feat: Claude Code plugin and MCP Registry listing

.claude-plugin/marketplace.json

@@ -0,0 +1,15 @@
+{
+  "name": "codeburn",
+  "owner": {
+    "name": "CodeBurn",
+    "url": "https://codeburn.app"
+  },
+  "description": "The CodeBurn plugin for Claude Code",
+  "plugins": [
+    {
+      "name": "codeburn",
+      "source": "./plugins/codeburn",
+      "description": "See what your AI coding tools cost, from inside Claude Code"
+    }
+  ]
+}

README.md

@@ -148,6 +148,14 @@ Setup for all three platforms, including WSL, is in [Menu bar and tray](docs/men
 
 ## Inside your agent
 
+In Claude Code, install the plugin. It sets up the MCP server below and adds `/codeburn:cost`, which summarizes today's spend:
+
+```
+/plugin install codeburn --marketplace getagentseal/codeburn
+```
+
+Or register only the MCP server:
+
 ```bash
 claude mcp add codeburn -- npx -y codeburn mcp
 ```

RELEASING.md

@@ -43,11 +43,12 @@ Every surface's updater reads its own channel, and the menubar and `codeburn upd
 
 1. `npm publish`.
 2. Wait until the tarball downloads: run `npm pack codeburn@<version>` in a temp directory until it writes `codeburn-<version>.tgz`.
-3. Homebrew: `brew bump-formula-pr` (see "Homebrew Core") and bump the tap (CLI step 5b).
-4. GitHub `v<version>` release.
-5. Push `mac-v<version>` (writes `menubar-latest.json`).
-6. Push `windows-v<version>` (writes `windows-latest.json`).
-7. Publish the `desktop-v<version>` release (writes `latest*.yml`).
+3. MCP Registry: set both `version` fields in `server.json` to the new version, then run `mcp-publisher publish` (log in once with `mcp-publisher login github` as an owner of the getagentseal org).
+4. Homebrew: `brew bump-formula-pr` (see "Homebrew Core") and bump the tap (CLI step 5b).
+5. GitHub `v<version>` release.
+6. Push `mac-v<version>` (writes `menubar-latest.json`).
+7. Push `windows-v<version>` (writes `windows-latest.json`).
+8. Publish the `desktop-v<version>` release (writes `latest*.yml`).
 
 Push tags one at a time and wait for each workflow to start. GitHub drops the push events when more than three tags arrive in one push, so `git push --tags` can leave a release with no workflow run.
 

package.json

@@ -2,6 +2,7 @@
   "name": "codeburn",
   "version": "0.9.27",
   "description": "See where your AI spend goes - by task, tool, model, and project",
+  "mcpName": "io.github.getagentseal/codeburn",
   "type": "module",
   "main": "./dist/cli.js",
   "bin": {

plugins/codeburn/.claude-plugin/plugin.json

@@ -0,0 +1,13 @@
+{
+  "name": "codeburn",
+  "version": "1.0.0",
+  "description": "See what your AI coding tools cost: a /codeburn:cost summary and CodeBurn's usage tools inside Claude Code",
+  "author": {
+    "name": "CodeBurn",
+    "url": "https://codeburn.app"
+  },
+  "homepage": "https://codeburn.app",
+  "repository": "https://github.com/getagentseal/codeburn",
+  "license": "MIT",
+  "keywords": ["cost", "tokens", "usage", "claude-code", "codex", "cursor"]
+}

plugins/codeburn/.mcp.json

@@ -0,0 +1,9 @@
+{
+  "mcpServers": {
+    "codeburn": {
+      "type": "stdio",
+      "command": "npx",
+      "args": ["-y", "codeburn", "mcp"]
+    }
+  }
+}

plugins/codeburn/skills/cost/SKILL.md

@@ -0,0 +1,11 @@
+---
+name: cost
+description: Show what AI coding tools cost today, from CodeBurn. Use when the user asks about today's AI spend or token use, or which model or project cost the most.
+allowed-tools: Bash(npx -y codeburn today)
+---
+
+Today's AI coding usage, from CodeBurn. It reads the session logs that Claude Code, Codex, Cursor and other tools keep on this machine:
+
+!`npx -y codeburn today`
+
+Summarize this in at most five short bullets: the total cost, the models and projects that cost the most, anything unusual, and one concrete way to spend less. Use only the numbers above.

server.json

@@ -0,0 +1,29 @@
+{
+  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
+  "name": "io.github.getagentseal/codeburn",
+  "title": "CodeBurn",
+  "description": "AI coding spend, tokens and plan quotas across Claude Code, Codex, Cursor and 40+ more tools",
+  "websiteUrl": "https://codeburn.app",
+  "repository": {
+    "url": "https://github.com/getagentseal/codeburn",
+    "source": "github"
+  },
+  "version": "0.9.27",
+  "packages": [
+    {
+      "registryType": "npm",
+      "identifier": "codeburn",
+      "version": "0.9.27",
+      "runtimeHint": "npx",
+      "transport": {
+        "type": "stdio"
+      },
+      "packageArguments": [
+        {
+          "type": "positional",
+          "value": "mcp"
+        }
+      ]
+    }
+  ]
+}