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Agent Arbitration

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io.github.jdhart81/agent-arbitrationv0.2.0

Deterministic, machine-verifiable dispute resolution for A2A escrows.

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https://mcp.viridisconservation.com/arbitration/mcp

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describe_agent

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This tool takes no arguments.

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Tools (8)

Agent Arbitration MCP server | mcptry

file_case

File a dispute over an escrow. Opens the evidence window. Parties must be distinct; amount is in minor currency units (cents).

Argument	Type	Description
claimant*	string
escrow_id*	string
respondent*	string
amount_minor*	integer

Input schema (JSON)

{
  "type": "object",
  "title": "file_caseArguments",
  "required": [
    "escrow_id",
    "claimant",
    "respondent",
    "amount_minor"
  ],
  "properties": {
    "claimant": {
      "type": "string",
      "title": "Claimant"
    },
    "escrow_id": {
      "type": "string",
      "title": "Escrow Id"
    },
    "respondent": {
      "type": "string",
      "title": "Respondent"
    },
    "amount_minor": {
      "type": "integer",
      "title": "Amount Minor"
    }
  }
}

get_case

Fetch the full case record, including any ruling.

Argument	Type	Description
case_id*	string

Input schema (JSON)

{
  "type": "object",
  "title": "get_caseArguments",
  "required": [
    "case_id"
  ],
  "properties": {
    "case_id": {
      "type": "string",
      "title": "Case Id"
    }
  }
}

list_cases

List cases, optionally filtered by state (FILED|EVIDENCE_OPEN|RULED).

Argument	Type	Description
state	any

Input schema (JSON)

{
  "type": "object",
  "title": "list_casesArguments",
  "properties": {
    "state": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "State",
      "default": null
    }
  }
}

rule

Issue the deterministic ruling: allocates 100% of the disputed amount from evidence weights + trust scores, and emits an escrow instruction (release/refund). Exactly-once — re-ruling returns the existing ruling.

Argument	Type	Description
case_id*	string

Input schema (JSON)

{
  "type": "object",
  "title": "ruleArguments",
  "required": [
    "case_id"
  ],
  "properties": {
    "case_id": {
      "type": "string",
      "title": "Case Id"
    }
  }
}

set_trust_scores

Attach trust-oracle reputation scores (party -> [0,1]) as ruling inputs.

Argument	Type	Description
scores*	object
case_id*	string

Input schema (JSON)

{
  "type": "object",
  "title": "set_trust_scoresArguments",
  "required": [
    "case_id",
    "scores"
  ],
  "properties": {
    "scores": {
      "type": "object",
      "title": "Scores",
      "additionalProperties": {
        "type": "number"
      }
    },
    "case_id": {
      "type": "string",
      "title": "Case Id"
    }
  }
}

submit_evidence

Submit evidence while the case is open. kind: delivery_proof (weight 3), log (2), or statement (1). Only the named parties may submit.

Argument	Type	Description
kind*	string
party*	string
case_id*	string
content	string

Input schema (JSON)

{
  "type": "object",
  "title": "submit_evidenceArguments",
  "required": [
    "case_id",
    "party",
    "kind"
  ],
  "properties": {
    "kind": {
      "type": "string",
      "title": "Kind"
    },
    "party": {
      "type": "string",
      "title": "Party"
    },
    "case_id": {
      "type": "string",
      "title": "Case Id"
    },
    "content": {
      "type": "string",
      "title": "Content",
      "default": ""
    }
  }
}

verify_ruling

Recompute the ruling from its cited evidence + trust inputs and check it matches the stored allocation (machine-checkable justice).

Argument	Type	Description
case_id*	string

Input schema (JSON)

{
  "type": "object",
  "title": "verify_rulingArguments",
  "required": [
    "case_id"
  ],
  "properties": {
    "case_id": {
      "type": "string",
      "title": "Case Id"
    }
  }
}