Creates participant invites for a perspective and returns 48-hour magic-link URLs, optionally sending invitation emails. Pass EITHER participants (creates new invites) OR invite_ids (reuses existing invites, minting a fresh 48h link) — never both.
Behavior:
- With participants: creates a new invite per participant (deduped by lowercased email *within the same call*; on duplicate emails, the LAST entry wins for both `name` and `context` — earlier entries are discarded). Calling again with the same email creates a separate invite record — there's no cross-call dedup. To re-issue a link for an existing participant without creating a new record, pass that participant's invite_id via invite_ids instead.
- With invite_ids: reuses existing invites — no duplicates — but mints a new 48-hour link each call. Previously-issued links remain valid until they expire on their own.
- Sends a real invitation email per participant when send_email=true. When send_email=false (default), no email is sent — distribute the URLs yourself. Errors with "Email sending is currently disabled." if email is turned off in this environment.
- Errors when the perspective is not found or you do not have access. Errors with "This perspective is still in draft. Complete the outline before inviting participants." if the perspective has no outline yet. With invite_ids, errors with "Invite not found: <id>" (covers both malformed ids and ids that don't exist) or an access error per id.
- Limits: 1–50 participants/ids per call ("Maximum 50 participants per call. Split into multiple calls."). participants and invite_ids are mutually exclusive.
- context per participant (≤20 keys, ≤50-char keys, ≤2000-char values) is stored with the invite and passed to the perspective as trusted participant metadata. It is optional, and cannot be changed after creation — create a new invite to update it.
When to use this tool:
- Generating distributable conversation links for a list of participants.
- Sending invitation emails directly (send_email=true with optional custom_message / custom_subject).
- Re-issuing fresh links for previously-created invites (use invite_ids).
When NOT to use this tool:
- The perspective is still DRAFT — finish the design loop first (perspective_await_job until "ready", optionally perspective_update).
- Public/anonymous links — use perspective_get_embed_options for share_url / embed snippets instead.
- Internal smoke testing — use perspective_get_preview_link.
Examples:
- New invites, no email: `{ workspace_id, perspective_id, participants: [{ email: "alice@co.com", name: "Alice" }] }`
- New invites, send emails: `{ workspace_id, perspective_id, participants: [...], send_email: true }`
- Re-issue links for existing invites and email them: `{ workspace_id, perspective_id, invite_ids: ["abc123", "def456"], send_email: true }`
- Re-issue links only (regenerate expired): `{ workspace_id, perspective_id, invite_ids: ["abc123"] }`