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Tulina

by ai.tulina.mcp
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reddit_search

Search Reddit posts. If subreddit is set, restricts to that sub.

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": {
      "query": "<query>"
    },
    "name": "reddit_search"
  }
}

Input Schema

NameRequiredDescriptionDefault
_orgNoOrg (id) de CET APPEL. `oto_list_orgs()`.
sortNorelevance|hot|top|new|comments.relevance
timeNohour|day|week|month|year|all.all
afterNoPagination cursor from a previous call's `after`.
limitNoMax results (capped at 100).
queryYesSearch query.
_groupNoÉquipe (id) de CET APPEL, sous son org parente.
_run_idNoOBLIGATOIRE à chaque appel dès `run_start` ou `data_claim_next` : sans lui, l'écriture sur une ligne réservée est refusée. Hérité seulement si le serveur tient un run actif — n'y compte pas.
_projectNoProjet (id) de CET APPEL — jeton PRIMAIRE. `oto_project(op='list')`.
_instanceNoInstance de connecteur PRÉCISE (un credential exact). `oto_instance(op='list')`.
subredditNoSubreddit name to restrict the search to (optional).

Schema Changelog

Changes observed during successful MCP inspections.

No schema history has been recorded yet.

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description must carry the full behavioral burden and does not. It never states that the call is a read-only search, how results are ordered/paginated (the `after` cursor and 100 cap exist only in the schema), or that several `_org`/`_run_id`/`_project` parameters tie the call to an active run context.

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?

Two short, front-loaded sentences with no filler; the primary action comes first and the conditional modifier second. Brevity here is efficient, though it borders on under-specification.

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

Completeness2/5

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

For an 11-parameter tool with no annotations and no output schema, the description covers only the main action and one parameter. Nothing tells the agent how results come back, how to page, or what the five internal context parameters mean for invocation.

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 description coverage is 100%, so the baseline is 3; the schema already documents sort, time, limit, after, and subreddit. The one added nuance — that setting `subreddit` narrows the search rather than switching to a subreddit feed — is useful but marginal against the schema text.

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 ("Search Reddit posts") and adds a scoping modifier. It implicitly differentiates from siblings like reddit_subreddit and reddit_search_subreddits by saying it searches posts, but never names them explicitly.

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?

No guidance on when to choose this over reddit_subreddit (browse a sub's posts), reddit_post (fetch a specific post), or reddit_search_subreddits (find subreddits). The subreddit note describes a parameter effect, not a use-case condition, and there are no exclusions or prerequisites.

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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