Chris Christiansen
5d156642b2
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309 lines
14 KiB
Python
309 lines
14 KiB
Python
"""opax-mcp — MCP Streamable HTTP server for OPAX/Vauco
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Transport: MCP Streamable HTTP (JSON-RPC 2.0) on POST /
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Auth: Authorization: Bearer <secret> OR X-MCP-Secret: <secret> OR api-key: <secret>
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"""
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import os
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import json
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import uuid
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import httpx
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import base64
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import google.auth
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import google.auth.transport.requests
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from fastapi import FastAPI, Request, HTTPException
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from fastapi.responses import JSONResponse
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from typing import Any, Optional
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import logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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app = FastAPI(title="opax-mcp", version="3.0.2")
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OPAX_BASE_URL = os.environ.get("OPAX_BASE_URL", "https://opax.vauco.no")
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OPAX_IAP_CLIENT_ID = os.environ.get("OPAX_IAP_CLIENT_ID", "")
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MCP_SECRET = os.environ.get("MCP_SECRET", "")
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GITEA_URL = os.environ.get("GITEA_URL", "http://34.59.131.162:3000")
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GITEA_TOKEN = os.environ.get("GITEA_TOKEN", "")
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GITEA_REPO = os.environ.get("GITEA_REPO", "chris/OSVauco")
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GOOGLE_CLOUD_PROJECT = os.environ.get("GOOGLE_CLOUD_PROJECT", "propane-will-491900-m5")
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logger.info(f"OPAX_IAP_CLIENT_ID: {OPAX_IAP_CLIENT_ID[:10]}...")
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# ---------------------------------------------------------------------------
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# Auth
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# ---------------------------------------------------------------------------
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def _verify_auth(request: Request):
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if not MCP_SECRET:
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return
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# Authorization: Bearer <token>
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auth = request.headers.get("Authorization", "")
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if auth.startswith("Bearer ") and auth[7:] == MCP_SECRET:
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return
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# X-MCP-Secret or api-key
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if request.headers.get("X-MCP-Secret") == MCP_SECRET:
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return
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if request.headers.get("api-key") == MCP_SECRET:
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return
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raise HTTPException(status_code=401, detail="Unauthorized")
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# ---------------------------------------------------------------------------
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# OPAX helpers
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# ---------------------------------------------------------------------------
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def _opax_identity_token() -> str:
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"""Hent identity token for opax.vauco.no (Cloud Run IAP/IAM)."""
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try:
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metadata_url = (
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"http://metadata.google.internal/computeMetadata/v1/instance"
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f"/service-accounts/default/identity?audience={OPAX_IAP_CLIENT_ID}&format=full"
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)
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resp = httpx.get(metadata_url, headers={"Metadata-Flavor": "Google"}, timeout=5)
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resp.raise_for_status()
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token = resp.text.strip()
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if not token:
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raise ValueError("Empty token returned from metadata server")
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return token
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except Exception as e:
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logger.error(f"[IAP TOKEN ERROR] {type(e).__name__}: {e}")
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raise
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def _opax_headers() -> dict:
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return {"Authorization": f"Bearer {_opax_identity_token()}", "Content-Type": "application/json"}
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async def _opax_get(path: str) -> Any:
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async with httpx.AsyncClient(timeout=30) as c:
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r = await c.get(f"{OPAX_BASE_URL}{path}", headers=_opax_headers())
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r.raise_for_status()
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return r.json()
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async def _opax_post(path: str, body: dict) -> Any:
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async with httpx.AsyncClient(timeout=30) as c:
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r = await c.post(f"{OPAX_BASE_URL}{path}", json=body, headers=_opax_headers())
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r.raise_for_status()
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return r.json()
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# ---------------------------------------------------------------------------
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# Gitea helpers
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# ---------------------------------------------------------------------------
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def _gitea_headers() -> dict:
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return {"Authorization": f"token {GITEA_TOKEN}", "Content-Type": "application/json", "Accept": "application/json"}
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async def _gitea_get(path: str) -> Any:
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async with httpx.AsyncClient(timeout=30) as c:
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r = await c.get(f"{GITEA_URL}/api/v1{path}", headers=_gitea_headers())
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r.raise_for_status()
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return r.json()
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async def _gitea_post(path: str, body: dict) -> Any:
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async with httpx.AsyncClient(timeout=30) as c:
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r = await c.post(f"{GITEA_URL}/api/v1{path}", json=body, headers=_gitea_headers())
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r.raise_for_status()
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return r.json()
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async def _gitea_put(path: str, body: dict) -> Any:
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async with httpx.AsyncClient(timeout=30) as c:
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r = await c.put(f"{GITEA_URL}/api/v1{path}", json=body, headers=_gitea_headers())
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r.raise_for_status()
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return r.json()
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# ---------------------------------------------------------------------------
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# Tool implementations
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# ---------------------------------------------------------------------------
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async def get_billing_summary(p): return await _opax_get("/billing/summary")
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async def get_billing_forecast(p): return await _opax_get("/billing/forecast")
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async def get_billing_credits(p): return await _opax_get("/billing/credits")
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async def get_billing_anomalies(p): return await _opax_get("/billing/anomalies")
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async def get_billing_history(p): return await _opax_get("/billing/history")
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async def get_billing_budget(p): return await _opax_get("/billing/budget")
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async def get_billing_tokens_by_module(p): return await _opax_get("/telemetry/history")
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async def set_billing_budget(p):
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return await _opax_post("/billing/budget", {"budget": p.get("amount", 500)})
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async def create_invite(p):
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return await _opax_post("/onboard/invite", {
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"company": p.get("company", p.get("name", "")),
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"email": p.get("email"),
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"tier": p.get("tier", "starter"),
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})
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async def list_customers(p): return await _opax_get("/state")
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async def send_webhook(p):
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return await _opax_post("/notify/webhook", {
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"url": p.get("url", ""), "event": p.get("event", "custom"),
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"title": p.get("title", "OPAX varsel"), "body": p.get("message", p.get("body", "")),
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})
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async def send_email(p):
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return await _opax_post("/notify/email", {"to": p.get("to"), "subject": p.get("subject"), "event": p.get("event", "digest")})
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async def send_sms(p):
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return await _opax_post("/notify/sms", {"to": p.get("to"), "body": p.get("message", p.get("body", "")), "event": p.get("event", "spike"), "tier": p.get("tier", "guard")})
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async def get_notify_channels(p): return await _opax_get("/notify/channels")
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async def run_jason(p):
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return await _opax_post("/run", {"message": p.get("prompt", p.get("message", "")), "user_id": p.get("user_id", "opax"), "session_id": p.get("session_id", "mcp"), "mode": p.get("mode", "light")})
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async def run_emma(p):
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return await _opax_post("/emma", {"message": p.get("prompt", p.get("message", "")), "session_id": p.get("session_id", "mcp")})
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async def get_health(p): return await _opax_get("/health")
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async def get_build_status(p): return await _opax_get("/opax/build-status")
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async def get_state(p): return await _opax_get("/state")
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async def get_telemetry(p): return await _opax_get("/telemetry/history")
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async def run_terminal(p):
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return await _opax_post("/terminal/exec", {"cmd": p.get("command", p.get("cmd", "help"))})
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async def list_commits(p):
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return await _gitea_get(f"/repos/{p.get('repo', GITEA_REPO)}/commits?limit={p.get('limit', 10)}")
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async def get_file(p):
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return await _gitea_get(f"/repos/{p.get('repo', GITEA_REPO)}/contents/{p.get('path', '')}?ref={p.get('ref', 'main')}")
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async def list_open_issues(p):
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return await _gitea_get(f"/repos/{p.get('repo', GITEA_REPO)}/issues?state=open&limit=20")
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async def create_issue(p):
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return await _gitea_post(f"/repos/{p.get('repo', GITEA_REPO)}/issues", {"title": p.get("title"), "body": p.get("body", "")})
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async def push_file(p):
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repo = p.get("repo", GITEA_REPO)
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path = p.get("path")
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content = base64.b64encode(p.get("content", "").encode()).decode()
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body = {"message": p.get("message", f"chore: oppdater {path} via opax-mcp"), "content": content, "branch": p.get("branch", "main")}
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if p.get("sha"):
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body["sha"] = p["sha"]
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return await _gitea_put(f"/repos/{repo}/contents/{path}", body)
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return await _gitea_post(f"/repos/{repo}/contents/{path}", body)
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# ---------------------------------------------------------------------------
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# Tool registry + MCP schema
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# ---------------------------------------------------------------------------
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TOOLS = {
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"get_billing_summary": (get_billing_summary, "Hent billing-sammendrag for OPAX", {}),
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"get_billing_forecast": (get_billing_forecast, "Hent billing-prognose", {}),
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"get_billing_credits": (get_billing_credits, "Hent gjenværende kreditter", {}),
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"get_billing_anomalies": (get_billing_anomalies, "Hent billing-anomalier", {}),
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"get_billing_history": (get_billing_history, "Hent billing-historikk", {}),
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"get_billing_budget": (get_billing_budget, "Hent nåværende budsjett", {}),
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"get_billing_tokens_by_module":(get_billing_tokens_by_module,"Hent token-forbruk per modul", {}),
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"set_billing_budget": (set_billing_budget, "Sett månedlig budsjett", {"type":"object","properties":{"amount":{"type":"number","description":"Budsjett i NOK"}},"required":[]}),
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"create_invite": (create_invite, "Inviter ny kunde til OPAX", {"type":"object","properties":{"company":{"type":"string"},"email":{"type":"string"},"tier":{"type":"string"}},"required":["email"]}),
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"list_customers": (list_customers, "List alle kunder", {}),
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"send_webhook": (send_webhook, "Send webhook-varsling", {"type":"object","properties":{"url":{"type":"string"},"title":{"type":"string"},"message":{"type":"string"}},"required":["url"]}),
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"send_email": (send_email, "Send e-post", {"type":"object","properties":{"to":{"type":"string"},"subject":{"type":"string"}},"required":["to","subject"]}),
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"send_sms": (send_sms, "Send SMS", {"type":"object","properties":{"to":{"type":"string"},"message":{"type":"string"}},"required":["to","message"]}),
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"get_notify_channels": (get_notify_channels, "Hent varslingkanaler", {}),
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"run_jason": (run_jason, "Kjør Jason-agenten med en prompt", {"type":"object","properties":{"prompt":{"type":"string"},"mode":{"type":"string"}},"required":["prompt"]}),
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"run_emma": (run_emma, "Kjør Emma-agenten med en prompt", {"type":"object","properties":{"prompt":{"type":"string"}},"required":["prompt"]}),
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"get_health": (get_health, "Hent helsestatus for OPAX", {}),
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"get_build_status": (get_build_status, "Hent siste build-status", {}),
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"get_state": (get_state, "Hent platform-tilstand", {}),
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"get_telemetry": (get_telemetry, "Hent telemetri-historikk", {}),
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"run_terminal": (run_terminal, "Kjør terminalkommando på VM", {"type":"object","properties":{"command":{"type":"string"}},"required":["command"]}),
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"list_commits": (list_commits, "List siste commits i Gitea-repo", {}),
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"get_file": (get_file, "Hent fil fra Gitea-repo", {"type":"object","properties":{"path":{"type":"string"}},"required":["path"]}),
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"list_open_issues": (list_open_issues, "List åpne issues i Gitea-repo", {}),
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"create_issue": (create_issue, "Opprett nytt issue i Gitea-repo", {"type":"object","properties":{"title":{"type":"string"},"body":{"type":"string"}},"required":["title"]}),
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"push_file": (push_file, "Opprett eller oppdater fil i Gitea-repo", {"type":"object","properties":{"path":{"type":"string"},"content":{"type":"string"},"message":{"type":"string"}},"required":["path","content"]}),
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}
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def _tool_list_result():
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return [
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{
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"name": name,
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"description": desc,
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"inputSchema": schema if schema else {"type": "object", "properties": {}},
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}
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for name, (_, desc, schema) in TOOLS.items()
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]
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def _jsonrpc_ok(req_id, result):
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return {"jsonrpc": "2.0", "id": req_id, "result": result}
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def _jsonrpc_err(req_id, code, message):
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return {"jsonrpc": "2.0", "id": req_id, "error": {"code": code, "message": message}}
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# ---------------------------------------------------------------------------
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# MCP Streamable HTTP endpoint — POST /
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# ---------------------------------------------------------------------------
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@app.post("/")
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async def mcp_handler(request: Request):
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_verify_auth(request)
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try:
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body = await request.json()
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except Exception:
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return JSONResponse(_jsonrpc_err(None, -32700, "Parse error"), status_code=400)
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method = body.get("method", "")
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req_id = body.get("id")
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params = body.get("params", {})
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# initialize
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if method == "initialize":
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return JSONResponse(_jsonrpc_ok(req_id, {
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"protocolVersion": "2024-11-05",
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"capabilities": {"tools": {}},
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"serverInfo": {"name": "opax-mcp", "version": "3.0.0"},
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}))
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# tools/list
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if method == "tools/list":
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return JSONResponse(_jsonrpc_ok(req_id, {"tools": _tool_list_result()}))
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# tools/call
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if method == "tools/call":
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tool_name = params.get("name") or params.get("tool")
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tool_args = params.get("arguments", params.get("params", {}))
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entry = TOOLS.get(tool_name)
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if not entry:
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return JSONResponse(_jsonrpc_err(req_id, -32601, f"Unknown tool: {tool_name}"))
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handler, _, _ = entry
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try:
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result = await handler(tool_args)
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except Exception as e:
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logger.error(f"[MCP HANDLER ERROR] {type(e).__name__}: {e}")
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return JSONResponse(_jsonrpc_err(req_id, -32000, str(e)))
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return JSONResponse(_jsonrpc_ok(req_id, {
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"content": [{"type": "text", "text": json.dumps(result, ensure_ascii=False)}]
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}))
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# notifications (fire-and-forget, no response needed)
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if method.startswith("notifications/"):
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return JSONResponse(status_code=202, content={})
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return JSONResponse(_jsonrpc_err(req_id, -32601, f"Method not found: {method}"), status_code=404)
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# ---------------------------------------------------------------------------
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# Health (keepalive)
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# ---------------------------------------------------------------------------
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@app.get("/health")
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async def health():
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return {"status": "ok", "service": "opax-mcp", "version": "3.0.0"}
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