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Search Species

search_species
Read-onlyIdempotent

Search for species by common or scientific name. Returns matched taxa with rank, classification status, and taxonomic hierarchy. Use get_species with the taxon key for full details.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum results to return (1-100, default 20)
queryYesSpecies name or keyword (e.g., "Homo sapiens", "oak")

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
countYesTotal number of results found
resultsYesArray of matched species
end_of_recordsYesWhether all available records have been returned

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Changed2 schema fields changed
    • addedInput schema / examples
      Added value: +[
      +  {
      +    "query": "Homo sapiens"
      +  },
      +  {
      +    "limit": 50,
      +    "query": "oak"
      +  }
      +]
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "count": {
      +      "description": "Total number of results found",
      +      "type": "number"
      +    },
      +    "end_of_records": {
      +      "description": "Whether all available records have been returned",
      +      "type": "boolean"
      +    },
      +    "results": {
      +      "description": "Array of matched species",
      +      "items": {
      +        "properties": {
      +          "canonical_name": {
      +            "description": "Canonical form of scientific name",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "class": {
      +            "description": "Class classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "family": {
      +            "description": "Family classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "genus": {
      +            "description": "Genus classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "key": {
      +            "description": "GBIF taxon key identifier",
      +            "type": "number"
      +          },
      +          "kingdom": {
      +            "description": "Kingdom classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "num_descendants": {
      +            "description": "Number of descendant taxa",
      +            "type": [
      +              "number",
      +              "null"
      +            ]
      +          },
      +          "order": {
      +            "description": "Order classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "phylum": {
      +            "description": "Phylum classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "rank": {
      +            "description": "Taxonomic rank (e.g., species, genus, family)",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "scientific_name": {
      +            "description": "Full scientific name",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "species": {
      +            "description": "Species classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "status": {
      +            "description": "Classification status",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          }
      +        },
      +        "required": [
      +          "key",
      +          "scientific_name",
      +          "canonical_name",
      +          "rank",
      +          "status",
      +          "kingdom",
      +          "phylum",
      +          "class",
      +          "order",
      +          "family",
      +          "genus",
      +          "species",
      +          "num_descendants"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    }
      +  },
      +  "required": [
      +    "count",
      +    "end_of_records",
      +    "results"
      +  ],
      +  "type": "object"
      +}
  2. Changed2 schema fields changed
    • removedInput schema / examples
      Removed value: -[
      -  {
      -    "query": "Homo sapiens"
      -  },
      -  {
      -    "limit": 50,
      -    "query": "oak"
      -  }
      -]
    • changedOutput schema / (root)
      Previous value: -{
      -  "properties": {
      -    "count": {
      -      "description": "Total number of results found",
      -      "type": "number"
      -    },
      -    "end_of_records": {
      -      "description": "Whether all available records have been returned",
      -      "type": "boolean"
      -    },
      -    "results": {
      -      "description": "Array of matched species",
      -      "items": {
      -        "properties": {
      -          "canonical_name": {
      -            "description": "Canonical form of scientific name",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "class": {
      -            "description": "Class classification",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "family": {
      -            "description": "Family classification",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "genus": {
      -            "description": "Genus classification",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "key": {
      -            "description": "GBIF taxon key identifier",
      -            "type": "number"
      -          },
      -          "kingdom": {
      -            "description": "Kingdom classification",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "num_descendants": {
      -            "description": "Number of descendant taxa",
      -            "type": [
      -              "number",
      -              "null"
      -            ]
      -          },
      -          "order": {
      -            "description": "Order classification",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "phylum": {
      -            "description": "Phylum classification",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "rank": {
      -            "description": "Taxonomic rank (e.g., species, genus, family)",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "scientific_name": {
      -            "description": "Full scientific name",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "species": {
      -            "description": "Species classification",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          },
      -          "status": {
      -            "description": "Classification status",
      -            "type": [
      -              "string",
      -              "null"
      -            ]
      -          }
      -        },
      -        "required": [
      -          "key",
      -          "scientific_name",
      -          "canonical_name",
      -          "rank",
      -          "status",
      -          "kingdom",
      -          "phylum",
      -          "class",
      -          "order",
      -          "family",
      -          "genus",
      -          "species",
      -          "num_descendants"
      -        ],
      -        "type": "object"
      -      },
      -      "type": "array"
      -    }
      -  },
      -  "required": [
      -    "count",
      -    "end_of_records",
      -    "results"
      -  ],
      -  "type": "object"
      -}New value: +null
  3. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "count": {
      +      "description": "Total number of results found",
      +      "type": "number"
      +    },
      +    "end_of_records": {
      +      "description": "Whether all available records have been returned",
      +      "type": "boolean"
      +    },
      +    "results": {
      +      "description": "Array of matched species",
      +      "items": {
      +        "properties": {
      +          "canonical_name": {
      +            "description": "Canonical form of scientific name",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "class": {
      +            "description": "Class classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "family": {
      +            "description": "Family classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "genus": {
      +            "description": "Genus classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "key": {
      +            "description": "GBIF taxon key identifier",
      +            "type": "number"
      +          },
      +          "kingdom": {
      +            "description": "Kingdom classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "num_descendants": {
      +            "description": "Number of descendant taxa",
      +            "type": [
      +              "number",
      +              "null"
      +            ]
      +          },
      +          "order": {
      +            "description": "Order classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "phylum": {
      +            "description": "Phylum classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "rank": {
      +            "description": "Taxonomic rank (e.g., species, genus, family)",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "scientific_name": {
      +            "description": "Full scientific name",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "species": {
      +            "description": "Species classification",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "status": {
      +            "description": "Classification status",
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          }
      +        },
      +        "required": [
      +          "key",
      +          "scientific_name",
      +          "canonical_name",
      +          "rank",
      +          "status",
      +          "kingdom",
      +          "phylum",
      +          "class",
      +          "order",
      +          "family",
      +          "genus",
      +          "species",
      +          "num_descendants"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    }
      +  },
      +  "required": [
      +    "count",
      +    "end_of_records",
      +    "results"
      +  ],
      +  "type": "object"
      +}
  4. Changed1 schema field changed
    • addedInput schema / examples
      Added value: +[
      +  {
      +    "query": "Homo sapiens"
      +  },
      +  {
      +    "limit": 50,
      +    "query": "oak"
      +  }
      +]
  5. First observed

TDQS

A4.5/5.0
Behavior4/5

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

Annotations already declare readOnly, openWorld, idempotent, and non-destructive behavior, lowering the bar. The description adds useful context beyond the annotations by explaining what the search returns (rank, classification status, taxonomic hierarchy) and the name-matching behavior. This extra behavioral detail justifies a score above 3, though it stops short of a 5 by not addressing pagination or edge cases.

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 two sentences, front-loaded with the primary purpose, and every sentence earns its place. It includes the input type, return value, and a follow-up recommendation with no redundancy or filler.

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 the tool's simplicity (2 params, output schema present, strong annotations), the description is complete. It covers purpose, input semantics, output highlights, and the recommended next step, leaving no critical gaps. The output schema handles detailed return structure, so the description need not elaborate further.

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%, with both 'query' and 'limit' fully described in the schema. The description adds no new parameter-specific semantics; it only restates that search is by name. Therefore, the baseline score of 3 is appropriate since the schema does all the heavy lifting.

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 uses a specific verb ('Search for species') and specifies the resource ('species by common or scientific name'), clearly distinguishing this tool from siblings like get_species. It also states the return value (matched taxa with rank, classification status, and taxonomic hierarchy) and names get_species as the follow-up for full details.

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 guides the user to 'Use get_species with the taxon key for full details,' providing a clear next step and alternative. This differentiates when to use this search tool versus a more detailed lookup tool, satisfying the when-to-use/alternative requirement.

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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