Upgrade keycardai-mcp-fastmcp to FastMCP 3.0#89
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Larry-Osakwe merged 2 commits intomainfrom Apr 1, 2026
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Upgrade keycardai-mcp-fastmcp from fastmcp>=2.14.0,<3.0.0 to fastmcp>=3.0.0. Key changes: - ctx.get_state()/ctx.set_state() are now async (FastMCP 3.0 breaking change) - grant decorator uses await ctx.set_state(..., serializable=False) - All examples, docs, and tests updated for async state access - Test mocks updated to use async functions for get_state/set_state
📦 Release PreviewThis analysis shows the expected release impact: 📈 Expected Version Changes📋 Package Details[
{
"package_name": "keycardai-mcp-fastmcp",
"package_dir": "packages/mcp-fastmcp",
"has_changes": true,
"current_version": "0.19.0",
"next_version": "0.20.0",
"increment": "MINOR"
}
]📝 Changelog PreviewThis comment was automatically generated by the release preview workflow. |
The example pyproject.toml files still pinned fastmcp<3.0.0, preventing them from resolving against the updated SDK.
📦 Release PreviewThis analysis shows the expected release impact: 📈 Expected Version Changes📋 Package Details[
{
"package_name": "keycardai-mcp-fastmcp",
"package_dir": "packages/mcp-fastmcp",
"has_changes": true,
"current_version": "0.19.0",
"next_version": "0.20.0",
"increment": "MINOR"
}
]📝 Changelog PreviewThis comment was automatically generated by the release preview workflow. |
kamil-keycard
approved these changes
Apr 1, 2026
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Summary
fastmcpdependency from>=2.14.0,<3.0.0to>=3.0.0ctx.get_state()/ctx.set_state()to async (FastMCP 3.0 breaking change)serializable=FalseforAccessContextstorage since it's a non-serializable Python class used within a single requestBreaking changes for users
ctx.get_state("keycardai")→await ctx.get_state("keycardai")in tool functions@grantmust beasync defTest plan
mcp-fastmcptests passmcptests passset_state(serializable=False)works for class instances@mcp.tool()+@grant) works in 3.0Linear: AGE-101, AGE-102, AGE-103, AGE-104
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