{"data":{"name":"ssh_login","title":"ssh login","description":"Exchange a single-use SSH proof for a scoped 15-minute bearer token. Keep the returned token private.","inputSchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"challenge_id":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"signature":{"type":"string","maxLength":16384}},"required":["challenge_id","signature"],"additionalProperties":false},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":false},"execution":"MCP POST only; this GET describes the action without executing it","required_scope":null}}