feat: work item attachments + PR thread comments#11
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Adds three MCP tools to close functional gaps in the work item and pull request domains: - get_work_item_attachments: lists attachments (name, size, dates, URL) - get_work_item_attachment_content: downloads inline as UTF-8 or base64 with a 10 MB cap for session-friendly responses - add_pull_request_thread_comment: replies to existing PR threads, with optional parentCommentId for threaded replies Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Closes three functional gaps in the MCP server:
get_work_item_attachments— lists files attached to a work item:id(GUID),name,size(bytes),comment,createdDate,modifiedDate, and downloadurl. Reads work item relations filtered byRel == "AttachedFile".get_work_item_attachment_content— downloads an attachment by GUID and returns content inline so it can feed Claude Code sessions directly. UTF-8 for textual files, base64 for binaries (isBinary+encodingflags). Default 10 MB cap (maxBytes); larger files are rejected with guidance to use the URL out-of-band.add_pull_request_thread_comment— replies to existing PR comment threads (the read side already existed viaget_pull_request_threads). Accepts optionalparentCommentIdfor threaded replies.Mirrors existing service/tool patterns: validation in the tool, mapping in the service, JSON-serialized response.
Test plan
dotnet buildcleandotnet test— 281/281 passingget_work_item_attachmentsagainst work item 2413308 returned 2 attachments with correct sizesget_work_item_attachment_contentwith binary (xlsx 10029 B → base64) and text (json 548812 B → UTF-8) attachments — content matches direct PAT download byte-for-byteadd_pull_request_thread_commentagainst a throwaway PR thread (not yet exercised — recommend reviewer test before merge)🤖 Generated with Claude Code