wren-v0.13.0

Canner/WrenAIwren-v0.13.0Jul 13, 2026by github-actions[bot]

AI Summary

This release introduces Model Context Protocol (MCP) support to serve project capabilities and addresses critical connection URL parsing issues across multiple database connectors.

Key Highlights

Introduced Model Context Protocol (MCP) integration for serving project capabilities.
Fixed connection URL parsing and credential decoding for ClickHouse, MSSQL, and Oracle databases.
Improved database identifier handling and URL decoding for Trino and Snowflake connectors.
Patched security advisories for idna, cryptography, and pytest dependencies.

New Features

Serve project capabilities over MCP

Full Release Notes

## [0.13.0](https://github.com/Canner/WrenAI/compare/wren-v0.12.0...wren-v0.13.0) (2026-07-13)


### Features

* **wren:** serve project capabilities over MCP ([#2438](https://github.com/Canner/WrenAI/issues/2438)) ([a38bfd7](https://github.com/Canner/WrenAI/commit/a38bfd7fb1deb7df675816cea97ebaec75890dd9))


### Bug Fixes

* **clickhouse:** sanitize brackets in connection-URL userinfo before parse ([#2454](https://github.com/Canner/WrenAI/issues/2454)) ([ef0a824](https://github.com/Canner/WrenAI/commit/ef0a824d3d39bc689d0aaec71949d4faf1228fcc))
* **clickhouse:** use unquote (not unquote_plus) for URL credentials; decode database ([#2436](https://github.com/Canner/WrenAI/issues/2436)) ([d9ba1a1](https://github.com/Canner/WrenAI/commit/d9ba1a13087b2438217623f3d6832189877cd401))
* **deps:** patch idna, cryptography, and pytest security advisories ([#2458](https://github.com/Canner/WrenAI/issues/2458)) ([8c72492](https://github.com/Canner/WrenAI/commit/8c724925aae679281e30a872469ecf20d85a854c))
* **mssql:** sanitize brackets in connection-URL userinfo before parse ([#2447](https://github.com/Canner/WrenAI/issues/2447)) ([5d94aaa](https://github.com/Canner/WrenAI/commit/5d94aaa4fbdfd64e626fbba14c9de55310563202))
* **oracle:** sanitize brackets in connection-URL userinfo before parse ([#2448](https://github.com/Canner/WrenAI/issues/2448)) ([89b1ec7](https://github.com/Canner/WrenAI/commit/89b1ec7f039451bffe4e384d9a4e9e5ff1a8c6d9))
* **oracle:** URL-decode credentials from connection_url ([#2434](https://github.com/Canner/WrenAI/issues/2434)) ([7db2651](https://github.com/Canner/WrenAI/commit/7db2651726efaeda4a38e05cae3a4c4b8a7b06ff))
* **sdk:** URL-decode ClickHouse connection-URL credentials and database ([#2444](https://github.com/Canner/WrenAI/issues/2444)) ([f178cfe](https://github.com/Canner/WrenAI/commit/f178cfefded33e3de60407f81940258ddb1ea1f0))
* **snowflake:** push LIMIT into SQL and strip trailing semicolon on wrap ([#2456](https://github.com/Canner/WrenAI/issues/2456)) ([4348f7a](https://github.com/Canner/WrenAI/commit/4348f7a0a91762e4e9386f845478ad9b29e45890))
* **trino:** URL-decode credentials and identifiers from connection URL ([#2435](https://github.com/Canner/WrenAI/issues/2435)) ([51ed348](https://github.com/Canner/WrenAI/commit/51ed34885e1946cd3f20d38e60c36c3add3e614a))
* **type-mapping:** fall back on sqlglot TokenError, not just ParseError ([#2433](https://github.com/Canner/WrenAI/issues/2433)) ([b7cecc7](https://github.com/Canner/WrenAI/commit/b7cecc77643b7c30a084802c9057a99c0aae26e8))