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Social Media Search API — Twitter, Instagram, Reddit, TikTok (XPOZ)

getInstagramCommentsByPostId

Read-only

Get COMMENT CONTENT (text, likes) for an Instagram post. Returns the actual comment objects with text and metadata. RETURNS COMMENT DATA: id, text, username, createdAtDate, likeCount, childCommentCount. Use for reading what people said. NOT FOR USER PROFILES: To get detailed user profiles (bio, followerCount, followingCount) of commenters, use getInstagramPostInteractingUsers with interactionType="commenters" instead. IMPORTANT: postId must be in strong_id format (e.g., "3606450040306139062_4836333238") - use the full "id" value from other Instagram tools, NOT just the media_id. FAST (default, omit responseType or responseType="fast"): Returns up to 300 results directly (use limit param to reduce, e.g. limit=5). Auto API fallback for fresh data. PAGING (responseType="paging"): Async paginated results (100/page), returns operationId for polling via checkOperationStatus. Supports pageNumber/tableName for subsequent pages. CSV (responseType="csv"): Async single CSV download, returns operationId, poll for S3 link. CODE EXECUTION: For csv mode, download CSV and use code execution to analyze full dataset. Ideal for: sentiment analysis, reading discussions, analyzing comment content, engagement patterns. Date filters: OMIT startDate/endDate parameters by default. ONLY pass these if user explicitly requests specific date range (YYYY-MM-DD format). IMPORTANT!!!!!: THE CURRENT YEAR IS 2026. When user requests relative dates (last week, last month), verify the current date from your system context and double-check the calculated dates - models often get the year wrong, searching one year earlier than intended. Optional fields: ["id", "text", "username", "createdAtDate", "likeCount"]. This is a safe, read-only tool for analyzing searchable information.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMax results to return. Fast mode: capped at 300 (default: 300). Paging/CSV modes: caps total exported rows (default: all, max 500K).
fieldsNoPERFORMANCE OPTIMIZATION: Specify fields you need. DEFAULT (if omitted): ["id", "text", "username", "createdAtDate"]. AVAILABLE FIELDS: Core: id, text, parentPostId, type, parentCommentId, repliedToCommentId, childCommentCount, userId, username, fullName, createdAt, createdAtTimestamp, createdAtDate. Engagement: likeCount. Status: status, isSpam, hasTranslation. EXAMPLES: ["id", "text"] for minimal, ["id", "text", "username", "createdAtDate", "likeCount"] for basic analysis, or specify all fields if needed.
postIdYesREQUIRED FORMAT: strong_id (e.g., "3606450040306139062_4836333238"). This is the complete post identifier consisting of media_id + underscore + user_id. When receiving the post id from other instagram tools, use the full "id" valueDO NOT use only the media_id portion.
endDateNo
_isTrialNo
feedbackNoOptional. Any free-form feedback you want to share — about this tool, other tools, the platform overall, or anything else. Feedback does NOT have to be about the current tool: you can use this field to comment on a different tool you used earlier, flag missing functionality, request a new tool, or share general impressions. Examples: "wish getTwitterPostsByKeywords supported language filtering", "auth flow was confusing", "would be useful to have a tool that lists the members of a Twitter list", "loved how fast this was". Captured for product feedback; does not affect tool behavior.
startDateNo
tableNameNoCached table name from previous pagination request. Required when fetching pageNumber > 1. Returned in first page response.
_requestIdNo
pageNumberNoPage number to fetch (1-indexed). Must be provided with tableName to fetch subsequent pages. Omit for first page.
userPromptNoCRITICAL FOR ACCURACY: Include the complete user question to enable query optimization and context-aware filtering. The tool uses NLP analysis on the original prompt to improve result relevance, detect implicit requirements, and apply intelligent caching. Omitting this may result in suboptimal or incomplete results.
_trialTokenNo
forceLatestNoUSE SPARINGLY: Force fetching the latest data from the API, bypassing cache checks. Only use when explicitly required (e.g., "get the latest", "most recent", "real-time"). WARNING: Increases latency and API costs. Default: false (uses intelligent caching).
responseTypeNoResponse mode. "fast" (default): returns up to 300 results directly (use limit param to reduce). "paging": async paginated results (100/page), poll via checkOperationStatus. "csv": async single CSV download, poll for S3 link.
pageNumberEndNoOptional ending page number for fetching multiple consecutive pages at once (e.g., pageNumber=1, pageNumberEnd=5 fetches pages 1-5). Must be >= pageNumber. Omit to fetch single page only. Requires tableName.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / feedback / description
      Previous value: -"Optional. Any free-form feedback you want to share — about this tool, other tools, the platform overall, or anything else. Feedback does NOT have to be about the current tool: you can use this field to comment on a different tool you used earlier, flag missing functionality, request a new tool, or share general impressions. Examples: \"wish getTwitterPostsByKeywords supported language filtering\", \"auth flow was confusing\", \"would be useful to have a getTwitterListMembers tool\", \"loved how fast this was\". Captured for product feedback; does not affect tool behavior."New value: +"Optional. Any free-form feedback you want to share — about this tool, other tools, the platform overall, or anything else. Feedback does NOT have to be about the current tool: you can use this field to comment on a different tool you used earlier, flag missing functionality, request a new tool, or share general impressions. Examples: \"wish getTwitterPostsByKeywords supported language filtering\", \"auth flow was confusing\", \"would be useful to have a tool that lists the members of a Twitter list\", \"loved how fast this was\". Captured for product feedback; does not affect tool behavior."
  2. Changed5 schema fields changed
    • addedInput schema / properties / _isTrial
      Added value: +{
      +  "type": "boolean"
      +}
    • addedInput schema / properties / _trialToken
      Added value: +{
      +  "type": "string"
      +}
    • addedInput schema / properties / feedback
      Added value: +{
      +  "description": "Optional. Any free-form feedback you want to share — about this tool, other tools, the platform overall, or anything else. Feedback does NOT have to be about the current tool: you can use this field to comment on a different tool you used earlier, flag missing functionality, request a new tool, or share general impressions. Examples: \"wish getTwitterPostsByKeywords supported language filtering\", \"auth flow was confusing\", \"would be useful to have a getTwitterListMembers tool\", \"loved how fast this was\". Captured for product feedback; does not affect tool behavior.",
      +  "type": "string"
      +}
    • addedInput schema / properties / limit
      Added value: +{
      +  "description": "Max results to return. Fast mode: capped at 300 (default: 300). Paging/CSV modes: caps total exported rows (default: all, max 500K).",
      +  "maximum": 500000,
      +  "minimum": 1,
      +  "type": "number"
      +}
    • addedInput schema / properties / responseType
      Added value: +{
      +  "description": "Response mode. \"fast\" (default): returns up to 300 results directly (use limit param to reduce). \"paging\": async paginated results (100/page), poll via checkOperationStatus. \"csv\": async single CSV download, poll for S3 link.",
      +  "enum": [
      +    "fast",
      +    "paging",
      +    "csv"
      +  ],
      +  "type": "string"
      +}
  3. Changed1 schema field changed
    • addedInput schema / properties / postId / pattern
      Added value: +"^\\d+_\\d+$"
  4. First observed

TDQS

A4.8/5.0
Behavior5/5

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

Beyond the provided annotations (readOnlyHint, destructiveHint), the description thoroughly explains behavior: response modes (fast, paging, csv), async polling via checkOperationStatus, automatic API fallback for fresh data, caching caveats, and S3 links for CSV exports. It also reinforces that this is a safe read-only operation, which is consistent with annotations.

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?

The description is long and uses headers to organize fast/paging/csv modes, but it does repeat some schema-level details (responseType descriptions, limit caps) and includes a verbose current-date warning. Still, every section adds value, and the beginning front-loads the core purpose before diving into edge cases.

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?

Given no output schema, the description fully defines expected fields, available response modes, pagination and polling details, and a performance/usage strategy. It covers fallback behavior and when to omit parameters, leaving little for an agent to guess. This completeness outweighs the tool's large parameter surface.

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?

The schema already covers many parameters, but the description adds meaningful nuance: it clarifies the postId strong_id requirement ('use the full id, NOT just media_id'), explains response modes in context, and provides default/conditional behavior for startDate/endDate and limit. It doesn't cover every parameter (e.g., _requestId, feedback) but the important ones get added meaning.

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 action (get), the resource (Instagram post comments), and the returned data (id, text, username, etc.). It also distinguishes itself from the sibling tool for fetching commenter profiles, telling the agent exactly what it is and what it is not for.

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?

The description explicitly says when to use this tool ('Use for reading what people said') and when NOT to use it, directing agents to getInstagramPostInteractingUsers for user profiles. It also gives concrete suggestions: omit startDate/endDate by default, only pass forceLatest when explicitly asked for latest data, and use userPrompt for accuracy.

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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