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Per-chain, per-token balance of the agent vault. Amounts returned in both cents (USD-normalized via current FX where applicable) and native units.

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Metadata

FieldValue
Nameaccounts.balance
Categoryread
Required scopeaccounts:read
Idempotency key requiredno

​
Annotations

AnnotationValue
TitleAccount Balance
Read-onlyyes
Destructiveno
Idempotentyes
Open-worldno
Requires human approvalno

​
Input schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "vault_id": {
      "type": "string",
      "format": "uuid",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
    },
    "chain": {
      "type": "string",
      "enum": [
        "eth",
        "base",
        "arb",
        "op",
        "polygon",
        "sol"
      ]
    },
    "token": {
      "type": "string",
      "minLength": 1
    }
  },
  "additionalProperties": false
}

​
Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "balances": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "chain": {
            "type": "string",
            "enum": [
              "eth",
              "base",
              "arb",
              "op",
              "polygon",
              "sol"
            ]
          },
          "token": {
            "type": "string"
          },
          "amount_cents": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "native_unit_value": {
            "type": "string"
          },
          "usd_equivalent_cents": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          }
        },
        "required": [
          "chain",
          "token",
          "amount_cents",
          "native_unit_value"
        ],
        "additionalProperties": false
      }
    },
    "fetched_at": {
      "type": "string",
      "format": "date-time",
      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"
    }
  },
  "required": [
    "balances",
    "fetched_at"
  ],
  "additionalProperties": false
}

​
Request examples

curl -X POST https://mcp.glide.co/mcp/read \
  -H "Authorization: Bearer $GLIDE_GRANT_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "accounts.balance",
    "params": {
      "vault_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
      "chain": "base",
      "token": "USDC"
    }
  }'

​
Response examples

Successful response — all chains when no filter applied: 
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "balances": [
      {
        "chain": "base",
        "token": "USDC",
        "amount_cents": 250000,
        "native_unit_value": "2500.000000",
        "usd_equivalent_cents": 250000
      },
      {
        "chain": "sol",
        "token": "USDC",
        "amount_cents": 75000,
        "native_unit_value": "750.000000",
        "usd_equivalent_cents": 75000
      },
      {
        "chain": "eth",
        "token": "ETH",
        "amount_cents": 312480,
        "native_unit_value": "0.125000",
        "usd_equivalent_cents": 312480
      }
    ],
    "fetched_at": "2026-05-04T12:00:00Z"
  }
}
Error — vault ID not in grant audience: 
{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32602,
    "message": "vault_id not in grant audience",
    "data": {
      "reason_id": "vault_not_in_audience"
    }
  }
}
Error — missing or expired grant token: 
{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32001,
    "message": "grant token missing or expired",
    "data": {
      "reason_id": "token_expired"
    }
  }
}

​
Errors

CodeNameCauseRemediation
-32600Invalid requestMalformed JSON-RPC envelopeCheck method, jsonrpc, and id fields
-32602Invalid paramschain is not one of the allowed enum values, or vault_id is not a valid UUIDValidate against schema before call
-32000UnauthenticatedMissing Authorization headerSupply a valid Bearer token
-32001UnauthorizedGrant token expired or revokedRefresh token via agent.grant.refresh
-32002Insufficient scopeGrant missing accounts:read scopeIssue new grant with accounts:read scope
-32603Internal errorServer-side errorRetry with backoff; contact support

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Auth

Caller’s grant must include the accounts:read scope. Grants whose scope set is a superset of the required scope are accepted.