Release v1.3.0 MCP spec compliance audit: schema lockdown (additionalProperties: false), opt-in tools/call rate limiting, pagination constraints in tools/list, and rich error hints across all 162 tool sub-packages.
Release v1.3.0 MCP spec compliance audit: schema lockdown (additionalProperties: false), opt-in tools/call rate limiting, pagination constraints in tools/list, and rich error hints across all 162 tool sub-packages.