Meridian — Agent Monitor

Total Calls (24h)

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Total Cost (24h)

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Error Rate

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Avg Latency

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48-Hour Trend

Agent Scorecards

Agent	Score	Efficiency	Calls	Errors	Error %	Avg Latency	P95	Cost	Trend

Send Telemetry

Two ways to send agent data to Meridian:

OpenTelemetry (OTLP)

POST /api/telemetry/v1/traces
Content-Type: application/json

{ "resourceSpans": [{
  "resource": {
    "attributes": [{ "key": "service.name", "value": "my-agent" }]
  },
  "scopeSpans": [{
    "spans": [{
      "traceId": "abc123",
      "name": "run_agent",
      "durationNanoSeconds": 45000000,
      "attributes": [
        {"key":"cost_usd","value":0.0025},
        {"key":"token_count","value":1250},
        {"key":"tool.name","value":"web_search"}
      ]
    }]
  }]
}]}

Simple Format

POST /api/telemetry/events
Content-Type: application/json

{ "events": [{
  "agent_name": "research-agent",
  "trace_id": "abc123",
  "event_type": "span",
  "duration_ms": 3800,
  "status": "success",
  "cost_usd": 0.0032,
  "token_count": 2100,
  "tool_name": "web_search",
  "tool_status": "success"
}]}

Agent Scorecard

Avg Latency (ms)

Cost (USD)

Calls

Cost Breakdown

7-day cost trend

Error Rate & Token Count

Error %

Tokens (k)

Recommendations

No recommendations for this agent.

Recent Alerts

No alerts for this agent.

Active Alerts

No active alerts. Your agents are healthy.

Registered Agents

No agents registered yet.

Cost Breakdown

Total Spend

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Avg Cost / Call

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Cost / 1K Tokens

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Agents Tracked

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Cost Over Time (per agent)

Spend by Agent

Per-Agent Cost Details

Agent	Total Spend	% of Total	Calls	Cost / Call	Cost / 1K Tokens	Tokens

Agent Leaderboard

Ranked Agents

Agent	Score	Total Runs	Errors	Error %	Avg Cost / Run	Total Spend

Run History

	Trace ID	Started	Duration	Agents	Outcome	Cost	Events	Timeline

Run Comparison

Agent Divergence

Agent	Cost A	Cost B	Cost Δ	Latency A	Latency B	Errors A	Errors B

Interactive Demo

Load synthetic multi-agent trace data, then follow the three-step guided tour to explore key dashboard features: agent overview, cost breakdown, and reliability scoring.