get_sent_messageRead a sent email and its sending status.
| Name | Required | Description | Default |
|---|---|---|---|
| format | No | readable (default) gives the newly written reply text when it can be extracted. full gives the original bodies, quoted history, HTML, headers and base64 attachment bytes. | |
| message_id | Yes |
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Changes observed during successful MCP inspections.
Input schema / properties / format / descriptionPrevious value: -"Defaults to extracted reply text when available. Use full for original bodies, quoted history, HTML, headers or base64 attachment bytes."New value: +"readable (default) gives the newly written reply text when it can be extracted. full gives the original bodies, quoted history, HTML, headers and base64 attachment bytes."Output schema / anyOfPrevious value: -[
- {
- "anyOf": [
- {
- "additionalProperties": false,
- "properties": {
- "attachments": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "filename": {
- "type": "string"
- },
- "id": {
- "type": "string"
- },
- "mime_type": {
- "type": "string"
- },
- "size": {
- "maximum": 9007199254740991,
- "minimum": 0,
- "type": "integer"
- }
- },
- "required": [
- "id",
- "filename",
- "mime_type",
- "size"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "bcc": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "body": {
- "type": [
- "string",
- "null"
- ]
- },
- "body_source": {
- "anyOf": [
- {
- "enum": [
- "reply_text",
- "text",
- "html"
- ],
- "type": "string"
- },
- {
- "type": "null"
- }
- ],
- "description": "reply_text is heuristic extraction, not the original body. Use full format for quoted history, forwards or ambiguous inline answers; complete means untruncated, not original."
- },
- "body_status": {
- "const": "complete",
- "type": "string"
- },
- "cc": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "created_at": {
- "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
- "type": "string"
- },
- "error_code": {
- "type": [
- "string",
- "null"
- ]
- },
- "from": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "html_available": {
- "type": "boolean"
- },
- "id": {
- "type": "string"
- },
- "in_reply_to": {
- "type": [
- "string",
- "null"
- ]
- },
- "inbox_id": {
- "type": "string"
- },
- "labels": {
- "items": {
- "type": "string"
- },
- "type": "array"
- },
- "recipient_count": {
- "maximum": 9007199254740991,
- "minimum": 0,
- "type": "integer"
- },
- "status": {
- "const": "accepted",
- "description": "Accepted by the email provider, not confirmation of delivery.",
- "type": "string"
- },
- "subject": {
- "type": "string"
- },
- "thread_id": {
- "type": [
- "string",
- "null"
- ]
- },
- "to": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "type": "array"
- }
- },
- "required": [
- "id",
- "inbox_id",
- "thread_id",
- "created_at",
- "recipient_count",
- "error_code",
- "in_reply_to",
- "labels",
- "from",
- "to",
- "cc",
- "bcc",
- "subject",
- "body",
- "body_source",
- "body_status",
- "html_available",
- "attachments",
- "status"
- ],
- "type": "object"
- },
- {
- "additionalProperties": false,
- "properties": {
- "attachments": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "filename": {
- "type": "string"
- },
- "id": {
- "type": "string"
- },
- "mime_type": {
- "type": "string"
- },
- "size": {
- "maximum": 9007199254740991,
- "minimum": 0,
- "type": "integer"
- }
- },
- "required": [
- "id",
- "filename",
- "mime_type",
- "size"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "bcc": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "body": {
- "type": [
- "string",
- "null"
- ]
- },
- "body_source": {
- "anyOf": [
- {
- "enum": [
- "reply_text",
- "text",
- "html"
- ],
- "type": "string"
- },
- {
- "type": "null"
- }
- ],
- "description": "reply_text is heuristic extraction, not the original body. Use full format for quoted history, forwards or ambiguous inline answers; complete means untruncated, not original."
- },
- "body_status": {
- "const": "complete",
- "type": "string"
- },
- "cc": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "created_at": {
- "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
- "type": "string"
- },
- "error_code": {
- "type": [
- "string",
- "null"
- ]
- },
- "from": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "guidance": {
- "type": "string"
- },
- "html_available": {
- "type": "boolean"
- },
- "id": {
- "type": "string"
- },
- "in_reply_to": {
- "type": [
- "string",
- "null"
- ]
- },
- "inbox_id": {
- "type": "string"
- },
- "labels": {
- "items": {
- "type": "string"
- },
- "type": "array"
- },
- "recipient_count": {
- "maximum": 9007199254740991,
- "minimum": 0,
- "type": "integer"
- },
- "status": {
- "enum": [
- "rejected",
- "unknown"
- ],
- "type": "string"
- },
- "subject": {
- "type": "string"
- },
- "thread_id": {
- "type": [
- "string",
- "null"
- ]
- },
- "to": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- },
- "type": "array"
- }
- },
- "required": [
- "id",
- "inbox_id",
- "thread_id",
- "created_at",
- "recipient_count",
- "error_code",
- "in_reply_to",
- "labels",
- "from",
- "to",
- "cc",
- "bcc",
- "subject",
- "body",
- "body_source",
- "body_status",
- "html_available",
- "attachments",
- "status",
- "guidance"
- ],
- "type": "object"
- }
- ]
- },
- {
- "anyOf": [
- {
- "additionalProperties": false,
- "properties": {
- "created_at": {
- "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
- "type": "string"
- },
- "error_code": {
- "type": [
- "string",
- "null"
- ]
- },
- "id": {
- "type": "string"
- },
- "in_reply_to": {
- "type": [
- "string",
- "null"
- ]
- },
- "inbox_id": {
- "type": "string"
- },
- "labels": {
- "items": {
- "type": "string"
- },
- "type": "array"
- },
- "provider_message_id": {
- "type": [
- "string",
- "null"
- ]
- },
- "recipient_count": {
- "maximum": 9007199254740991,
- "minimum": 0,
- "type": "integer"
- },
- "reply_text": {
- "type": [
- "string",
- "null"
- ]
- },
- "status": {
- "const": "accepted",
- "description": "Accepted by the email provider, not confirmation of delivery.",
- "type": "string"
- },
- "submission": {
- "additionalProperties": false,
- "properties": {
- "attachments": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "content": {
- "type": "string"
- },
- "contentId": {
- "type": "string"
- },
- "disposition": {
- "enum": [
- "attachment",
- "inline"
- ],
- "type": "string"
- },
- "filename": {
- "type": "string"
- },
- "type": {
- "type": "string"
- }
- },
- "required": [
- "filename",
- "type",
- "content",
- "disposition"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "bcc": {
- "items": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "type": "array"
- },
- "cc": {
- "items": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "type": "array"
- },
- "from": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "headers": {
- "additionalProperties": false,
- "properties": {
- "In-Reply-To": {
- "type": "string"
- },
- "References": {
- "type": "string"
- }
- },
- "required": [
- "In-Reply-To",
- "References"
- ],
- "type": "object"
- },
- "html": {
- "type": "string"
- },
- "subject": {
- "type": "string"
- },
- "text": {
- "type": "string"
- },
- "to": {
- "items": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "type": "array"
- }
- },
- "required": [
- "from",
- "to",
- "cc",
- "bcc",
- "subject",
- "text",
- "attachments"
- ],
- "type": "object"
- },
- "thread_id": {
- "type": [
- "string",
- "null"
- ]
- }
- },
- "required": [
- "id",
- "inbox_id",
- "thread_id",
- "created_at",
- "recipient_count",
- "error_code",
- "in_reply_to",
- "labels",
- "reply_text",
- "provider_message_id",
- "submission",
- "status"
- ],
- "type": "object"
- },
- {
- "additionalProperties": false,
- "properties": {
- "created_at": {
- "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
- "type": "string"
- },
- "error_code": {
- "type": [
- "string",
- "null"
- ]
- },
- "guidance": {
- "type": "string"
- },
- "id": {
- "type": "string"
- },
- "in_reply_to": {
- "type": [
- "string",
- "null"
- ]
- },
- "inbox_id": {
- "type": "string"
- },
- "labels": {
- "items": {
- "type": "string"
- },
- "type": "array"
- },
- "provider_message_id": {
- "type": [
- "string",
- "null"
- ]
- },
- "recipient_count": {
- "maximum": 9007199254740991,
- "minimum": 0,
- "type": "integer"
- },
- "reply_text": {
- "type": [
- "string",
- "null"
- ]
- },
- "status": {
- "enum": [
- "rejected",
- "unknown"
- ],
- "type": "string"
- },
- "submission": {
- "additionalProperties": false,
- "properties": {
- "attachments": {
- "items": {
- "additionalProperties": false,
- "properties": {
- "content": {
- "type": "string"
- },
- "contentId": {
- "type": "string"
- },
- "disposition": {
- "enum": [
- "attachment",
- "inline"
- ],
- "type": "string"
- },
- "filename": {
- "type": "string"
- },
- "type": {
- "type": "string"
- }
- },
- "required": [
- "filename",
- "type",
- "content",
- "disposition"
- ],
- "type": "object"
- },
- "type": "array"
- },
- "bcc": {
- "items": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "type": "array"
- },
- "cc": {
- "items": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "type": "array"
- },
- "from": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "headers": {
- "additionalProperties": false,
- "properties": {
- "In-Reply-To": {
- "type": "string"
- },
- "References": {
- "type": "string"
- }
- },
- "required": [
- "In-Reply-To",
- "References"
- ],
- "type": "object"
- },
- "html": {
- "type": "string"
- },
- "subject": {
- "type": "string"
- },
- "text": {
- "type": "string"
- },
- "to": {
- "items": {
- "anyOf": [
- {
- "type": "string"
- },
- {
- "additionalProperties": false,
- "properties": {
- "address": {
- "type": "string"
- },
- "name": {
- "type": "string"
- }
- },
- "required": [
- "address"
- ],
- "type": "object"
- }
- ]
- },
- "type": "array"
- }
- },
- "required": [
- "from",
- "to",
- "cc",
- "bcc",
- "subject",
- "text",
- "attachments"
- ],
- "type": "object"
- },
- "thread_id": {
- "type": [
- "string",
- "null"
- ]
- }
- },
- "required": [
- "id",
- "inbox_id",
- "thread_id",
- "created_at",
- "recipient_count",
- "error_code",
- "in_reply_to",
- "labels",
- "reply_text",
- "provider_message_id",
- "submission",
- "status",
- "guidance"
- ],
- "type": "object"
- }
- ]
- }
-]New value: +[
+ {
+ "anyOf": [
+ {
+ "additionalProperties": false,
+ "properties": {
+ "attachments": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "filename": {
+ "type": "string"
+ },
+ "id": {
+ "type": "string"
+ },
+ "mime_type": {
+ "type": "string"
+ },
+ "size": {
+ "maximum": 9007199254740991,
+ "minimum": 0,
+ "type": "integer"
+ }
+ },
+ "required": [
+ "id",
+ "filename",
+ "mime_type",
+ "size"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "bcc": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "body": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "body_source": {
+ "anyOf": [
+ {
+ "enum": [
+ "reply_text",
+ "text",
+ "html"
+ ],
+ "type": "string"
+ },
+ {
+ "type": "null"
+ }
+ ],
+ "description": "reply_text: only the newly written text, extracted without quoted history; empty when none was found. For forwards, quoted history or answers written inline, read format full. text: the plain-text body. html: text taken from the HTML body."
+ },
+ "body_status": {
+ "const": "complete",
+ "type": "string"
+ },
+ "cc": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "created_at": {
+ "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
+ "type": "string"
+ },
+ "error_code": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "from": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "html_available": {
+ "type": "boolean"
+ },
+ "id": {
+ "type": "string"
+ },
+ "in_reply_to": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "inbox_id": {
+ "type": "string"
+ },
+ "labels": {
+ "items": {
+ "type": "string"
+ },
+ "type": "array"
+ },
+ "recipient_count": {
+ "maximum": 9007199254740991,
+ "minimum": 0,
+ "type": "integer"
+ },
+ "status": {
+ "const": "accepted",
+ "description": "Accepted by the email provider, not confirmation of delivery.",
+ "type": "string"
+ },
+ "subject": {
+ "type": "string"
+ },
+ "thread_id": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "to": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ }
+ },
+ "required": [
+ "id",
+ "inbox_id",
+ "thread_id",
+ "created_at",
+ "recipient_count",
+ "error_code",
+ "in_reply_to",
+ "labels",
+ "from",
+ "to",
+ "cc",
+ "bcc",
+ "subject",
+ "body",
+ "body_source",
+ "body_status",
+ "html_available",
+ "attachments",
+ "status"
+ ],
+ "type": "object"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "attachments": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "filename": {
+ "type": "string"
+ },
+ "id": {
+ "type": "string"
+ },
+ "mime_type": {
+ "type": "string"
+ },
+ "size": {
+ "maximum": 9007199254740991,
+ "minimum": 0,
+ "type": "integer"
+ }
+ },
+ "required": [
+ "id",
+ "filename",
+ "mime_type",
+ "size"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "bcc": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "body": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "body_source": {
+ "anyOf": [
+ {
+ "enum": [
+ "reply_text",
+ "text",
+ "html"
+ ],
+ "type": "string"
+ },
+ {
+ "type": "null"
+ }
+ ],
+ "description": "reply_text: only the newly written text, extracted without quoted history; empty when none was found. For forwards, quoted history or answers written inline, read format full. text: the plain-text body. html: text taken from the HTML body."
+ },
+ "body_status": {
+ "const": "complete",
+ "type": "string"
+ },
+ "cc": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "created_at": {
+ "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
+ "type": "string"
+ },
+ "error_code": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "from": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "guidance": {
+ "type": "string"
+ },
+ "html_available": {
+ "type": "boolean"
+ },
+ "id": {
+ "type": "string"
+ },
+ "in_reply_to": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "inbox_id": {
+ "type": "string"
+ },
+ "labels": {
+ "items": {
+ "type": "string"
+ },
+ "type": "array"
+ },
+ "recipient_count": {
+ "maximum": 9007199254740991,
+ "minimum": 0,
+ "type": "integer"
+ },
+ "status": {
+ "enum": [
+ "rejected",
+ "unknown"
+ ],
+ "type": "string"
+ },
+ "subject": {
+ "type": "string"
+ },
+ "thread_id": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "to": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ }
+ },
+ "required": [
+ "id",
+ "inbox_id",
+ "thread_id",
+ "created_at",
+ "recipient_count",
+ "error_code",
+ "in_reply_to",
+ "labels",
+ "from",
+ "to",
+ "cc",
+ "bcc",
+ "subject",
+ "body",
+ "body_source",
+ "body_status",
+ "html_available",
+ "attachments",
+ "status",
+ "guidance"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ {
+ "anyOf": [
+ {
+ "additionalProperties": false,
+ "properties": {
+ "created_at": {
+ "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
+ "type": "string"
+ },
+ "error_code": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "id": {
+ "type": "string"
+ },
+ "in_reply_to": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "inbox_id": {
+ "type": "string"
+ },
+ "labels": {
+ "items": {
+ "type": "string"
+ },
+ "type": "array"
+ },
+ "provider_message_id": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "recipient_count": {
+ "maximum": 9007199254740991,
+ "minimum": 0,
+ "type": "integer"
+ },
+ "reply_text": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "status": {
+ "const": "accepted",
+ "description": "Accepted by the email provider, not confirmation of delivery.",
+ "type": "string"
+ },
+ "submission": {
+ "additionalProperties": false,
+ "properties": {
+ "attachments": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "content": {
+ "type": "string"
+ },
+ "contentId": {
+ "type": "string"
+ },
+ "disposition": {
+ "enum": [
+ "attachment",
+ "inline"
+ ],
+ "type": "string"
+ },
+ "filename": {
+ "type": "string"
+ },
+ "type": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "filename",
+ "type",
+ "content",
+ "disposition"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "bcc": {
+ "items": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "type": "array"
+ },
+ "cc": {
+ "items": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "type": "array"
+ },
+ "from": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "headers": {
+ "additionalProperties": false,
+ "properties": {
+ "In-Reply-To": {
+ "type": "string"
+ },
+ "References": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "In-Reply-To",
+ "References"
+ ],
+ "type": "object"
+ },
+ "html": {
+ "type": "string"
+ },
+ "subject": {
+ "type": "string"
+ },
+ "text": {
+ "type": "string"
+ },
+ "to": {
+ "items": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "type": "array"
+ }
+ },
+ "required": [
+ "from",
+ "to",
+ "cc",
+ "bcc",
+ "subject",
+ "text",
+ "attachments"
+ ],
+ "type": "object"
+ },
+ "thread_id": {
+ "type": [
+ "string",
+ "null"
+ ]
+ }
+ },
+ "required": [
+ "id",
+ "inbox_id",
+ "thread_id",
+ "created_at",
+ "recipient_count",
+ "error_code",
+ "in_reply_to",
+ "labels",
+ "reply_text",
+ "provider_message_id",
+ "submission",
+ "status"
+ ],
+ "type": "object"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "created_at": {
+ "description": "Absolute ISO 8601 service timestamp in UTC (Z), with millisecond precision.",
+ "type": "string"
+ },
+ "error_code": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "guidance": {
+ "type": "string"
+ },
+ "id": {
+ "type": "string"
+ },
+ "in_reply_to": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "inbox_id": {
+ "type": "string"
+ },
+ "labels": {
+ "items": {
+ "type": "string"
+ },
+ "type": "array"
+ },
+ "provider_message_id": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "recipient_count": {
+ "maximum": 9007199254740991,
+ "minimum": 0,
+ "type": "integer"
+ },
+ "reply_text": {
+ "type": [
+ "string",
+ "null"
+ ]
+ },
+ "status": {
+ "enum": [
+ "rejected",
+ "unknown"
+ ],
+ "type": "string"
+ },
+ "submission": {
+ "additionalProperties": false,
+ "properties": {
+ "attachments": {
+ "items": {
+ "additionalProperties": false,
+ "properties": {
+ "content": {
+ "type": "string"
+ },
+ "contentId": {
+ "type": "string"
+ },
+ "disposition": {
+ "enum": [
+ "attachment",
+ "inline"
+ ],
+ "type": "string"
+ },
+ "filename": {
+ "type": "string"
+ },
+ "type": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "filename",
+ "type",
+ "content",
+ "disposition"
+ ],
+ "type": "object"
+ },
+ "type": "array"
+ },
+ "bcc": {
+ "items": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "type": "array"
+ },
+ "cc": {
+ "items": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "type": "array"
+ },
+ "from": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "headers": {
+ "additionalProperties": false,
+ "properties": {
+ "In-Reply-To": {
+ "type": "string"
+ },
+ "References": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "In-Reply-To",
+ "References"
+ ],
+ "type": "object"
+ },
+ "html": {
+ "type": "string"
+ },
+ "subject": {
+ "type": "string"
+ },
+ "text": {
+ "type": "string"
+ },
+ "to": {
+ "items": {
+ "anyOf": [
+ {
+ "type": "string"
+ },
+ {
+ "additionalProperties": false,
+ "properties": {
+ "address": {
+ "type": "string"
+ },
+ "name": {
+ "type": "string"
+ }
+ },
+ "required": [
+ "address"
+ ],
+ "type": "object"
+ }
+ ]
+ },
+ "type": "array"
+ }
+ },
+ "required": [
+ "from",
+ "to",
+ "cc",
+ "bcc",
+ "subject",
+ "text",
+ "attachments"
+ ],
+ "type": "object"
+ },
+ "thread_id": {
+ "type": [
+ "string",
+ "null"
+ ]
+ }
+ },
+ "required": [
+ "id",
+ "inbox_id",
+ "thread_id",
+ "created_at",
+ "recipient_count",
+ "error_code",
+ "in_reply_to",
+ "labels",
+ "reply_text",
+ "provider_message_id",
+ "submission",
+ "status",
+ "guidance"
+ ],
+ "type": "object"
+ }
+ ]
+ }
+]Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint, idempotentHint, and destructiveHint=false, so the safety profile is fully covered. The description adds only the phrase 'and its sending status', which is a thin restatement of the title rather than meaningful behavioral context (no note on format-dependent output size or attachment handling).
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
A single front-loaded sentence with no wasted words. It is efficient, though the brevity edges toward under-specification for a tool with two distinct output modes.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
An output schema exists, so return values needn't be explained, and annotations cover the safety profile. The remaining gaps are usage context and any hint about the format parameter's effect, leaving the definition minimally viable for a simple read tool.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 50%: the format enum is richly documented in the schema while message_id (a UUID) is self-evident. The description says nothing about either parameter and does not mention that the format choice radically changes the returned content, but the schema largely carries this load.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
States a clear verb (Read) and resource (sent email), plus the extra payload of 'sending status', which distinguishes it from a generic read. It does not explicitly contrast itself with the sibling get_message or read_raw_message, so an agent must infer the sent-vs-received scope.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
There is no when-to-use or when-not-to-use guidance and no alternative tool is named. With siblings like get_message, get_thread, list_sent, and read_raw_message in the set, the description gives the agent nothing to route on.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.