[agent-harness] P1.2 Workspace MCP registry stub + link to capability map

[ManintheCrowds]

Phase 1 - P1.2

Depends on: #1

Outcome: Short note (Arc_Forge docs/ or .cursor/) listing enabled MCP servers and linking to MiscRepos MCP_CAPABILITY_MAP (or sibling path).

Seed: Improvement program - P1.2

Acceptance criteria

• Issue [agent-harness] P1.1 Unified tool manifest (HTTP + MCP tools) #1 (P1.1) completed; this doc links to unified manifest and external map.
• Path is valid for sibling-repo layout (GitHub/MiscRepos or documented alternative).

[ManintheCrowds]

Repo naming: Canonical policy and checklist — docs/engineering/OPENGRIMOIRE_NAMING_AND_URLS.md (GitHub ManintheCrowds/OpenGrimoire, local folder OpenGrimoire).