71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
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#!/usr/bin/env python3
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"""UserPromptSubmit hook: inject relevant memories via `homelab memory recall`.
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Replaces the claude-memory MCP recall path. Instead of instructing the model to
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call the memory_recall MCP tool, this hook runs the homelab CLI (a direct client
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to the same claude-memory HTTP API) and injects the ACTUAL results as context —
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so recall is automatic, needs no model tool-call, and works with the MCP
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uninstalled. Best-effort: any failure exits 0 silently (recall just doesn't
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happen that turn, exactly like the MCP being unavailable).
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Wizard-only trial of the MCP deprecation (2026-06-20). Reversible: restore the
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plugin command in ~/.claude/settings.json (backup: settings.json.bak-pre-homelab-memory).
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"""
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import json
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import os
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import shutil
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import subprocess
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import sys
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def main() -> None:
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try:
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hook_input = json.load(sys.stdin)
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except (json.JSONDecodeError, EOFError):
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return
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prompt = ""
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if isinstance(hook_input, dict):
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prompt = hook_input.get("prompt") or hook_input.get("user_prompt") or ""
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if not prompt and isinstance(hook_input.get("content"), str):
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prompt = hook_input["content"]
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prompt = (prompt or "").strip()
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# Same gates as the original recall hook: skip short prompts, code/JSON/XML blobs.
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if len(prompt) < 10 or prompt[0] in "`{<":
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return
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homelab = shutil.which("homelab") or "/usr/local/bin/homelab"
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if not os.path.exists(homelab):
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return
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if not (os.environ.get("CLAUDE_MEMORY_API_KEY") or os.environ.get("MEMORY_API_KEY")):
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return
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try:
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res = subprocess.run(
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[homelab, "memory", "recall", prompt, "--limit", "5"],
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capture_output=True, text=True, timeout=4, env=os.environ,
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)
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except (subprocess.TimeoutExpired, OSError):
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return
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out = (res.stdout or "").strip()
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if res.returncode != 0 or not out:
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return
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context = (
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"Relevant stored memories (via `homelab memory recall`) — incorporate "
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"naturally if useful; do NOT mention this lookup to the user:\n\n" + out
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)
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print(json.dumps({
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"hookSpecificOutput": {
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"hookEventName": "UserPromptSubmit",
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"additionalContext": context,
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}
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}))
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if __name__ == "__main__":
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main()
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