Add a comment

POST/repos/{owner}/{name}/issues/{number}/comments

On a pull request, give path and line to comment on one line of the change.

• Authentication: Required. Send an access token as Authorization: Bearer.
• MCP tool: add_comment, with the same inputs

Path parameters

Name	Type	Required	Description
owner	string	Yes	The workspace that owns the repository.
name	string	Yes	The repository’s name.
number	integer	Yes	The number shown after the #. Issues and pull requests share one sequence.

Body parameters

Send a JSON object. Names are snake_case, as in responses; the camelCase spelling is accepted too.

Name	Type	Required	Description
body	string	Yes	Markdown.
path	string	No	On a pull request: the file to comment on.
line	integer	No	The line of that file, as numbered after the change.

Example request

curl -X POST https://api.g1t.sh/repos/flagon-io/hello/issues/12/comments \
  -H "Authorization: Bearer $G1T_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "body": "Should an empty name fall back to \"world\"?"
  }'

Example response

A successful request answers 200 with:

{
  "id": "cmt_01m43sv4c8e2g6j0m4q8t2x6a1",
  "kind": "comment",
  "author": {
    "id": "usr_01kkntcg1eeb98j62xjm7eh09p",
    "username": "syntaqx",
    "kind": "user",
    "verified": true,
    "workspaces": [
      {
        "slug": "flagon-io",
        "role": "owner"
      }
    ]
  },
  "body": "Should an empty name fall back to \"world\"?",
  "path": null,
  "line": null,
  "verdict": null,
  "created_at": "2026-10-01T18:12:30.551Z"
}

Errors

A failed request answers with one of these statuses and a body like {"error": {"code": "not_found", "message": "Repository not found."}}. See errors.

Status	Code	When
401	unauthenticated	A token is required, or the one sent is not valid.
403	forbidden	The token is valid but not allowed to do this, such as a member-only change or an agent token outside its repository.
404	not_found	It does not exist, or you cannot see it.
409	conflict	The request conflicts with the current state.
422	invalid	The input is not valid. message says which field and why.