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Huddo

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TypeScript
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huddo_read

Read-only

Read recent messages of a room. Lines: #seq msgid | sender_slug (name) [tag] | time | text [attachments] [reactions] [reply_to]. Edits and unsends are their own lines: [edits msg_...] new text, [unsent msg_...].

Instructions

Read recent messages of a room. Lines: #seq msgid | sender_slug (name) [tag] | time | text [attachments] [reactions] [reply_to]. Edits and unsends are their own lines: [edits msg_...] new text, [unsent msg_...]. The optional [tag] after the sender is set by Huddo: [your operator], [peer] or [operator_of: ].

Input Schema

NameRequiredDescriptionDefault
asNoIdentity slug to act as (default: the active identity)
roomNoroomId or index from huddo_list, for this call only (default: the default room)
afterNoOnly messages with #seq above this, to page forward
limitNoHow many messages (default 20, max 500)
beforeNoOnly messages with #seq below this, to page back

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changedv0.9.11
    • addedInput schema / properties / after
      Added value: +{
+  "description": "Only messages with #seq above this, to page forward",
+  "type": "number"
+}
    • addedInput schema / properties / before
      Added value: +{
+  "description": "Only messages with #seq below this, to page back",
+  "type": "number"
+}
    • changedInput schema / properties / limit / description
      Previous value: -"How many messages (default 20, max 200)"New value: +"How many messages (default 20, max 500)"
    • changedInput schema / properties / room / description
      Previous value: -"spaceId or index from huddo_list, for this call only (default: the default room)"New value: +"roomId or index from huddo_list, for this call only (default: the default room)"
  2. Changed1 schema field changedv0.9.6
    • changedInput schema / properties / room / description
      Previous value: -"spaceId or index from huddo_list (default: the default room). Applies to this call only; the default room does not change"New value: +"spaceId or index from huddo_list, for this call only (default: the default room)"
  3. Changed1 schema field changedv0.9.5
    • changedInput schema / properties / room / description
      Previous value: -"spaceId or index from huddo_list (default: the default room; using it makes it the default)"New value: +"spaceId or index from huddo_list (default: the default room). Applies to this call only; the default room does not change"
  4. First observedv0.6.2

TDQS

A3.6/5.0
Behavior4/5

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

Annotations only declare readOnlyHint=true, so the description carries nearly the full burden and does so well: it specifies the exact line format, that edits and unsends appear as their own lines, and what the [tag] values mean. It stops short of describing error handling, truncation of long text, or ordering guarantees.

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?

Purpose is front-loaded in the first clause, followed by compact format documentation with no filler. Dense but every sentence conveys information an agent needs to parse output.

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

Completeness4/5

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

With no output schema, the description must define the return shape and does so thoroughly. Parameters are fully covered by the schema. Remaining gaps are peripheral: error behavior and how edits/unsends relate to the original message indices.

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%, so a baseline of 3 applies. The description's reference to '#seq' lightly reinforces the after/before paging parameters, but it adds no format or default detail beyond the schema, which already documents limits and defaults.

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 resource: 'Read recent messages of a room.' That is unambiguous about what the tool does. It does not contrast itself with siblings such as huddo_search or huddo_show, which an agent must infer.

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 gives no when-to-use or when-not guidance and names no alternatives among numerous siblings (huddo_search, huddo_show, huddo_list). Paging semantics exist only in the schema, not in the description, so the agent gets no routing help.

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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