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"""Print every tool the MCP servers advertise, with its argument schema.

This is what an MCP client sees after the handshake: exactly the names, descriptions and JSON

schemas the model will be prompted with. Reading it is the fastest way to review the tool

descriptions as prompt text. `--github` also starts the GitHub server and shows the merged list

the model gets during `coder fix-issue` (the write tool is filtered out by the client).

Run: uv run python scripts/list_tools.py [repo_path] [--github]

"""

from __future__ import annotations

import asyncio

import json

import sys

from pathlib import Path

from coder_agent.tools.client import load_tools

async def main(repo: Path, github: bool) -> None:

tools = await load_tools(repo, github=github)

servers = "coder-tools + github" if github else "coder-tools"

print(f"{len(tools)} tools from {servers} for {repo.resolve()}\n")

for tool in tools:

print(f"== {tool.name}")

print(tool.description.strip())

schema = tool.args_schema

if isinstance(schema, dict):

props = schema.get("properties", {})

required = set(schema.get("required", []))

else: # pydantic model

js = schema.model_json_schema()

props, required = js.get("properties", {}), set(js.get("required", []))

for name, spec in props.items():

mark = "*" if name in required else " "

print(f" {mark} {name}: {json.dumps(spec.get('type', spec.get('anyOf', '?')))}")

print()

if __name__ == "__main__":

args = [a for a in sys.argv[1:] if a != "--github"]

asyncio.run(main(Path(args[0] if args else "."), github="--github" in sys.argv))