_ registry / mcp http-sse

paleobiology-mcp-server

https://paleobiology.caseyjhand.com

Registry code: 0d82d2ac8be3ec08

Fossil biodiversity over the Paleobiology Database (PBDB) across ~540 million years. Resolve a taxon name to its accepted name + integer taxon_no with paleobiology_get_taxon before occurrence or diversity searches. Geologic time is the native axis: every temporal filter accepts a named interval (e.g. "Maastrichtian") or a max_ma/min_ma range, and every result echoes both — use paleobiology_list_intervals to translate between them. Each occurrence carries two distinct coordinate systems: modern lng/lat (where the rock sits today) and paleo lng/lat (where the landmass sat at deposition) — never…

endpoint: https://paleobiology.caseyjhand.com/mcp
protocol: http-sse ·2025-06-18
authentication: none observed
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priced tools

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_ used through this hub 30 days

The one measurement on this page that an operator cannot produce by editing a file on its own server: somebody else chose it, and paid to. Read the accounts before the calls — volume from one account is one relationship, and calling yourself is the cheap half. Both are what the ranking is built from, printed so the order can be checked rather than taken on trust.

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_ what it can do 7 tools

7 never probed 0 of 7 classified

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paleobiology_get_diversity unknown never probed

Compute a diversity / origination / extinction curve for a clade across geologic time, binned by period, epoch, or age — answers "plot dinosaur genus diversity across the Mesozoic." Pass a clade-inclusive base_name (or base_id, the same clade by resolved taxon id — exactly one of the two) and bound the span by a named interval (e.g. "Mesozoic") or a max_ma/min_ma range; choose what to count (genera, species, or families) and the bin resolution. The full bin set returns inline — a diversity series is a bounded set of geologic intervals — so you read the curve, the turnover, and the per-bin origination/extinction directly. Counts reflect SAMPLED diversity, biased by collection effort and rock availability, not true past diversity.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "count": {
      "enum": [
        "genera",
        "species",
        "families"
      ],
      "type": "string",
      "default": "genera",
      "description": "What to count per bin: \"genera\" (default), \"species\", or \"families\"."
    },
    "max_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Older bound of the span in millions of years ago. Alternative to interval. When paired with min_ma it must be strictly greater — max_ma is the deeper-time end of the span."
    },
    "min_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Younger bound of the span in millions of years ago. Alternative to interval. When paired with max_ma it must be strictly smaller — min_ma is the nearer-to-present end of the span."
    },
    "base_id": {
      "type": "integer",
      "maximum": 9007199254740991,
      "description": "Clade-inclusive taxon to count, by PBDB taxon id — the taxon_no from paleobiology_get_taxon, or accepted_no on an occurrence row. Same semantics as base_name, but unambiguous where a name is not (homonyms, synonyms, unresolved spellings). Supply this or base_name (exactly one is required, never both).",
      "exclusiveMinimum": 0
    },
    "interval": {
      "type": "string",
      "description": "Named geologic interval bounding the span, e.g. \"Mesozoic\". Alternative to max_ma/min_ma."
    },
    "base_name": {
      "type": "string",
      "description": "Clade-inclusive taxon to count, e.g. \"Dinosauria\" or \"Ammonoidea\" — this taxon and all descendants. Supply this or base_id (exactly one is required, never both)."
    },
    "resolution": {
      "enum": [
        "period",
        "epoch",
        "age"
      ],
      "type": "string",
      "default": "period",
      "description": "Bin resolution: \"period\" (default, coarse), \"epoch\", or \"age\" (finest)."
    }
  },
  "additionalProperties": false
}

arguments 51 lines

paleobiology_search_occurrences unknown never probed

Search fossil occurrences filtered by taxon, geologic time, geography, and depositional environment — the flagship. Use base_name for a clade and all its descendants (what "Tyrannosaurus occurrences" usually means), base_id for that same clade by resolved taxon id, or taxon_name for an exact taxon. Bound the age by a named interval (e.g. "Maastrichtian") or a max_ma/min_ma range, and/or a lng/lat bounding box; scope to a single locality with collection_no (take it from a paleobiology_search_collections row). At least one filter is required — taxon, time, place, environment, or collection_no. Every row carries two distinct coordinate systems — modern lng/lat (where the rock is today) and paleo lng/lat (where the landmass sat at deposition) — plus the formation, age interval, and higher classification (phylum through genus); never plot a deep-time occurrence on a modern coastline. Resolve a name with paleobiology_get_taxon first if unsure. Broad queries return many rows: an inline preview answers the immediate question, and when the set outgrows that preview the matching occurrences — up to the per-call cap — stage on a DataCanvas (canvas_id + table_name, returned only then) for SQL via paleobiology_dataframe_query (count by interval, group by formation/country, map by region). The response reports how many occurrences matched in total, which rows this page covers, and the offset that reaches the next page — page through the whole match set with limit/offset.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "limit": {
      "type": "integer",
      "default": 100,
      "maximum": 500,
      "minimum": 1,
      "description": "Maximum occurrences to pull per page (1–500). Caps the pull (further bounded by PBDB_MAX_OCCURRENCES); broad queries stage that page on the canvas for SQL. Pair with offset to walk the whole match set."
    },
    "latmax": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "description": "Northern edge of the bounding box, decimal degrees (−90…90). Valid on its own — a lone latitude edge filters as a half-plane."
    },
    "latmin": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "description": "Southern edge of the bounding box, decimal degrees (−90…90). Valid on its own — a lone latitude edge filters as a half-plane."
    },
    "lngmax": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "description": "Eastern edge of the bounding box, decimal degrees (−180…180). Longitude is a closed pair — supply lngmin with it or neither."
    },
    "lngmin": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "description": "Western edge of the bounding box, decimal degrees (−180…180). Longitude is a closed pair — supply lngmax with it or neither."
    },
    "max_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Older age bound in millions of years ago. Alternative to interval. When paired with min_ma it must be strictly greater — max_ma is the deeper-time end of the window."
    },
    "min_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Younger age bound in millions of years ago. Alternative to interval. When paired with max_ma it must be strictly smaller — min_ma is the nearer-to-present end of the window."
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "description": "Number of matching occurrences to skip before this page — page with limit by advancing offset. The response notice names the exact offset that reaches the next page."
    },
    "base_id": {
      "type": "integer",
      "maximum": 9007199254740991,
      "description": "Clade-inclusive taxon filter by PBDB taxon id — the taxon_no from paleobiology_get_taxon, or accepted_no on an occurrence row. Same clade-inclusive semantics as base_name, but unambiguous where a name is not (homonyms, synonyms, unresolved spellings). Supply this or base_name, never both.",
      "exclusiveMinimum": 0
    },
    "interval": {
      "type": "string",
      "description": "Named geologic interval bounding the age, e.g. \"Cretaceous\" or \"Maastrichtian\". Alternative to max_ma/min_ma."
    },
    "base_name": {
      "type": "string",
      "description": "Clade-inclusive taxon filter — this taxon and all descendants, e.g. \"Dinosauria\". The usual choice. Supply this or base_id, never both."
    },
    "canvas_id": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]{10}$",
      "description": "Canvas id from a prior call to re-stage onto the same workspace. Reusing it REPLACES (overwrites) the prior occurrence table — each search restages the full result, it does not append to or accumulate across earlier ones. Omit to start fresh; the response returns a new id."
    },
    "taxon_name": {
      "type": "string",
      "description": "Exact taxon filter — only this taxon, not descendants. Use instead of base_name when you want a single taxon."
    },
    "environment": {
      "enum": [
        "marine",
        "terrestrial",
        "freshwater"
      ],
      "type": "string",
      "description": "Depositional environment: \"marine\", \"terrestrial\", or \"freshwater\" (lacustrine + fluvial). Omit for all."
    },
    "collection_no": {
      "type": "integer",
      "maximum": 9007199254740991,
      "description": "Restrict to one collection (locality) by its PBDB collection_no — the fauna found together at that site. Take the id from a paleobiology_search_collections row to drill from a locality into its occurrences.",
      "exclusiveMinimum": 0
    }
  },
  "additionalProperties": false
}

arguments 93 lines

paleobiology_get_taxon unknown never probed

Resolve a taxon by name (e.g. "Tyrannosaurus") or by integer taxon_no to its accepted name, rank, higher classification, immediate parent, fossil occurrence count, and first/last appearance (FAD/LAD) range in millions of years — "when did this clade exist, and what is it." Run this first to resolve a name into the accepted name and taxon_no, then pass that id as base_id to paleobiology_search_occurrences, paleobiology_get_diversity, or paleobiology_search_collections for a clade-inclusive filter that carries no name ambiguity (the same id also appears as accepted_no on occurrence rows). Set show_children to also list immediate child taxa. PBDB taxonomy is opinionated and can differ from GBIF's backbone, so the accepted name may differ from the name you searched.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "name": {
      "type": "string",
      "description": "Taxon name to resolve, e.g. \"Tyrannosaurus\" or \"Ammonoidea\". Provide this or taxon_no."
    },
    "taxon_no": {
      "type": "integer",
      "maximum": 9007199254740991,
      "description": "PBDB taxon id from a prior get_taxon, or accepted_no on an occurrence row. Provide this or name.",
      "exclusiveMinimum": 0
    },
    "show_children": {
      "type": "boolean",
      "default": false,
      "description": "When true, include a page of the immediate child taxa of this taxon (at most 200 per call — children_truncated says whether more remain)."
    },
    "children_offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "description": "Number of immediate children to skip before the returned page — used only when show_children is true. Advance it by 200 while children_truncated is true to walk the whole child list."
    }
  },
  "additionalProperties": false
}

arguments 29 lines

paleobiology_list_intervals unknown never probed

Look up the geologic time scale — eons, eras, periods, epochs, and ages with their absolute-age boundaries in millions of years (Ma) and nesting. This is the reference that grounds every temporal filter on the other tools and translates a named interval like "Late Cretaceous" to its 100.5–66.0 Ma boundaries (and back). Filter by a name substring, a Ma range (overlap match), and/or a level; call with no filters to browse the full scale. Browsing and every name on the bundled ICS international-scale snapshot are answered offline. A name the snapshot does not carry — the sub-stage and regional names that occurrence and collection rows report, such as "Late Maastrichtian" or "Lancian" — costs one PBDB lookup across its other time scales; the response names which source answered and which scale the interval belongs to.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "name": {
      "type": "string",
      "description": "Case-insensitive substring of the interval name, e.g. \"cretaceous\" or \"Jurassic\". A name the bundled international scale does not carry is matched exactly against PBDB's other time scales."
    },
    "level": {
      "enum": [
        "eon",
        "era",
        "period",
        "epoch",
        "age"
      ],
      "type": "string",
      "description": "Restrict to one rank of the international scale: eon, era, period, epoch, or age (finest). Browsing is bounded to that scale, so the sub-stage and regional ranks are not selectable here."
    },
    "max_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Older bound of an age window (Ma); intervals overlapping [min_ma, max_ma] match."
    },
    "min_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Younger bound of an age window (Ma); intervals overlapping [min_ma, max_ma] match."
    }
  },
  "additionalProperties": false
}

arguments 32 lines

paleobiology_search_collections unknown never probed

Find fossil collections (localities) by area and geologic time — "what has been dug up here, and from what rock." Each locality returns its location, age (named interval and Ma), formation and strata, lithology, depositional environment, and the count of co-occurring fossils. Filter by a clade-inclusive base_name (or base_id, the same clade by resolved taxon id), a named interval or max_ma/min_ma range, a lng/lat bounding box, a formation or lithology name, and/or an environment. Results page inline via limit/offset (the response discloses when more remain). Take a collection_no from a row and pass it — or the same bbox+interval — to paleobiology_search_occurrences to see the actual fauna found together.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "limit": {
      "type": "integer",
      "default": 100,
      "maximum": 500,
      "minimum": 1,
      "description": "Maximum localities to return per page (1–500)."
    },
    "latmax": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "description": "Northern edge of the bounding box, decimal degrees (−90…90). Valid on its own — a lone latitude edge filters as a half-plane."
    },
    "latmin": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "description": "Southern edge of the bounding box, decimal degrees (−90…90). Valid on its own — a lone latitude edge filters as a half-plane."
    },
    "lngmax": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "description": "Eastern edge of the bounding box, decimal degrees (−180…180). Longitude is a closed pair — supply lngmin with it or neither."
    },
    "lngmin": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "description": "Western edge of the bounding box, decimal degrees (−180…180). Longitude is a closed pair — supply lngmax with it or neither."
    },
    "max_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Older age bound in millions of years ago. When paired with min_ma it must be strictly greater — max_ma is the deeper-time end of the window."
    },
    "min_ma": {
      "type": "number",
      "minimum": 0,
      "description": "Younger age bound in millions of years ago. When paired with max_ma it must be strictly smaller — min_ma is the nearer-to-present end of the window."
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "description": "Number of localities to skip — page with limit by advancing offset."
    },
    "base_id": {
      "type": "integer",
      "maximum": 9007199254740991,
      "description": "Clade-inclusive taxon filter by PBDB taxon id — the taxon_no from paleobiology_get_taxon, or accepted_no on an occurrence row. Same semantics as base_name, but unambiguous where a name is not (homonyms, synonyms, unresolved spellings). Supply this or base_name, never both.",
      "exclusiveMinimum": 0
    },
    "interval": {
      "type": "string",
      "description": "Named geologic interval bounding the age, e.g. \"Maastrichtian\". Alternative to max_ma/min_ma."
    },
    "base_name": {
      "type": "string",
      "description": "Clade-inclusive taxon filter — localities yielding this taxon or its descendants, e.g. \"Dinosauria\". Supply this or base_id, never both."
    },
    "formation": {
      "type": "string",
      "description": "Geologic formation name to filter by, e.g. \"Hell Creek\"."
    },
    "lithology": {
      "type": "string",
      "description": "Lithology (rock type) to filter by, e.g. \"sandstone\"."
    },
    "environment": {
      "enum": [
        "marine",
        "terrestrial",
        "freshwater"
      ],
      "type": "string",
      "description": "Depositional environment: \"marine\", \"terrestrial\", or \"freshwater\" (lacustrine + fluvial). Omit for all."
    }
  },
  "additionalProperties": false
}

arguments 86 lines

paleobiology_dataframe_query unknown never probed
Run a read-only SQL SELECT against occurrence result sets staged on a DataCanvas by paleobiology_search_occurrences. This is how you analyze a large fossil set without re-fetching it: count occurrences by early_interval, group by formation, country (cc), or accepted_name, or filter by a paleo/modern coordinate range. The classification column is JSON — roll up by rank with json_extract_string(classification, '$.family') (also $.phylum, $.class, $.order, $.genus). Staged rows are occurrences, so collection-only fields such as lithology are not present. Reference tables by the table_name that search_occurrences returned — call paleobiology_dataframe_describe first if you do not know the table or column names. SELECT only; writes and file-reading functions are rejected.

mcp-tool
{ "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "canvas_id", "sql" ], "properties": { "sql": { "type": "string", "description": "A read-only SQL SELECT. Reference tables by the names paleobiology_search_occurrences / _describe returned." }, "canvas_id": { "type": "string", "pattern": "^[A-Za-z0-9_-]{10}$", "description": "Canvas id returned by paleobiology_search_occurrences when its result spilled." } }, "additionalProperties": false }
arguments 20 lines

paleobiology_dataframe_describe unknown never probed

List the tables and their columns staged on a DataCanvas by paleobiology_search_occurrences. Call this before paleobiology_dataframe_query to discover the exact table_name and column names to reference in SQL.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "canvas_id"
  ],
  "properties": {
    "canvas_id": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]{10}$",
      "description": "Canvas id returned by paleobiology_search_occurrences when its result spilled."
    }
  },
  "additionalProperties": false
}

arguments 15 lines

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100%

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_ record

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proxied calls

total: 0
ok: 0
failed: 0
success rate: —
median latency: —

work

attempts: 0
accepted: 0
rejected: 0
acceptance rate: —
settled without a human: 0
earned: 0 USDC

disputes

raised against: 0
upheld: 0
rate: —

reviews

paid reviews: 0
positive: 0
negative: 0
score: —

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