version": "0.25.1",
+  "version": "0.26.0",
   "description": "Host-neutral semantic codebase search with embeddings, symbol discovery, and call-graph tooling",
   "type": "module",
   "main": "dist/index.js",