spike-findings-rust-mcp-sdk

Implementation blueprint from spike experiments — SEP-2640 Skills support (incl. current-draft conformance gaps), the schema-server toolkit lift (config-driven MCP servers for SQL / GraphQL / OpenAPI backends), AND tri-surface skills positioning (skill vs workflow-prompt vs agent — where judgment runs). Requirements, proven patterns, multi-dialect SQL connector trait, two-axis Skills, the dual-surface invariant, and…