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longbridge

Official
by longbridge
OverviewSchemaSourceRelated ServersDiscussions(1)Admin
Rust
Hybrid

Topic List

topic
Read-onlyIdempotent

Retrieve discussion topics for any US or HK security symbol to see post titles, authors, creation dates, like counts, comment counts, and content summaries. Get community insights for investment decisions.

Instructions

Get discussion topics for a symbol. Returns items[]{id, title, author, created_at, like_count, comment_count, content_summary}.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
_jqNoOptional jq filter (jaq syntax) applied to this tool's JSON response before it is returned; it never changes the upstream request. One output is returned as-is, several as a JSON array, none as []. Module imports and the `env`/`debug`/`stderr` builtins are unavailable. Example: .data | map({symbol}). Omit for the full response.
symbolYesSecurity symbol, e.g. "700.HK". Use the canonical form — a padded code like "00700.HK" returns an empty record, not an error.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changedv0.12.0
    • addedInput schema / properties / _jq / description
      Added value: +"Optional jq filter (jaq syntax) applied to this tool's JSON response before it is returned; it never changes the upstream request. One output is returned as-is, several as a JSON array, none as []. Module imports and the `env`/`debug`/`stderr` builtins are unavailable. Example: .data | map({symbol}). Omit for the full response."
    • changedInput schema / properties / symbol / description
      Previous value: -"Security symbol, e.g. \"700.HK\""New value: +"Security symbol, e.g. \"700.HK\". Use the canonical form — a padded code like \"00700.HK\" returns an empty record, not an error."
  2. Changed1 schema field changedv0.10.6
    • addedInput schema / properties / _jq
      Added value: +{
+  "type": "string"
+}
  3. Changed1 schema field changedv0.7.1
    • removedInput schema / title
      Removed value: -"SymbolParam"
  4. Addedv0.4.5
  5. Removedv0.4.0
  6. Addedv0.3.2
  7. Removedv0.3.1
  8. First observedv0.1.12

TDQS

B3.4/5.0
Behavior3/5

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

Annotations already cover read-only, idempotent, and non-destructive behavior. The description adds the response shape (items[] with specific fields), which is useful, but it does not disclose any additional behavioral traits like pagination, error handling, or empty-result behavior. Given the annotation coverage, a 3 is appropriate.

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?

The description is a single, efficient sentence that front-loads the purpose and includes the key return fields. There is no wasted wording, and it is easy to parse.

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?

For a simple read-only list tool with one required parameter and no output schema, the description is mostly complete. It states the purpose and return fields, which is sufficient for basic usage. However, it omits potential nuances like pagination or limits, and it does not clarify how this tool relates to topic_detail or topic_replies, but these are minor gaps for this tool's simplicity.

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 input schema fully documents both parameters, including the canonical symbol format note. The description does not add any parameter-specific meaning beyond what the schema already provides. Since schema coverage is 100%, the baseline of 3 applies.

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 clearly states the tool retrieves discussion topics for a symbol and lists the returned fields. It is specific and unambiguous, but it does not explicitly differentiate from sibling tools like topic_search or topic_detail, so it earns a 4 rather than a 5.

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. It does not mention exclusions, prerequisites, or how it differs from related topic tools such as topic_search or topic_detail. An agent would have to infer usage from context.

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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