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Copy file name to clipboardExpand all lines: CHANGELOG.json
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[
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{
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"date": "2026-05-14",
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"version": "4.202605.2",
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"Added": [
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"MCP server tiered tool architecture: tier-1 essential tools are always available, category-specific tools activate on demand via hana_discover_by_category",
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"New hana_execute router tool for generic command dispatch without per-command tool registration",
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"JSON test reporter (npm run test:json) for structured result querying with jq"
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],
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"Fixed": [
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"MCP server: preserve empty cell values in ASCII table parser",
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"MCP server: deduplicate tier-1 tools on category activation",
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"querySimple now exits 0 for DML/DDL statements",
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"Security: update uuid to 11.1.1 in docs to resolve vulnerability alert"
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],
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"Changed": [
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"MCP server: extract shared utilities into reusable modules and add mocked querySimple tests",
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"MCP server: add dynamic registration callback to discovery-tools for on-demand tool loading",
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"Dependency updates to latest patch/minor versions"
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The format is based on [Keep a Changelog](http://keepachangelog.com/).
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## [4.202605.2] - 2026-05-14
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**Added**
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- MCP server tiered tool architecture: tier-1 essential tools are always available, category-specific tools activate on demand via hana_discover_by_category
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- New hana_execute router tool for generic command dispatch without per-command tool registration
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- JSON test reporter (npm run test:json) for structured result querying with jq
Copy file name to clipboardExpand all lines: docs/99-reference/changelog.md
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The format is based on [Keep a Changelog](http://keepachangelog.com/).
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## [4.202605.2] - 2026-05-14
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**Added**
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- MCP server tiered tool architecture: tier-1 essential tools are always available, category-specific tools activate on demand via hana_discover_by_category
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- New hana_execute router tool for generic command dispatch without per-command tool registration
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- JSON test reporter (npm run test:json) for structured result querying with jq
- MCP server: deduplicate tier-1 tools on category activation
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- querySimple now exits 0 for DML/DDL statements
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- Security: update uuid to 11.1.1 in docs to resolve vulnerability alert
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**Changed**
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- MCP server: extract shared utilities into reusable modules and add mocked querySimple tests
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- MCP server: add dynamic registration callback to discovery-tools for on-demand tool loading
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- Dependency updates to latest patch/minor versions
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## [4.202605.1] - 2026-05-01
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**Changed**
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- Release version 4.202605.1
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## [4.202605.0] - 2026-05-01
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**Fixed**
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- MCP server connection context: wired up dead connFile code so HANA_CLI_CONN_FILE env var is now honored when resolving connection files
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- MCP server default working directory: executor now prefers the launch directory over the hana-cli install directory when project markers (package.json, default-env.json, .env, .cdsrc-private.json) are detected
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**Changed**
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- Minimum Node.js version raised from 20.19.0 to 22.0.0 (preparing for CDS 10)
- New mcpServerInstall command (hana-cli mcp) for one-command MCP server configuration in Claude Desktop, Claude Code, Cursor, Windsurf, Cline, VS Code, Continue, and Zed
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- New mcpServerStatus command (hana-cli mcp-status) to check MCP server installation status across all 8 supported AI assistant clients
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- MCP resources for knowledge base content and documentation index metadata
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**Changed**
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- Major MCP server refactor: modular architecture replacing monolithic 1,700-line index.ts
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- Reduced MCP tool count by removing alias registrations and consolidating search tools
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- Updated MCP SDK from 1.27.1 to 1.29.0
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- Fixed MCP server version to read dynamically from package.json
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- Fixed fragile command name matching in output formatter
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- Added isError signaling to all MCP error response paths
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