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rea/experiments/analysis-efficiency/mcp-profile-costs.py
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gensokyo-devandKaoru0822 c23e161629 perf(mcp): record catalog identities for all schema profiles (#5415)
Share compiled schema conversion while recording all four built-in catalog profiles. Preserve canonical hashes, output validation and custom-budget fallback. Refs #723.

Co-authored-by: Kaoru0822 <208281322+kaoru0822-kitauji@users.noreply.github.com>
2026-10-20 10:09:28 +00:00

75 lines
4.0 KiB
Python

"""Summarize recorded Codex discovery tasks; tiktoken==0.12.0 is a proxy only."""
import argparse
import hashlib
import json
from pathlib import Path
import tiktoken
def compact(value):
return json.dumps(value, ensure_ascii=False, separators=(",", ":"), allow_nan=False)
def inspect(path, encoding):
report = json.loads((path / "report.json").read_text())
catalog = json.loads((path / "catalog.json").read_text())
transcript = json.loads((path / "transcript.json").read_text())
log = path.with_suffix(".log")
scope = next(json.loads(line) for line in reversed(log.read_text().splitlines())
if line.startswith('{"resource_scope":'))
observed = scope.get("payload_resource_observation") or {}
completed = (report["status"] == "passed" and not report["cleanup_failures"]
and report["appserver_exit_code"] == 0 and scope["abort"] is None
and scope.get("payload_resource_observation_verified") is True
and observed.get("payload_cleanup_verified") is True
and observed.get("payload_exit_code") == 0)
tools = list(catalog["data"][0]["tools"].values())
messages = [event["message"] for event in transcript]
ids = {m["id"] for m in messages if m.get("method") == "mcpServer/tool/call"}
replies = [m["result"] for m in messages if m.get("id") in ids and "result" in m]
arguments = [m["params"] for m in messages if m.get("method") == "mcpServer/tool/call"]
count = lambda text: len(encoding.encode(text, disallowed_special=()))
input_catalog = count(compact([{k: t[k] for k in ["name", "description", "inputSchema"]} for t in tools]))
argument_tokens = sum(count(compact(a)) for a in arguments)
text_tokens = sum(count(c["text"]) for r in replies for c in r["content"] if c["type"] == "text")
return {
"recording": path.name, "completed_with_verified_cleanup": completed,
"input_profile": report["input_profile"], "output_profile": report["output_profile"],
"catalog": report["catalog"], "calls": report["calls"],
# Codex returns tools as a map; JSON member order varies by process.
"catalog_semantic_sha256": hashlib.sha256(json.dumps(
catalog, ensure_ascii=False, sort_keys=True, separators=(",", ":"),
allow_nan=False).encode()).hexdigest(),
"digests": [r["structuredContent"]["result"]["server_identity"]["catalog"]["digests"] for r in replies],
"token_proxy": {"input_facing_catalog": input_catalog, "arguments": argument_tokens,
"text_replies": text_tokens, "combined": input_catalog + argument_tokens + text_tokens,
"complete_discovered_catalog": count(compact(catalog))},
"wall_seconds": scope["elapsed_seconds"],
"cpu_seconds": observed["cpu_stat"]["usage_usec"] / 1e6,
"kernel_family_peak_bytes_including_file_cache": observed.get("memory_peak_bytes"),
"observed_resource_events": observed.get("resource_events"),
"final_whole_scope_events": scope.get("resource_events_final"),
"sha256": {p.name: hashlib.sha256(p.read_bytes()).hexdigest()
for p in [path / "report.json", path / "catalog.json", path / "transcript.json", log]},
}
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--output", type=Path, required=True)
parser.add_argument("cases", type=Path, nargs="+")
args = parser.parse_args()
encoding = tiktoken.get_encoding("cl100k_base")
records = [inspect(path, encoding) for path in args.cases]
result = {"tiktoken": tiktoken.__version__, "encoding": encoding.name,
"actual_model_usage": None,
"unmeasured": ["actual host model schema injection and rendering", "model input/output/cached tokens", "model reasoning and application investigation"],
"recordings": records}
args.output.write_text(json.dumps(result, indent=2) + "\n")
assert all(r["completed_with_verified_cleanup"] for r in records)
if __name__ == "__main__":
main()