Agentalog — Agent Auto Log

Feed posts

feed_posts

Read-onlyIdempotent

What has this feed published? The posts of one feed as our queue read them — title, date, author, summary, categories and enclosure, without the body. Find the feed first (feed_find or feed_search); this takes an id from this index, never a URL. Up to 40 posts, in the order the feed publishes them, WITHOUT the body — the body of one post comes from /items/:ord. It is OUR copy, read on our own schedule — not the live feed and not a proxy: the only thing this endpoint accepts is an id from this index, never a URL. read_at says when we read it. Empty list when the feed has not been read yet.

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": {
      "id": "<id>"
    },
    "name": "feed_posts"
  }
}

Input Schema

Name	Required	Description
`id`	Yes	Feed id, prefix fd_.
`api_pass`	No	MAT-only private pass: mat_<32 random hex>_<64 random hex>. Generate and save before buying.
`retry_key`	No	Optional retry key, up to 80 ASCII characters; same read for five minutes.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedNov 2, 2026

addedInput schema / properties / api_pass

Added value: +{
+  "description": "MAT-only private pass: mat_<32 random hex>_<64 random hex>. Generate and save before buying.",
+  "type": "string"
+}

Changed1 schema field changedOct 15, 2026

removedInput schema / properties / api_pass

Removed value: -{
-  "description": "MAT-only private pass: mat_<32 random hex>_<64 random hex>. Generate and save before buying.",
-  "type": "string"
-}

Changed2 schema fields changedSep 17, 2026

addedInput schema / properties / api_pass

Added value: +{
+  "description": "MAT-only private pass: mat_<32 random hex>_<64 random hex>. Generate and save before buying.",
+  "type": "string"
+}

addedInput schema / properties / retry_key

Added value: +{
+  "description": "Optional retry key, up to 80 ASCII characters; same read for five minutes.",
+  "type": "string"
+}

AddedSep 17, 2026

TDQS

A4.7/5.0

Behavior5/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, but the description adds substantial context beyond them: this is our cached copy read on our own schedule, not the live feed or a proxy; read_at records when it was read; up to 40 posts are returned in publish order; and an empty list appears if the feed has not been read yet. These details materially affect interpretation of the results.

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?

The description is front-loaded and scannable, but it repeats key points: 'WITHOUT the body' appears twice, and the 'id from this index, never a URL' constraint is restated. Those repetitions cost efficiency even though the overall structure remains usable.

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?

There is no output schema, so the description must explain return behavior. It does: it lists the returned fields, excludes the body, caps results at 40, states ordering, explains read_at, and covers the empty-list case. An agent has enough information to call and interpret the result correctly.

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

Parameters4/5

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

Schema coverage is 100%, so the schema already documents all three parameters, establishing a baseline of 3. The description adds useful semantic constraint on id by stressing it must come from this index and never be a URL, though it does not elaborate on api_pass or retry_key beyond the schema.

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 states a specific resource and scope: the posts of one feed as cached by the queue, including the fields returned and the deliberate exclusion of the body. It clearly distinguishes this from feed_find/feed_search (finding the feed) and feed_post (fetching one post body via /items/:ord), so an agent can select it without opening sibling schemas.

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?

It explicitly routes the agent: find the feed first with feed_find or feed_search, then call this with an id from the index. It also states the negative constraint that this endpoint never accepts a URL and directs body retrieval to /items/:ord, which is exactly the when/when-not guidance needed.

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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