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Convert code-mode to the CodeMode plugin (#4002)

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Jeremiah Lowin 2026-04-22 09:46:29 -04:00 • committed by GitHub
commit 19fa2fc33e
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12 changed files with 1019 additions and 645 deletions
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14
examples/code_mode/server.py
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@ -1,4 +1,4 @@
"""Example: CodeMode transform — search and execute tools via code.
"""Example: CodeMode plugin — search and execute tools via code.
CodeMode replaces the entire tool catalog with two meta-tools: `search`
(keyword-based tool discovery) and `execute` (run Python code that chains
@ -13,9 +13,9 @@ Run with:
"""
from fastmcp import FastMCP
from fastmcp.experimental.transforms.code_mode import CodeMode
from fastmcp.server.plugins.code_mode import CodeMode
mcp = FastMCP("CodeMode Demo")
mcp = FastMCP("CodeMode Demo", plugins=[CodeMode()])
@mcp.tool
@ -74,10 +74,10 @@ def read_file(path: str) -> str:
return f.read()
# CodeMode collapses all 8 tools into just `search` + `execute`.
# The LLM discovers tools via keyword search, then writes Python
# scripts that chain multiple tool calls in a single round-trip.
mcp.add_transform(CodeMode())
# CodeMode (registered at construction above) collapses all 8 tools
# into just `search` + `execute`. The LLM discovers tools via keyword
# search, then writes Python scripts that chain multiple tool calls in
# a single round-trip.
if __name__ == "__main__":