Highlights
- Schema-v5 disk-authoritative workflow state with revision/hash-bound submissions, approvals, test-case checkpoints, deterministic validation, crash journals, and durable TDD task progress.
- The four phase Skills are now the public Formal SDD workflow. MCP remains behind the Skill boundary and owns canonical writes, governance, context, and continuation.
- Mandatory project-scoped MCP runtime registration for Claude Code, Codex, and OMP, with manifest-v2 ownership and preserve-first recovery.
- Owner-fenced cross-process locks, CAS mutation and recovery, approved-artifact drift blocking, symlink containment, bounded machine fields, and strict runtime-config ownership validation.
Installation
npx sdd-mcp-server@5.0.0 install --target claude-code
npx sdd-mcp-server@5.0.0 install --target codex
npx sdd-mcp-server@5.0.0 install --target ompExisting 3.x or 4.x installations should follow the reversible upgrade procedure in the installation guide.
Compatibility
This is a clean schema-v5 cutover. Workflow state and the 16 MCP tool payloads use the v5 disk-authoritative contract without compatibility aliases.