Publish to Official MCP Registry (#129)

Author: nathanjcochran

.github/workflows/release.yml

@@ -41,6 +41,12 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Install MCP Publisher
+        run: curl -L "https://github.com/modelcontextprotocol/registry/releases/latest/download/mcp-publisher_$(uname -s | tr '[:upper:]' '[:lower:]')_$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/').tar.gz" | tar xz mcp-publisher
+
+      - name: Authenticate to MCP Registry
+        run: ./mcp-publisher login github-oidc
+
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:

.gitignore

@@ -49,6 +49,7 @@ config.yaml
 
 # Build artifacts
 latest.txt
+server.json
 completions/
 
 # Claude

.goreleaser.yaml

@@ -189,7 +189,7 @@ changelog:
       - "^specs:"
       # TODO: Other files that should be ignored
 
-# PackageCloud publisher for Linux packages
+# Publishers for external registries
 publishers:
   # Upload all Linux packages (deb, rpm) to PackageCloud
   - name: packagecloud
@@ -206,6 +206,13 @@ publishers:
     env:
       - PACKAGECLOUD_TOKEN={{ .Env.PACKAGECLOUD_TOKEN }}
 
+  # Publish server.json to MCP Registry
+  - name: mcp-registry
+    disable: '{{ ne .Prerelease "" }}' # Skip this step for prereleases
+    ids:
+      - docker # Only publish docker images
+    cmd: sh -c 'sed "s/\$VERSION/{{ .Version }}/g" server-template.json > server.json && ./mcp-publisher publish'
+
 # Release configuration
 release:
   github:

server-template.json

@@ -0,0 +1,67 @@
+{
+  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
+  "name": "io.github.timescale/tiger-cli",
+  "title": "Tiger MCP",
+  "description": "Provides programmatic access to Tiger Cloud services, databases, and documentation.",
+  "version": "$VERSION",
+  "homepage": "https://github.com/timescale/tiger-cli",
+  "repository": {
+    "url": "https://github.com/timescale/tiger-cli",
+    "source": "github"
+  },
+  "packages": [
+    {
+      "registryType": "oci",
+      "identifier": "ghcr.io/timescale/tiger-cli:$VERSION",
+      "transport": {
+        "type": "stdio"
+      },
+      "runtimeArguments": [
+        {
+          "type": "named",
+          "description": "Mount the config directory into the volume",
+          "name": "--mount",
+          "value": "type=bind,src={source_path},dst=/home/tiger/.config/tiger",
+          "variables": {
+            "source_path": {
+              "description": "Source path on host",
+              "format": "filepath",
+              "isRequired": true,
+              "default": "${HOME}/.config/tiger"
+            }
+          }
+        },
+        {
+          "type": "named",
+          "description": "Mount the .pgpass file into the volume",
+          "name": "--mount",
+          "value": "type=bind,src={source_path},dst=/home/tiger/.pgpass",
+          "variables": {
+            "source_path": {
+              "description": "Source path on host",
+              "format": "filepath",
+              "isRequired": true,
+              "default": "${HOME}/.pgpass"
+            }
+          }
+        }
+      ],
+      "environmentVariables": [
+        {
+          "name": "TIGER_PUBLIC_KEY",
+          "description": "Tiger Cloud API public key for authentication",
+          "format": "string",
+          "isRequired": true,
+          "isSecret": false
+        },
+        {
+          "name": "TIGER_SECRET_KEY",
+          "description": "Tiger Cloud API secret key for authentication",
+          "format": "string",
+          "isRequired": true,
+          "isSecret": true
+        }
+      ]
+    }
+  ]
+}