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postNote

Publish a text note to Nostr by creating, signing, and broadcasting it in a single call. Supports custom tags and relay selection. Use private key or remote signer for authentication.

Instructions

Create, sign, and publish a text note (all-in-one)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
contentYesText content of the note
tagsNoEvent tags
privateKeyNoPrivate key (nsec or hex). Optional when NOSTR_BUNKER_URI is configured.
relaysNoRelays to publish to
Behavior2/5

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

With no annotations, the description must cover behavioral traits. It only says 'all-in-one' without detailing side effects, permissions, or failure modes. The signing and publishing steps are implied but not explained.

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?

Single sentence, front-loaded with the key action. Concise but could benefit from a bit more detail 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?

No output schema and multiple steps (create, sign, publish). The description lacks context on the workflow, error handling, or return format. Incomplete for the complexity.

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 baseline is 3. The description adds no additional meaning beyond the schema; it does not elaborate on any parameter usage or constraints.

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 tool does 'Create, sign, and publish a text note (all-in-one)', specifying the verb and resource. It distinguishes from siblings like createNote (only create) or publishNote (only publish).

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?

No guidance on when to use this tool vs alternatives (e.g., createNostrEvent, publishNote). No exclusions or prerequisites mentioned.

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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