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hmrdkn-labs

Observability Agent MCP

by hmrdkn-labs
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TypeScript
Hybrid

observability.render_dashboard

Read-onlyIdempotent

Render an allowlisted dashboard as a bounded PNG image to provide visual evidence for AI agents.

Instructions

Render one allowlisted agent-safe dashboard as bounded PNG evidence.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
toYes
fromYes
themeNodark
widthNo
heightNo
dashboardIdYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataYes
warningsYes
freshnessYes
truncatedYes
observedAtYes
providerClassYes
schemaVersionYes
redactionsAppliedYes

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Changed6 schema fields changedv0.2.1
    • removedOutput schema / properties / data / additionalProperties
      Removed value: -false
    • addedOutput schema / properties / data / oneOf
      Added value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "available": {
+        "const": true,
+        "type": "boolean"
+      },
+      "dashboardId": {
+        "maxLength": 64,
+        "minLength": 1,
+        "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
+        "type": "string"
+      },
+      "effectiveRange": {
+        "additionalProperties": false,
+        "properties": {
+          "from": {
+            "format": "date-time",
+            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
+            "type": "string"
+          },
+          "to": {
+            "format": "date-time",
+            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
+            "type": "string"
+          }
+        },
+        "required": [
+          "from",
+          "to"
+        ],
+        "type": "object"
+      },
+      "height": {
+        "maximum": 4000,
+        "minimum": 1,
+        "type": "integer"
+      },
+      "panelId": {
+        "maxLength": 64,
+        "minLength": 1,
+        "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
+        "type": "string"
+      },
+      "rawByteSize": {
+        "maximum": 8388608,
+        "minimum": 1,
+        "type": "integer"
+      },
+      "renderDurationMs": {
+        "maximum": 30000,
+        "minimum": 0,
+        "type": "integer"
+      },
+      "requestedRange": {
+        "additionalProperties": false,
+        "properties": {
+          "from": {
+            "format": "date-time",
+            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
+            "type": "string"
+          },
+          "to": {
+            "format": "date-time",
+            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
+            "type": "string"
+          }
+        },
+        "required": [
+          "from",
+          "to"
+        ],
+        "type": "object"
+      },
+      "sha256": {
+        "pattern": "^[a-f0-9]{64}$",
+        "type": "string"
+      },
+      "width": {
+        "maximum": 2400,
+        "minimum": 1,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "dashboardId",
+      "requestedRange",
+      "width",
+      "height",
+      "available",
+      "effectiveRange",
+      "rawByteSize",
+      "sha256",
+      "renderDurationMs"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "available": {
+        "const": false,
+        "type": "boolean"
+      },
+      "dashboardId": {
+        "maxLength": 64,
+        "minLength": 1,
+        "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
+        "type": "string"
+      },
+      "height": {
+        "maximum": 4000,
+        "minimum": 1,
+        "type": "integer"
+      },
+      "panelId": {
+        "maxLength": 64,
+        "minLength": 1,
+        "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
+        "type": "string"
+      },
+      "requestedRange": {
+        "additionalProperties": false,
+        "properties": {
+          "from": {
+            "format": "date-time",
+            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
+            "type": "string"
+          },
+          "to": {
+            "format": "date-time",
+            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
+            "type": "string"
+          }
+        },
+        "required": [
+          "from",
+          "to"
+        ],
+        "type": "object"
+      },
+      "width": {
+        "maximum": 2400,
+        "minimum": 1,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "dashboardId",
+      "requestedRange",
+      "width",
+      "height",
+      "available"
+    ],
+    "type": "object"
+  }
+]
    • removedOutput schema / properties / data / properties
      Removed value: -{
-  "dashboardId": {
-    "maxLength": 64,
-    "minLength": 1,
-    "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
-    "type": "string"
-  },
-  "effectiveRange": {
-    "additionalProperties": false,
-    "properties": {
-      "from": {
-        "format": "date-time",
-        "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
-        "type": "string"
-      },
-      "to": {
-        "format": "date-time",
-        "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
-        "type": "string"
-      }
-    },
-    "required": [
-      "from",
-      "to"
-    ],
-    "type": "object"
-  },
-  "height": {
-    "maximum": 4000,
-    "minimum": 1,
-    "type": "integer"
-  },
-  "panelId": {
-    "maxLength": 64,
-    "minLength": 1,
-    "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
-    "type": "string"
-  },
-  "rawByteSize": {
-    "maximum": 8388608,
-    "minimum": 1,
-    "type": "integer"
-  },
-  "renderDurationMs": {
-    "maximum": 30000,
-    "minimum": 0,
-    "type": "integer"
-  },
-  "requestedRange": {
-    "additionalProperties": false,
-    "properties": {
-      "from": {
-        "format": "date-time",
-        "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
-        "type": "string"
-      },
-      "to": {
-        "format": "date-time",
-        "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
-        "type": "string"
-      }
-    },
-    "required": [
-      "from",
-      "to"
-    ],
-    "type": "object"
-  },
-  "sha256": {
-    "pattern": "^[a-f0-9]{64}$",
-    "type": "string"
-  },
-  "width": {
-    "maximum": 2400,
-    "minimum": 1,
-    "type": "integer"
-  }
-}
    • removedOutput schema / properties / data / required
      Removed value: -[
-  "dashboardId",
-  "requestedRange",
-  "effectiveRange",
-  "width",
-  "height",
-  "rawByteSize",
-  "sha256",
-  "renderDurationMs"
-]
    • removedOutput schema / properties / data / type
      Removed value: -"object"
    • changedOutput schema / properties / providerClass / enum
      Previous value: -[
-  "fake",
-  "grafana",
-  "prometheus-compatible",
-  "composite"
-]New value: +[
+  "fake",
+  "grafana",
+  "prometheus-compatible",
+  "grafana-alertmanager",
+  "composite"
+]
  2. First observedv0.1.0

TDQS

B3.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint and idempotentHint true. The description adds context about output being 'bounded PNG evidence' and safety ('agent-safe'), which is valuable beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single concise sentence that front-loads the purpose. However, it could be structured with additional detail without sacrificing conciseness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With 6 parameters (3 required) and no parameter descriptions, the tool description is too sparse. It fails to explain key concepts like 'allowlisted' dashboards, how to obtain dashboard IDs, or output details, despite having an output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, and the tool description does not explain any parameters. The agent must infer meaning solely from parameter names, types, and constraints, which is insufficient for correct invocation.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Render', the resource 'dashboard', and includes constraints like 'allowlisted', 'agent-safe', and 'bounded PNG evidence'. This distinguishes it from sibling tools like render_panel.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage is limited to allowlisted dashboards but does not explicitly state when to use this tool over alternatives like render_panel. No when-not or alternative guidance is provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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