SEP-XXXX: Multi Round-Trip Requests (#12)

This is a draft SEP for Multi Round-Trip Requests (MRTR).

## Motivation and Context
See SEP for details.

## How Has This Been Tested?
Not tested yet, that will happen when we implement.

## Breaking Changes
See SEP for details.

## Types of changes
- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [x] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [x] I have added or updated documentation as needed

## Additional context
N/A

---------

Co-authored-by: Caitie McCaffrey <caitiem20@github.com>
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Mark D. Roth 2026-03-02 10:36:17 -08:00 • committed by GitHub
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