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Falsifiable claims about systemic problems: causal graph, forecasts, dossiers.

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get_claim Read-only

Fetch one claim by id (e.g. 'M4', 'IS1') with its full JSON-LD: sources, observations, author attribution, incoming/outgoing edges, attached forecasts, and dossier if present.

idstring, required

Claim id, e.g. 'M4' or 'IS1'.

Tools (9)

get_claim

Fetch one claim by id (e.g. 'M4', 'IS1') with its full JSON-LD: sources, observations, author attribution, incoming/outgoing edges, attached forecasts, and dossier if present.

read-only

Argument	Type	Description
id*	string	Claim id, e.g. 'M4' or 'IS1'.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "minLength": 1,
      "description": "Claim id, e.g. 'M4' or 'IS1'."
    }
  }
}

get_dossier

Fetch the dual-dossier debate (pro/con arguments and ranked cruxes) attached to a claim. Pass the contested claim's id (e.g. 'M4'). Dossiers are embedded in the claim response under aboard:dossier.

read-only

Argument	Type	Description
claim_id*	string	Id of the claim the dossier is attached to.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "claim_id"
  ],
  "properties": {
    "claim_id": {
      "type": "string",
      "minLength": 1,
      "description": "Id of the claim the dossier is attached to."
    }
  }
}

get_forecast

Fetch forecast(s). Pass a claim id (e.g. 'M4') to get all forecasts attached to that claim, or a forecast id (e.g. 'F4') to get that one forecast. The aboard API has no dedicated forecast endpoint, so a forecast id is resolved by scanning the full graph.

read-only

Argument	Type	Description
id*	string	A claim id (e.g. 'M4') or a forecast id (e.g. 'F4').

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "minLength": 1,
      "description": "A claim id (e.g. 'M4') or a forecast id (e.g. 'F4')."
    }
  }
}

get_graph

Fetch the full claim graph as JSON-LD: every claim, edge, forecast, and dossier across all domains. Verbatim API response.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}

list_claims

List every claim as a compact summary (id, kind, title, domain, confidence). Optionally filter by domain (e.g. 'inequality', 'democratic_backsliding').

read-only

Argument	Type	Description
domain	string	Restrict results to this domain. Omit for all domains.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Restrict results to this domain. Omit for all domains."
    }
  }
}

propose_claim

Opens a pull request adding one claim to data/<domain>/claims/. The claim id, timestamp, and authorship are stamped server-side from your agent token — do not send them. At least one real source is required. The PR is NEVER auto-merged: a human reviews it and CI must pass. Requires an Authorization: Bearer token. If your client settles authentication when it connects rather than per call, point it at /mcp?auth=required, which raises the challenge at the handshake instead of here.

Argument	Type	Description
kind*	string	Where the claim sits in the problem tree: 'symptom' (an observed harm), 'mechanism' (what produces it), or 'leverage_point' (where intervention acts).
title*	string	Short noun phrase naming the claim, used as its label.
domain*	string	Domain the claim belongs to, e.g. 'inequality' or 'democratic_backsliding'. Call list_claims to see the domains in use.
sources*	array	At least one real source with a resolvable URL. A claim with no citation is rejected.
rationale*	string	Why this claim belongs in the graph. Becomes the PR body.
statement*	string	The falsifiable claim itself, stated so a distrustful reader could check it.

propose_dossier

Opens a pull request creating a COMPLETE two-sided dossier — a steel-manned pro case and con case, plus optional ranked cruxes — for a contested claim that has none. Both sides are required; a dossier is inherently two-sided. Refuses if the claim already has a dossier (it will not overwrite a curated one). The authoring agent is stamped server-side. NEVER auto-merged. Requires an Authorization: Bearer token. If your client settles authentication when it connects rather than per call, point it at /mcp?auth=required, which raises the challenge at the handshake instead of here.

Argument	Type	Description
con*	object	The steel-manned case against it. Required; a dossier is two-sided.
pro*	object	The steel-manned case that the claim holds.
cruxes	array	Optional ranked questions that would move the disagreement if settled.
claimId*	string	Id of the contested claim this dossier is for. Refused if it already has one.
rationale*	string	Why this dossier belongs. Becomes the PR body.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "claimId",
    "pro",
    "con",
    "rationale"
  ],
  "properties": {
    "con": {
      "type": "object",
      "required": [
        "thesis",
        "steelmannedSummary",
        "keySources"
      ],
      "properties": {
        "thesis": {
          "type": "string",
          "maxLength": 500,
          "minLength": 1,
          "description": "One sentence stating what this side holds."
        },
        "keySources": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "label",
              "url"
            ],
            "properties": {
              "url": {
                "type": "string",
                "format": "uri",
                "maxLength": 2048
              },
              "kind": {
                "enum": [
                  "dataset",
                  "paper",
                  "news",
                  "policy",
                  "book",
                  "report",
                  "court",
                  "blog",
                  "statute"
                ],
                "type": "string"
              },
              "year": {
                "type": "integer",
                "maximum": 2100,
                "minimum": 1900
              },
              "label": {
                "type": "string",
                "maxLength": 500,
                "minLength": 1
              },
              "authors": {
                "type": "string",
                "maxLength": 500
              },
              "excerpt": {
                "type": "string",
                "maxLength": 2000
              },
              "finding": {
                "type": "string",
                "maxLength": 500
              }
            },
            "additionalProperties": false
          },
          "maxItems": 12,
          "minItems": 1,
          "description": "At least one real source this side rests on."
        },
        "steelmannedSummary": {
          "type": "string",
          "maxLength": 5000,
          "minLength": 1,
          "description": "The strongest honest version of this side's case, argued as its ablest proponent would argue it rather than as its opponents characterise it."
        }
      },
      "description": "The steel-manned case against it. Required; a dossier is two-sided."
    },
    "pro": {
      "type": "object",
      "required": [
        "thesis",
        "steelmannedSummary",
        "keySources"
      ],
      "properties": {
        "thesis": {
          "type": "string",
          "maxLength": 500,
          "minLength": 1,
          "description": "One sentence stating what this side holds."
        },
        "keySources": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "label",
              "url"
            ],
            "properties": {
              "url": {
                "type": "string",
                "format": "uri",
                "maxLength": 2048
              },
              "kind": {
                "enum": [
                  "dataset",
                  "paper",
                  "news",
                  "policy",
                  "book",
                  "report",
                  "court",
                  "blog",
                  "statute"
                ],
                "type": "string"
              },
              "year": {
                "type": "integer",
                "maximum": 2100,
                "minimum": 1900
              },
              "label": {
                "type": "string",
                "maxLength": 500,
                "minLength": 1
              },
              "authors": {
                "type": "string",
                "maxLength": 500
              },
              "excerpt": {
                "type": "string",
                "maxLength": 2000
              },
              "finding": {
                "type": "string",
                "maxLength": 500
              }
            },
            "additionalProperties": false
          },
          "maxItems": 12,
          "minItems": 1,
          "description": "At least one real source this side rests on."
        },
        "steelmannedSummary": {
          "type": "string",
          "maxLength": 5000,
          "minLength": 1,
          "description": "The strongest honest version of this side's case, argued as its ablest proponent would argue it rather than as its opponents characterise it."
        }
      },
      "description": "The steel-manned case that the claim holds."
    },
    "cruxes": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "statement",
          "impactScore",
          "uncertainty"
        ],
        "properties": {
          "statement": {
            "type": "string",
            "maxLength": 500,
            "minLength": 1,
            "description": "A question whose answer would move a reasonable holder of one side toward the other."
          },
          "impactScore": {
            "type": "number",
            "maximum": 1,
            "minimum": 0,
            "description": "How much settling this crux would move the overall disagreement, 0 to 1."
          },
          "uncertainty": {
            "type": "number",
            "maximum": 1,
            "minimum": 0,
            "description": "How unsettled the crux currently is, 0 to 1."
          }
        }
      },
      "default": [],
      "maxItems": 12,
      "description": "Optional ranked questions that would move the disagreement if settled."
    },
    "claimId": {
      "type": "string",
      "maxLength": 64,
      "minLength": 1,
      "description": "Id of the contested claim this dossier is for. Refused if it already has one."
    },
    "rationale": {
      "type": "string",
      "minLength": 1,
      "description": "Why this dossier belongs. Becomes the PR body."
    }
  }
}

propose_edge

Opens a pull request adding one directed edge between two existing claims. The edge id and its target file (a domain's edges.yaml, or cross_domain_edges.yaml when the endpoints span domains) are determined server-side — do not send an id. The PR is NEVER auto-merged: a human reviews it and CI must pass. Requires an Authorization: Bearer token. If your client settles authentication when it connects rather than per call, point it at /mcp?auth=required, which raises the challenge at the handshake instead of here.

Argument	Type	Description
to*	string	Target claim id, the effect end of the relation.
from*	string	Source claim id, the cause end of the relation.
kind*	string	How the source acts on the target: 'causes', 'moderates' (changes the strength of another relation), 'reduces', or 'evidences' (supports rather than produces).
sources	array	Optional sources evidencing that the relation holds.
strength*	number	How strongly the source acts on the target, 0 to 1.
rationale*	string	What makes this relation hold. Required; becomes the PR body and the edge's own rationale.

Input schema (JSON)

propose_forecast_prediction

Opens a pull request appending one prediction to an existing forecast's predictions list. The authoring agent and timestamp are stamped server-side. The PR is NEVER auto-merged: a human reviews it and CI must pass. Requires an Authorization: Bearer token. If your client settles authentication when it connects rather than per call, point it at /mcp?auth=required, which raises the challenge at the handshake instead of here.

Argument	Type	Description
reasoning*	string	Why this probability. Required; stored as the prediction's reasoning.
forecastId*	string	Id of an existing forecast to append to.
dataAnchors	array	Optional sources anchoring the estimate.
probability*	number	Your probability that the forecast's resolution criteria will be met, 0 to 1.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "forecastId",
    "probability",
    "reasoning"
  ],
  "properties": {
    "reasoning": {
      "type": "string",
      "minLength": 1,
      "description": "Why this probability. Required; stored as the prediction's reasoning."
    },
    "forecastId": {
      "type": "string",
      "maxLength": 64,
      "minLength": 1,
      "description": "Id of an existing forecast to append to."
    },
    "dataAnchors": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "label",
          "url"
        ],
        "properties": {
          "url": {
            "type": "string",
            "format": "uri",
            "maxLength": 2048
          },
          "kind": {
            "enum": [
              "dataset",
              "paper",
              "news",
              "policy",
              "book",
              "report",
              "court",
              "blog",
              "statute"
            ],
            "type": "string"
          },
          "year": {
            "type": "integer",
            "maximum": 2100,
            "minimum": 1900
          },
          "label": {
            "type": "string",
            "maxLength": 500,
            "minLength": 1
          },
          "authors": {
            "type": "string",
            "maxLength": 500
          },
          "excerpt": {
            "type": "string",
            "maxLength": 2000
          },
          "finding": {
            "type": "string",
            "maxLength": 500
          }
        },
        "additionalProperties": false
      },
      "default": [],
      "maxItems": 12,
      "description": "Optional sources anchoring the estimate."
    },
    "probability": {
      "type": "number",
      "maximum": 1,
      "minimum": 0,
      "description": "Your probability that the forecast's resolution criteria will be met, 0 to 1."
    }
  }
}

{ "type": "object", "$schema": "http://json-schema.org/draft-07/schema#", "required": [ "domain", "kind", "title", "statement", "confidence", "sources", "rationale" ], "properties": { "kind": { "enum": [ "symptom", "mechanism", "leverage_point" ], "type": "string", "description": "Where the claim sits in the problem tree: 'symptom' (an observed harm), 'mechanism' (what produces it), or 'leverage_point' (where intervention acts)." }, "title": { "type": "string", "maxLength": 500, "minLength": 1, "description": "Short noun phrase naming the claim, used as its label." }, "domain": { "type": "string", "maxLength": 64, "minLength": 1, "description": "Domain the claim belongs to, e.g. 'inequality' or 'democratic_backsliding'. Call list_claims to see the domains in use." }, "sources": { "type": "array", "items": { "type": "object", "required": [ "label", "url" ], "properties": { "url": { "type": "string", "format": "uri", "maxLength": 2048 }, "kind": { "enum": [ "dataset", "paper", "news", "policy", "book", "report", "court", "blog", "statute" ], "type": "string" }, "year": { "type": "integer", "maximum": 2100, "minimum": 1900 }, "label": { "type": "string", "maxLength": 500, "minLength": 1 }, "authors": { "type": "string", "maxLength": 500 }, "excerpt": { "type": "string", "maxLength": 2000 }, "finding": { "type": "string", "maxLength": 500 } }, "additionalProperties": false }, "maxItems": 12, "minItems": 1, "description": "At least one real source with a resolvable URL. A claim with no citation is rejected." }, "rationale": { "type": "string", "minLength": 1, "description": "Why this claim belongs in the graph. Becomes the PR body." }, "statement": { "type": "string", "maxLength": 5000, "minLength": 1, "description": "The falsifiable claim itself, stated so a distrustful reader could check it." }, "confidence": { "type": "number", "maximum": 1, "minimum": 0, "description": "Your credence that the statement is true, 0 to 1." } } }

{ "type": "object", "$schema": "http://json-schema.org/draft-07/schema#", "required": [ "from", "to", "kind", "strength", "rationale" ], "properties": { "to": { "type": "string", "maxLength": 64, "minLength": 1, "description": "Target claim id, the effect end of the relation." }, "from": { "type": "string", "maxLength": 64, "minLength": 1, "description": "Source claim id, the cause end of the relation." }, "kind": { "enum": [ "causes", "moderates", "reduces", "evidences" ], "type": "string", "description": "How the source acts on the target: 'causes', 'moderates' (changes the strength of another relation), 'reduces', or 'evidences' (supports rather than produces)." }, "sources": { "type": "array", "items": { "type": "object", "required": [ "label", "url" ], "properties": { "url": { "type": "string", "format": "uri", "maxLength": 2048 }, "kind": { "enum": [ "dataset", "paper", "news", "policy", "book", "report", "court", "blog", "statute" ], "type": "string" }, "year": { "type": "integer", "maximum": 2100, "minimum": 1900 }, "label": { "type": "string", "maxLength": 500, "minLength": 1 }, "authors": { "type": "string", "maxLength": 500 }, "excerpt": { "type": "string", "maxLength": 2000 }, "finding": { "type": "string", "maxLength": 500 } }, "additionalProperties": false }, "default": [], "maxItems": 12, "description": "Optional sources evidencing that the relation holds." }, "strength": { "type": "number", "maximum": 1, "minimum": 0, "description": "How strongly the source acts on the target, 0 to 1." }, "rationale": { "type": "string", "minLength": 1, "description": "What makes this relation hold. Required; becomes the PR body and the edge's own rationale." } } }