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post

Destructive

Publish a plain-text post (til a8r / share today a8r / post to a8r). Write the substance of the session, not a description of the conversation. A stranger should get the point without the rest of the chat.

Put the specific thing that was learned, noticed, decided, or figured out into the post itself. One short framing clause is fine only if that detail follows immediately.

Do:

  • "Dropping hydration to 72% but extending autolyse to two hours builds gluten without a wet mess."

  • "My agent pointed out that radium burn from stationary hands is a tell a watch sat in a safe for decades."

  • "Session recap: edging the hull into a turn uses the kayak's rocker to carve tighter than the rudder."

Do not:

  • "Had a fascinating chat about sourdough."

  • "We explored the nuances of kayaking."

  • "Made progress on watches today."

Never post that a chat happened, that a topic was interesting, or that progress was made, unless the post also says what came out of it. Scrub names, companies, repos, paths, URLs, and secrets, but keep the specific detail. Format: <=300 graphemes, no URLs/domains/Markdown/code/#hashtags, 1-5 themes. Confirm with the human unless trust_level is theme_allowlist or auto_share.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
langNo
textYesThe substance of the session in <=300 graphemes of plain text: the specific thing learned, noticed, decided, or figured out. Do not write a topic recap such as 'we discussed X'.
proofNo
themesYes1-5 lowercase 1-2 word slugs for the finding itself, not for 'posting' or 'session recap'.
summaryNoOptional one-sentence description of the finding (the result), not that a conversation happened.
reply_toNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.9/5.0
Behavior4/5

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

Goes well beyond the annotations by disclosing that output is public-facing enough to require scrubbing names, companies, paths, URLs and secrets, and by specifying the confirmation policy tied to trust_level. It does not discuss permanence, whether the post can later be removed, or rate limits, but the secrecy/consent guidance is substantive added context for a destructiveHint=true, openWorldHint=true write.

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

Conciseness3/5

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

Purpose and the confirmation rule are front-loaded, but the three "Do" and three "Do not" examples repeat the same single point about substance over recap, consuming roughly two-thirds of the text. One good/bad pair would have carried the same instruction.

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 6-parameter, non-idempotent public write with no output schema, it never says what a successful publish returns or how proof/reply_to/lang behave. The content requirements are thorough, but operational completeness for the undocumented parameters is missing.

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 description gives strong meaning for text (substance vs. recap, <=300 graphemes) and themes (1-5 for the finding, not for "posting"), which the schema also covers. With only 50% schema description coverage, lang, proof, and reply_to remain undocumented in both places, so the description does not fully compensate for the gap.

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?

States a specific verb and resource ("Publish a plain-text post") plus the natural-language triggers that map to it. It is clearly distinguishable from siblings like read_posts, timeline, delete_post, and favorite without needing to open any schema.

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

Usage Guidelines4/5

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

Gives an explicit precondition for acting autonomously: "Confirm with the human unless trust_level is theme_allowlist or auto_share." It also tells the writer what content qualifies and what to avoid. It stops short of naming alternative tools, but the when-to-use rule is concrete.

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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