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Merged
jakemac53 merged 4 commits into from
Jun 27, 2025
Merged

auto validate tool arguments, improve validation messages #200

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5378a69
auto validate tool arguments, improve validation messages
jakemac53 Jun 26, 2025
1f134d5
make it a breaking change since the Dart MCP server overrides registe…
jakemac53 Jun 26, 2025
28a47f9
remove custom validation in dart mcp server, update tests
jakemac53 Jun 27, 2025
4d0ea4e
Merge branch 'main' into validate-tools
jakemac53 Jun 27, 2025
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12 changes: 11 additions & 1 deletion pkgs/dart_mcp/CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,8 +1,18 @@
## 0.2.3-wip
## 0.3.0-wip

- Added error checking to required fields of all `Request` subclasses so that
they will throw helpful errors when accessed and not set.
- Added enum support to Schema.
- Add more detail to type validation errors.
- Remove some duplicate validation errors, errors are only reported for the
leaf nodes and not all the way up the tree.
- Deprecated a few validation error types as a part of this, including
`propertyNamesInvalid`, `propertyValueInvalid`, `itemInvalid` and
`prefixItemInvalid`.
- Added a `custom` validation error type.
- Auto-validate schemas for all tools by default. This can be disabled by
passing `validateArguments: false` to `registerTool`.
- This is breaking since this method is overridden by the Dart MCP server.
- Updates to the latest MCP spec, [2025-06-08](https://modelcontextprotocol.io/specification/2025-06-18/changelog)
- Adds support for Elicitations to allow the server to ask the user questions.
- Adds `ResourceLink` as a tool return content type.
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