{"repo":"NousResearch/hermes-agent","public_id":"109817","display_label":"MCP SDK 2.x read-only hint attribute casing bug","summary":"These items concern a bug where the MCP trust gate fails to detect read-only tool hints in SDK 2.x due to a camelCase vs. snake_case attribute naming mismatch. A fix to support the snake_case `read_only_hint` attribute is included.","subsystem":null,"counts":{"members":3,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":1},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":133532,"merged_at":"2026-10-05T22:28:18+00:00"},"resolution":{"state":"unresolved","by":null},"freshness":{"state":"verified","last_verified_at":"2026-10-05T22:28:18+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":108972,"pr_number":133532,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-10-05T22:28:18+00:00"},{"issue_number":109817,"pr_number":133532,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-10-05T22:28:18+00:00"},{"issue_number":120483,"pr_number":133532,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-10-05T22:28:18+00:00"},{"issue_number":121042,"pr_number":133532,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-10-05T22:28:18+00:00"},{"issue_number":123485,"pr_number":133532,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-10-05T22:28:18+00:00"},{"issue_number":132042,"pr_number":133532,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-10-05T22:28:18+00:00"}],"members":[{"kind":"issue","number":109817,"title":"MCP trust gate never sees readOnlyHint on mcp SDK 2.x: `_annotation_read_only_hint` reads the camelCase attribute","url":null,"state":"closed"},{"kind":"pr","number":111618,"title":"fix(tools): support snake_case read_only_hint in MCP SDK 2.x","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"4b6884aaa7","number":0},{"kind":"pr","value":"#133532","number":133532},{"kind":"pr","value":"#111270","number":111270},{"kind":"pr","value":"#88372","number":88372}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":133532,"title":"MCP read-only tools on untrusted servers stop asking for approval under mcp 2.x (salvage #111270)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["contributors/emails/[redacted:email]","tests/e2e/core/mcp_plugins/test_mcp_stdio_conformance.py","tests/tools/test_mcp_trust_gating.py","tools/mcp_tool_registration.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}