Langfuse MCP Java vs MCP Server

query_calls

Retrieve recent LLM call records captured by Argosvix. Filterable by provider / model / time range / tag (tagKey + tagValue pair). Defaults to the last 24 hours, 100 records.

get_cost_summary

Return cost / call count / token aggregates per time range, with a per-provider breakdown. When groupBy="none" is specified, a per-provider breakdown is still returned for backend compatibility (check the response.total field for the overall sum).

list_alerts

Return the list of configured alerts plus trigger history within the last 24 hours.

list_proposals

Return the unresolved improvement proposals found by the Argosvix guardian (quality drift / reliability anomalies / cost switching / safety / silencing noisy alerts). Approving, dismissing, and executing happen in the dashboard inbox (agents can only read and converse).

get_proposal_thread

Return the thread for a proposal (the questions asked so far and the AI's replies). Get proposalId from list_proposals.

reply_proposal

Post a question about a proposal and get the AI's reply (same as the inbox conversation). Explanation only — nothing is executed. Get proposalId from list_proposals.

silence_alert

Temporarily mute an alert (stops notification delivery). Defaults to 24 hours; pass an ISO-8601 timestamp as until for a custom expiry. Pass the alertId obtained from list_alerts.

unsilence_alert

Unmute a currently silenced alert.

create_alert

Create a new alert rule. Watches for cost / error rate / latency / anomaly threshold breaches and notifies the specified channels. Example: "notify me by email when daily cost exceeds $10". channelKinds is an array of channel kinds to enable; channelTargets is an object keyed by those kinds holding the destinations (e.g. channelKinds:["email"], channelTargets:{"email":"dev@example.com"}). Every kind listed in channelKinds must have a destination in channelTargets. anomaly_* types interpret thresholdValue as a standard-deviation multiplier (0.5-10, e.g. 3 = 3 sigma). The Free plan allows the email channel only and up to 3 alerts (the backend returns 403 beyond that).

update_alert

Update an existing alert's settings (PATCH /v1/alerts/:id). alertType (the watched metric type) is immutable — to change it, create a new alert and then delete the old one (completing the alert lifecycle). Threshold / evaluation window / notification channels / name / enabled flag / composite conditions can be partially updated (all fields optional). Example phrasing: "lower the monthly budget alert threshold from $100 to $50" / "add Slack as a notification channel".

delete_alert

Delete an alert (DELETE /v1/alerts/:id). Related alert_events are CASCADE-deleted too. To guard against accidental deletion, checking the details with get_alert first is recommended. If you only want to pause an alert, prefer silence_alert (mute) or update_alert with enabled=false instead of delete (both are recoverable).

get_alert

Return the detailed configuration of an alert and its recent trigger history. Pass the alertId obtained from list_alerts. Use it to check the threshold / notification channels / silence state / when it fired.