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Probative legal-marketing data

by com.probativegrowth
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List the datasets

list_datasets
Read-onlyIdempotent

Every public dataset on this server: what it covers, its version, DOI, license (CC BY 4.0), credit line, last-checked date, the page to cite, its files and its tools.

Input Schema

NameRequiredDescriptionDefault
detailNosummary (default): each record as its id, a 1-2 sentence text, status, date checked, one source URL and the page to cite. full: every field, every source and the per-record provenance.summary

Output Schema

NameRequiredDescriptionDefault
metaYesCredit line (attribution), citation, DOI, version, license (CC BY 4.0), disclaimer, notice and the page to cite
nextCursorNoPass as `cursor` to get the next page; null on the last page
provenanceYesWhere this came from: the publisher of the dataset, the dataset and its version DOI, the record id, the original source (who published it and its URL), the day that source was last checked, and when this answer was retrieved

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / detail
      Added value: +{
+  "default": "summary",
+  "description": "summary (default): each record as its id, a 1-2 sentence text, status, date checked, one source URL and the page to cite. full: every field, every source and the per-record provenance.",
+  "enum": [
+    "summary",
+    "full"
+  ],
+  "type": "string"
+}
  2. Changed3 schema fields changed
    • addedOutput schema / properties / nextCursor
      Added value: +{
+  "description": "Pass as `cursor` to get the next page; null on the last page",
+  "type": [
+    "string",
+    "null"
+  ]
+}
    • addedOutput schema / properties / provenance
      Added value: +{
+  "description": "Where this came from: the publisher of the dataset, the dataset and its version DOI, the record id, the original source (who published it and its URL), the day that source was last checked, and when this answer was retrieved",
+  "properties": {
+    "citeUrl": {
+      "description": "The page to cite",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "dataset": {
+      "description": "Dataset id",
+      "type": "string"
+    },
+    "datasetTitle": {
+      "type": "string"
+    },
+    "dateChecked": {
+      "description": "YYYY-MM-DD the record was last checked against its source",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "doi": {
+      "description": "Version DOI",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "doiUrl": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "line": {
+      "description": "The same facts as one sentence, to quote under an answer",
+      "type": "string"
+    },
+    "publisher": {
+      "description": "Publisher of the dataset",
+      "type": "string"
+    },
+    "recordId": {
+      "description": "Stable id of the record",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "retrievedAt": {
+      "description": "ISO 8601 time this answer was served",
+      "type": "string"
+    },
+    "source": {
+      "description": "The original source: statute, rule, bar opinion, court report, agency table or platform policy",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "sourceKind": {
+      "description": "primary or secondary",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "sourceUrl": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "status": {
+      "description": "P primary source, S secondary, D default (no specific rule found), U open question",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "version": {
+      "description": "Dataset version",
+      "type": "string"
+    }
+  },
+  "required": [
+    "publisher",
+    "dataset",
+    "version",
+    "retrievedAt"
+  ],
+  "type": "object"
+}
    • changedOutput schema / required
      Previous value: -[
-  "meta"
-]New value: +[
+  "meta",
+  "provenance"
+]
  3. First observed

TDQS

B3.2/5.0
Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, non-destructive and closed-world, so the safety profile is covered. The description adds real context beyond that: the record is explicitly complete ('every public dataset') and carries provenance fields like last-checked date and credit line. It says nothing about volume or pagination, which matters for a full-catalog enumeration.

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?

One dense sentence that front-loads the completeness claim and then enumerates the fields. Every clause carries information, though the fragment lacks a verb and the field list edges toward restating the output schema.

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 an output schema present, the description does not need to explain return structure, and annotations cover the read-only profile. The scope claim ('every public dataset') plus the field inventory is sufficient for correct invocation; only the missing usage routing keeps it below 5.

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% and the 'detail' enum already documents summary vs full in detail, including defaults. The description ignores the parameter entirely, so it adds nothing over the schema. Baseline 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?

States a specific resource and scope ('Every public dataset on this server') plus the fields each record carries (version, DOI, license, credit line, files, tools). The verb is elided but the listing intent is unambiguous, and no sibling also enumerates datasets. It stops short of an explicit verb+differentiation statement, so not 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?

There is no explicit when-to-use guidance, no mention of when-not to use it, and no pointer to alternatives such as data_lookup or data_search for actually retrieving dataset content. The catalog-style framing implies 'use this to browse first', but the agent must infer that.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Probative legal-marketing data toolsInspect
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