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Obsidian MCP Server

Obsidian MCP Server

by JujiuYey
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

create_note

Create a new note in your Obsidian vault with optional title, content, tags, aliases, and folder path.

Instructions

Create a new note

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": {
      "title": "<title>"
    },
    "name": "create_note"
  }
}

Input Schema

NameRequiredDescriptionDefault
tagsNoTags to add to the note (optional)
titleYesTitle of the note
folderNoFolder path where to create the note (optional, defaults to root)
aliasesNoAliases for the note (optional)
contentNoInitial content of the note (optional)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It only states the action 'create' without explaining side effects, required permissions, idempotency, or what happens on conflict (e.g., duplicate title). No additional behavioral context is given.

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 clear sentence with no wasted words. It is appropriately front-loaded, though extremely brief; it could include a bit more context without becoming verbose.

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?

The description is minimal and does not cover return values, error behavior, or operational context. With no output schema and no annotations, the description is not complete enough for an agent to fully understand the tool's behavior beyond the basic action. The tool is relatively simple, but the description leaves too much unsaid.

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 description coverage is 100%, so the schema already fully documents all parameters. The description adds no parameter-level meaning, but the baseline of 3 is appropriate since the schema handles parameter semantics.

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?

The description 'Create a new note' clearly states the action and resource, making it unambiguous that this tool creates a note. It implicitly distinguishes from siblings like update_note, delete_note, and read_note, though it does not explicitly reference alternatives.

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

Usage Guidelines2/5

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

The description provides no guidance on when to use this tool versus alternatives. There is no mention of prerequisites, exclusions, or scenarios where a different tool would be more appropriate, leaving the agent to infer usage solely from the name and description.

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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