René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add discussion comment write operations to discussions toolset","articleBody":"### Describe the feature or problem you'd like to solve\n\nThe `discussions` toolset currently only supports read operations. There's no way for AI agents to participate in GitHub Discussions — posting comments, marking answers, or managing their own replies.\n\nI ran into this while trying to contribute to a spec discussion ([modelcontextprotocol#1772](https://github.com/modelcontextprotocol/modelcontextprotocol/discussions/1772)). My agent could read the thread but couldn't post. The `add_issue_comment` tool returned 404 because Discussions use GraphQL, not the REST Issues API.\n\n### Proposed solution\n\nAdd comment-level write operations to the `discussions` toolset:\n\n| Tool | GraphQL Mutation |\n|------|------------------|\n| `add_discussion_comment` | `addDiscussionComment` |\n| `update_discussion_comment` | `updateDiscussionComment` |\n| `delete_discussion_comment` | `deleteDiscussionComment` |\n| `mark_discussion_comment_as_answer` | `markDiscussionCommentAsAnswer` |\n\nThis mirrors the existing pattern for issues (`add_issue_comment`, `update_issue_comment`).\n\n### Example prompts or workflows\n\n1. \"Read the latest comments on discussion #42 and post a summary of the key points\"\n2. \"Find unanswered questions in the Q\u0026A category and draft helpful responses\"\n3. \"Add a comment to discussion #1772 with my implementation feedback\"\n4. \"Mark the most upvoted comment as the answer on discussion #15\"\n5. \"Fix the typo in my last comment on discussion #30\"\n\n### Additional context\n\nThe GraphQL client (`githubv4`) is already used in `pkg/github/discussions.go` for read operations. Happy to submit a PR if this feature is accepted.","author":{"url":"https://github.com/gfortaine","@type":"Person","name":"gfortaine"},"datePublished":"2026-01-27T11:17:10.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/1908/github-mcp-server/issues/1908"}