feat(discussions): add discussion write tools (create/update + comment CRUD)

.github/workflows/docker-publish.yml

@@ -16,11 +16,11 @@ on:
     branches: ["main", "next"]
   workflow_dispatch:
     inputs:
-        description:
-          required: false
-          description: "Description of the run."
-          type: string
-          default: "Manual run"
+      description:
+        required: false
+        description: "Description of the run."
+        type: string
+        default: "Manual run"
 
 env:
   # Use docker.io for Docker Hub if empty
@@ -112,6 +112,7 @@ jobs:
           platforms: linux/amd64,linux/arm64
           build-args: |
             VERSION=${{ github.ref_name }}
+            COMMIT=${{ github.sha }}
 
       # Sign the resulting Docker image digest except on PRs.
       # This will only write to the public Rekor transparency log when the Docker
@@ -127,4 +128,3 @@ jobs:
         # This step uses the identity token to provision an ephemeral certificate
         # against the sigstore community Fulcio instance.
         run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
-

Dockerfile

@@ -1,19 +1,16 @@
 FROM golang:1.25.4-alpine AS build
 ARG VERSION="dev"
+ARG COMMIT="unknown"
 
 # Set the working directory
 WORKDIR /build
 
-# Install git
-RUN --mount=type=cache,target=/var/cache/apk \
-    apk add git
-
 # Build the server
 # go build automatically download required module dependencies to /go/pkg/mod
 RUN --mount=type=cache,target=/go/pkg/mod \
     --mount=type=cache,target=/root/.cache/go-build \
     --mount=type=bind,target=. \
-    CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION} -X main.commit=$(git rev-parse HEAD) -X main.date=$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+    CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION} -X main.commit=${COMMIT} -X main.date=$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
     -o /bin/github-mcp-server cmd/github-mcp-server/main.go
 
 # Make a stage to run the app

pkg/github/__toolsnaps__/add_discussion_comment.snap

@@ -0,0 +1,38 @@
+{
+  "annotations": {
+    "title": "Add discussion comment"
+  },
+  "description": "Add a comment to a discussion.",
+  "inputSchema": {
+    "type": "object",
+    "properties": {
+      "body": {
+        "type": "string",
+        "description": "Comment body (Markdown)"
+      },
+      "discussionNumber": {
+        "type": "number",
+        "description": "Discussion Number"
+      },
+      "owner": {
+        "type": "string",
+        "description": "Repository owner"
+      },
+      "reply_to_id": {
+        "type": "string",
+        "description": "Optional discussion comment node ID to reply to."
+      },
+      "repo": {
+        "type": "string",
+        "description": "Repository name"
+      }
+    },
+    "required": [
+      "owner",
+      "repo",
+      "discussionNumber",
+      "body"
+    ]
+  },
+  "name": "add_discussion_comment"
+}

pkg/github/__toolsnaps__/create_discussion.snap

@@ -0,0 +1,42 @@
+{
+  "annotations": {
+    "title": "Create discussion"
+  },
+  "description": "Create a new discussion in a repository.",
+  "inputSchema": {
+    "type": "object",
+    "properties": {
+      "body": {
+        "type": "string",
+        "description": "Discussion body (Markdown)"
+      },
+      "category_id": {
+        "type": "string",
+        "description": "Discussion category node ID. If provided, this is used directly."
+      },
+      "category_name": {
+        "type": "string",
+        "description": "Discussion category name. If provided, it will be resolved to a category ID."
+      },
+      "owner": {
+        "type": "string",
+        "description": "Repository owner"
+      },
+      "repo": {
+        "type": "string",
+        "description": "Repository name"
+      },
+      "title": {
+        "type": "string",
+        "description": "Discussion title"
+      }
+    },
+    "required": [
+      "owner",
+      "repo",
+      "title",
+      "body"
+    ]
+  },
+  "name": "create_discussion"
+}

pkg/github/__toolsnaps__/delete_discussion_comment.snap

@@ -0,0 +1,19 @@
+{
+  "annotations": {
+    "title": "Delete discussion comment"
+  },
+  "description": "Delete an existing discussion comment.",
+  "inputSchema": {
+    "type": "object",
+    "properties": {
+      "comment_id": {
+        "type": "string",
+        "description": "Discussion comment node ID"
+      }
+    },
+    "required": [
+      "comment_id"
+    ]
+  },
+  "name": "delete_discussion_comment"
+}

pkg/github/__toolsnaps__/update_discussion.snap

@@ -0,0 +1,45 @@
+{
+  "annotations": {
+    "title": "Update discussion"
+  },
+  "description": "Update a discussion (title/body/category) in a repository.",
+  "inputSchema": {
+    "type": "object",
+    "properties": {
+      "body": {
+        "type": "string",
+        "description": "New discussion body (optional)"
+      },
+      "category_id": {
+        "type": "string",
+        "description": "New discussion category node ID (optional). If provided, this is used directly."
+      },
+      "category_name": {
+        "type": "string",
+        "description": "New discussion category name (optional). If provided, it will be resolved to a category ID."
+      },
+      "discussionNumber": {
+        "type": "number",
+        "description": "Discussion Number"
+      },
+      "owner": {
+        "type": "string",
+        "description": "Repository owner"
+      },
+      "repo": {
+        "type": "string",
+        "description": "Repository name"
+      },
+      "title": {
+        "type": "string",
+        "description": "New discussion title (optional)"
+      }
+    },
+    "required": [
+      "owner",
+      "repo",
+      "discussionNumber"
+    ]
+  },
+  "name": "update_discussion"
+}

pkg/github/__toolsnaps__/update_discussion_comment.snap

@@ -0,0 +1,24 @@
+{
+  "annotations": {
+    "title": "Update discussion comment"
+  },
+  "description": "Update an existing discussion comment.",
+  "inputSchema": {
+    "type": "object",
+    "properties": {
+      "body": {
+        "type": "string",
+        "description": "New comment body (Markdown)"
+      },
+      "comment_id": {
+        "type": "string",
+        "description": "Discussion comment node ID"
+      }
+    },
+    "required": [
+      "comment_id",
+      "body"
+    ]
+  },
+  "name": "update_discussion_comment"
+}