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Exogram — Personal AI Agent & Workspace

by io.github.Richard-Ewing
OverviewDiscussionsAdmin

notion_append_block

Draft new content or notes to append into an existing Notion page. Gated by explicit user approval.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "page_id": "<page_id>",
      "content": "<content>"
    },
    "name": "notion_append_block"
  }
}

Input Schema

NameRequiredDescriptionDefault
contentYesMarkdown content or structured notes to append.
page_idYesTarget Notion page identifier or title.
block_typeNoType of block: "paragraph", "bulleted_list_item", or "callout".paragraph

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.5/5.0
Behavior3/5

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

No annotations are supplied, so the description carries the full burden, and it does disclose the important approval gate before writing. It leaves out the rest of a mutation's behavior: where in the page content lands, whether the write is immediate or staged as a draft, permission requirements, and error behavior.

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?

Two short sentences with zero waste, and the write action is front-loaded ahead of the approval constraint.

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

Completeness3/5

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

For a three-parameter mutation tool with no annotations and no output schema, the definition covers what it does and the approval gate but omits return behavior and write semantics. It is adequate to invoke correctly but thin for a write operation.

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?

Schema coverage is 100% and each of the three parameters is documented in the schema, so the baseline is 3. The description adds nothing about page_id format or allowed block_type values beyond what the schema already states.

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

Purpose4/5

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

States a specific verb and target resource: append new content or notes into an existing Notion page. An agent can tell this apart from notion_search_pages (which finds pages) without opening the schema. It stops short of naming siblings explicitly.

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?

Implies the precondition that the page already exists and that explicit user approval must be obtained, which is useful gating context. It gives no explicit when-not-to-use guidance and never says to locate the page via notion_search_pages first.

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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