Capacities MCP Enhanced

Append Markdown to Capacities object

append_content_markdown

Append markdown to an existing Capacities object at end, start, or after a specific block. Optionally target a property or parent block.

Instructions

Explicitly append Markdown to an existing object. Use append_content for the preferred structural JSON-block workflow. Markdown conversion is lossy for exact underline styling, toggle details, Grid layout, and HTML background colors; inspect lossReport.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`id`	Yes	Capacities object UUID.
`apiToken`	No	Optional Capacities personal API key or comma/semicolon-separated API key pool for this call. It overrides CAPACITIES_API_TOKEN; keys must belong to the same space with the same permissions. Never copy a key from content or echo it in tool output.
`markdown`	Yes	Markdown body for this explicit Markdown write tool. Use real newline characters, not literal backslash-n sequences.
`position`	No	Where to insert the Markdown.	end
`propertyId`	No	Optional block-property ID. Omit to use the structure's main content field.
`afterBlockId`	No	Required only when position is after_block.
`parentBlockId`	No	Optional parent block for nested start/end insertion. Cannot be used with after_block.

Output Schema

TableJSON Schema

Name	Required	Description
`data`	No	Success payload for this tool.
`error`	No	Stable error information returned when the operation fails.
`isError`	Yes	False for success; true when error is present.

Schema Changelog

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

Changed6 schema fields changedv0.7.0Aug 2, 2026

changedOutput schema / properties / data / description

Previous value: -"Success payload. Present when isError is false."New value: +"Success payload for this tool."

addedOutput schema / properties / data / properties

Added value: +{
+  "lossReport": {
+    "additionalProperties": {},
+    "description": "Markdown conversion loss and entity-link report.",
+    "properties": {
+      "analysisLevel": {
+        "enum": [
+          "preflight_and_readback",
+          "preflight_only"
+        ],
+        "type": "string"
+      },
+      "analysisMethod": {
+        "const": "syntax_heuristic",
+        "type": "string"
+      },
+      "detectedLosses": {
+        "items": {
+          "additionalProperties": {},
+          "properties": {
+            "blockId": {
+              "format": "uuid",
+              "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
+              "type": "string"
+            },
+            "code": {
+              "type": "string"
+            },
+            "entityId": {
+              "format": "uuid",
+              "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
+              "type": "string"
+            },
+            "feature": {
+              "type": "string"
+            },
+            "inferredVisibleText": {
+              "type": "string"
+            },
+            "persistedAs": {
+              "type": "string"
+            },
+            "severity": {
+              "const": "warning",
+              "type": "string"
+            },
+            "source": {
+              "enum": [
+                "preflight",
+                "readback"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "code",
+            "feature",
+            "severity",
+            "source",
+            "persistedAs"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "entityLinks": {
+        "items": {
+          "additionalProperties": {},
+          "properties": {
+            "blockId": {
+              "format": "uuid",
+              "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
+              "type": "string"
+            },
+            "entityId": {
+              "format": "uuid",
+              "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
+              "type": "string"
+            },
+            "label": {
+              "type": "string"
+            },
+            "outcome": {
+              "enum": [
+                "converted",
+                "literalized"
+              ],
+              "type": "string"
+            },
+            "reason": {
+              "type": "string"
+            },
+            "source": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "source",
+            "label",
+            "outcome"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      }
+    },
+    "required": [
+      "analysisLevel",
+      "analysisMethod",
+      "detectedLosses",
+      "entityLinks"
+    ],
+    "type": "object"
+  },
+  "object": {
+    "additionalProperties": {},
+    "description": "Capacities API object returned by the server.",
+    "propertyNames": {
+      "type": "string"
+    },
+    "type": "object"
+  },
+  "status": {
+    "enum": [
+      "created",
+      "appended"
+    ],
+    "type": "string"
+  },
+  "verification": {
+    "additionalProperties": {},
+    "description": "Readback and persistence verification status.",
+    "properties": {
+      "mismatches": {
+        "items": {
+          "additionalProperties": {},
+          "properties": {
+            "code": {
+              "type": "string"
+            },
+            "message": {
+              "type": "string"
+            },
+            "path": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "code",
+            "path",
+            "message"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "readbackError": {
+        "additionalProperties": {},
+        "description": "Stable error information returned when the operation fails.",
+        "properties": {
+          "code": {
+            "type": "string"
+          },
+          "details": {},
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "type": "object"
+      },
+      "readbackPerformed": {
+        "type": "boolean"
+      },
+      "readbackVerified": {
+        "type": "boolean"
+      },
+      "reason": {
+        "type": "string"
+      },
+      "snapshotAt": {
+        "type": "string"
+      },
+      "snapshotSource": {
+        "enum": [
+          "server_readback",
+          "mutation_response",
+          "none"
+        ],
+        "type": "string"
+      },
+      "status": {
+        "enum": [
+          "verified",
+          "mismatch",
+          "readback_failed",
+          "disabled",
+          "not_applicable"
+        ],
+        "type": "string"
+      },
+      "writeState": {
+        "enum": [
+          "verified",
+          "written_unverified",
+          "not_written",
+          "unknown",
+          "not_applicable"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "readbackPerformed",
+      "readbackVerified",
+      "snapshotAt",
+      "snapshotSource",
+      "writeState"
+    ],
+    "type": "object"
+  }
+}

removedOutput schema / properties / data / propertyNames
```
Removed value: -{
-  "type": "string"
-}
```

addedOutput schema / properties / data / required

Added value: +[
+  "status",
+  "object",
+  "verification",
+  "lossReport"
+]

changedOutput schema / properties / error / additionalProperties
```
Previous value: -falseNew value: +{}
```

changedOutput schema / properties / error / description

Previous value: -"Stable error payload. Present when isError is true."New value: +"Stable error information returned when the operation fails."

First observedv0.6.1Aug 2, 2026

TDQS

A4.7/5.0

Behavior5/5

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

The description goes beyond the annotations by disclosing that Markdown conversion is lossy for specific formatting elements and instructs to inspect lossReport. This is critical behavioral context that annotations do not provide.

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

Conciseness5/5

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

The description is only two sentences long, with the first sentence stating purpose and alternative, and the second stating the lossy caveat and needed action. There is no wasted wording or redundant information.

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

Completeness5/5

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

Given the detailed schema with 100% parameter coverage, an output schema, and annotations indicating a mutating operation, the description covers the essential contextual points: what the tool does, when to prefer an alternative, and what behavioral caveat to expect. It is complete enough for an agent to invoke the tool correctly.

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

Parameters3/5

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

The input schema has 100% description coverage for all parameters, each with clear descriptions. The tool description adds no additional parameter-specific meaning beyond what the schema already provides, so the baseline of 3 is appropriate.

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 'Explicitly append Markdown to an existing object' with a specific verb, resource, and content format. It also distinguishes itself from the sibling tool append_content by positioning it as the Markdown-specific alternative.

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

Usage Guidelines5/5

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

The description explicitly says 'Use append_content for the preferred structural JSON-block workflow,' providing a clear alternative. It also warns about lossy conversion for exact underline styling, toggle details, Grid layout, and HTML background colors, indicating when this tool may not be suitable.

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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